- 320 Hunt Club
- 4090 Hunt Club
- 9 Mile Road Property
- A Looking Glass Sanctuary
- A.C. Fischer Nature Preserve
- Aaron J. And Adrienne N. Pieniozek Nature Preserve
- Ackely Lake Public Access
- Adolph and Margaret Gauthier Nature Preserve
- Agnes S. Andreae Nature Preserve
- Al Sabo Land Preserve
- Albert & Virginia Szok Preserve
- Albert C. Keppel Forest Preserve
- Albert E. Kuebler & Daughter Marce Nature Preserve
- Alcona County Recreation Area
- Aldo Leopold Nature Preserve
- Algonac State Park
- Alice W. Moore Woods Nature Sanctuary
- Allan and Virginia McCune Nature Preserve
- Allegan State Game Area
- Allen Lake Public Access
- Almer Township State Game Area
- Alpena Field Office
- Alta Warren Parsons Memorial Nature Sanctuary
- Alton D. McGaw Memorial Plant Preserve
- Amberwood Conservation Area
- Ambrose and Wanda Pozniak Family Nature Preserve
- American Commerce Centre Nature Preserve
- Amigo Hunting Club
- Anchor Bay Woods Preserve
- Anderson Woods Nature Preserve
- Andrew and Mary Aish ke bug Nature Preserve
- Anna Badgley Little Trout Lake Nature Preserve
- Anna Wilcox and Harold Warnes Memorial Nature Sanctuary
- Anne and Cameron Waterman Preserve
- Anthony and Rose Shatter Family Preserve
- Antrim Creek Natural Area
- Arbaugh, Dean, Hansen, Pack & Sharpe Nature Preserve
- Arbor Hills Nature Area
- Arbor Woods Preserve
- Arcadia Beach Natural Area
- Arcadia Dunes: The C.S. Mott Nature Preserve
- Arcadia Marsh Nature Preserve
- Armstrong Lake Public Water Access Site
- Arthur and Mildred Woollam Nature Preserve
- Ashmun Creek Trails
- Ashton Lakes Park
- Ashton Park
- Au Sable State Forest - Gladwin Unit
- Au Sable State Forest - Grayling Unit
- Au Sable State Forest - Roscommon Unit
- Au Train Basin State Wildlife Area
- Audubon Park
- Audubon Woods Preserve
- Augusta Creek State Fish and Wildlife Area
- Augusta Floodplain Nature Preserve
- Averill Reserve
- Avon Nature Study Area
- Azaadiikaa Park
- Bach Hunt Club
- Backus Creek State Game Area
- Bailey - Lagerstrom Nature Preserve
- Bainbridge Park
- Bair Family Nature Preserve
- Baker Island
- Baker Woodlot and Rachana Rajendra Neotropical Migrant Bird Sanctuary
- Baker Woods Preserve
- Bakertown Fen
- Baldwin Hatchery Boating Access Site
- Baldwin River Boating Access Site
- Ball Preserve
- Bankson Lake Bog Nature Sanctuary
- Baraga Old Growth Nature Sanctuary
- Baraga Plains Waterfowl Management Area
- Barb and Joe Traub Family Working Forest Reserve
- Barb's Beach Nature Preserve
- Barbara C. Hoffius Nature Preserve
- Bare Bluff Shoreline Wilderness Preserve
- Barney's Lake Nature Preserve
- Barry State Game Area
- Bartley Nature Preserve
- Barton Nature Area
- Barvicks Sand Dune Nature Sanctuary
- Baseline Lake Land Preserve
- Bass Lake Hunt Club
- Bass River Recreation Area
- Battle Creek Natural Area
- Battle Creek Outdoor Education Center
- Bauer Nature Preserve
- Bauervic Woods Nature Preserve
- Bay de Noc Beagle Club
- Beal Pinetum
- Bear Lake Natural Area
- Bear Lake Public Access
- Bear Saw Creek Preserve
- Beaver Basin Wilderness
- Beaver Dam Nature Sanctuary
- Beaver Islands State Wildlife Research Area
- Beaverton Hunt Club
- Beaverton School Nature Area #1
- Beaverton School Nature Area Number 2
- Beaverton Schools Nature Area
- Beckwith Preserve
- Belanger Creek Preserve
- Belle Isle
- Bellevue Island
- Bend Area Open Space
- Bengel Wildlife Center
- Berkshire Creek Nature Area
- Bernard W. Baker Sanctuary
- Bertha A. Daubendiek Memorial Plant Preserve
- Bertha K. Daubendiek Memorial Plant Preserve
- Bessey Creek Nature Preserve
- Betcher's Plat Preserve
- Bete Grise Preserve
- Bete Grise Wetlands Preserve
- Betsie Dunes Nature Santuary
- Betsie River Public Water Access Site
- Betsie River State Game Area
- Betty and Ralph Campbell Memorial Plant Preserve at Helmer Brook
- Bewabic State Park
- Bicentennial Park Nature Preserve
- Bidwell Preserve
- Bierhagen Hunt Club
- Big Cedar Nature Preserve
- Big Valley Nature Sanctuary
- Bill and Mary Glenna Malpass Nature Preserve
- Birch Creek Nature Sanctuary
- Birch Hills Sportsmans Club
- Birch Point Nature Preserve
- Bird Hills Nature Area
- Bird Island Nature Sanctuary
- Bishop's Bog Preserve
- Black Creek Nature Sanctuary
- Black Forest Hall Nature Preserve
- Black Hole Nature Preserve
- Black Pond Woods Nature Area
- Black River Conservation Association
- Black River Nature Sanctuary
- Black River Preserve
- Black River Ranch
- Blendon Township State Game Area
- Blue Heron Environmental Area
- Blue Ridge Sportsman's Club
- Bluffs Nature Area
- Boardman Valley Nature Preserve
- Bois Blanc Island Nature Sanctuary
- Bois LeDuc Preserve
- Bonehead Hunting Club
- Boston Pond Nature Area
- Botsford Natural Area
- Botsford Preserve
- Boulder Park Hughes England Addition Nature Preserve
- Boulder Park Nature Preserve
- Bow in the Clouds Preserve
- Boy Scout Camp
- Boyce Woods Nature Preserve
- Boyd B. Banwell Nature Preserve
- Boyle Lake State Wildlife Area
- Bradford Dickinson White Nature Preserve
- Brandt Woods
- Brandywine Creek Nature Park
- Brauer Preserve
- Braun Nature Area
- Breen Township School Forest
- Brewer Woods Nature Sanctuary
- Brian Dyk Nature Preserve
- Brian Leonard Granger Nature Preserve
- Bridge Street Nature Preserve
- Briley Township Recreation Area
- Brimley State Park
- Brinkman Bog Nature Sanctuary
- Brockway 80 Preserve
- Brockway Mountain Drive Sanctuary
- Brokaw Nature Area
- Brooks Nature Area
- Brower Lake Nature Preserve
- Brown Bridge Quiet Area
- Brown Sanctuary
- Bryan Wildlife Nature Preserve
- Bubbling Springs Nature Preserve
- Buck Creek Nature Preserve
- Buck Falls Ranch
- Buck Hills Hunting Club
- Buckeye Hunting Club
- Bullard Lake Fen Plant Preserve
- Bullard Lake Nature Preserve
- Bullhead Lake Natural Area
- Bundy Hill Preserve
- Bunker Nature Preserve
- Burns Prairie Preserve
- Burns Property
- Burns-Stokes Preserve
- Burr Oak Landing East Open Space Area
- Burr Oak Landing West Open Space Area
- Burt Township School Forest
- Butternut Creek Nature Sanctuary
- Buttonbush Nature Area
- C Beach Day & Family Nature Preserve
- Cain's Creek Swamp Nature Preserve
- Call Club
- Camp Monroe
- Camp Wha-Who Hunting Club
- Cannonsburg State Game Area
- Capital City Bird Sanctuary
- Carl A. Gerstacker Nature Preserve
- Carl Creek Wetlands Preserve
- Carl E. McAlvay Memorial Plant Preserve
- Carlton Lake Wetlands Nature Sanctuary
- Caroline and Willis Brown Nature Preserve
- Carolyn and Rifka Sharon Hultmark Memorial Plant Preserve
- Carpenter Lake Nature Preserve
- Carter Lake Preserve
- Carter Strong Nature Sanctuary
- Cass City State Game Area
- Castle Keep
- Castle Park Nature Reserve
- Cedar Lake Boating Access Site
- Cedar River Natural Area
- Cedar River Nature Sanctuary
- Cedar River Preserve
- Cedar Run Creek Natural Area
- Cedar Swamp Hunt Club
- Cedar Valley Preserve
- Cedarville Bay Nature Preserve
- Centennial Farm Open Space
- Central Meridian Uplands Preserve
- Central Michigan University Biological Station
- Chaboiganing Nature Preserve
- Charity Island
- Charles A. Ransom Nature Preserve
- Charles and Alice LaHaie Nature Preserve
- Charles E. Zeerip Memorial Plant Preserve
- Charles M Taylor III Nature Preserve
- Charles S. Winston, Jr. Nature Preserve
- Charlevoix 1 Working Forest Reserve
- Charlevoix 2 Working Forest Reserve
- Charlotte State Game Area
- Chelsea State Game Area
- Cherry B.
- Cherry Hill Nature Preserve
- Cherry Lane Natural Area
- Chesterfield Nature Preserve
- Chesterfield Township State Game Area
- Chickaming Open Lands
- Childress Green Space Property
- Chipman Preserve
- Chippewa 1 Working Forest Reserve
- Chippewa 2 Working Forest Reserve
- Chippewa 3 Working Forest Reserve
- Chippewa 4 Working Forest Reserve
- Chippewa 5 Working Forest Reserve
- Chippewa Nature Center
- Chippewa Run Natural Area
- Chocolay Bayou Nature Preserve
- Chris Thompson Memorial Preserve
- Church Family Preserve
- City Park
- Clarence F. Hobert Memorial Nature Sanctuary
- Clark and Avis Spike Preserve
- Clark Lake State Game Area
- Clark Nature Preserve
- Clarke Family Nature Preserve
- Claus Camp Club
- Clay Cliffs Natural Area
- Clay Cliffs Nature Area
- Clear Creek Green Space Property
- Clear Lake State Park
- Clear Springs Nature Preserve
- Clements Nature Preserve
- Cliff Lake Club
- Cloverport Green Space Property
- Clyde and Martha Williams Nature Preserve
- Colby Plant Preserve
- Coldwater Springs Nature Area
- Columbia Nature Sanctuary
- Columbia Township State Game Area
- Columbus County Park
- Conglomerate Falls Natural Area
- Conn's Cove Nature Preserve
- Conn's Cove West Nature Preserve
- Conservancy Farm (SMLC)
- Consuelo Diane & Charles L. Wilson Jr. Working Forest Reserve
- Consumers Power Prairie
- Cook Island Nature Preserve
- Coon Hollow Preserve
- Cooper Woodland Presesrve
- Copper Country State Forest - Crystal Falls Unit
- Copper Country State Forest- Baraga Unit
- Corey Lake North Bay Preserve
- Cornish State Game Area
- Cosner & Bennett-Barnes Nature Preserve
- Covert Nature Preserve
- Coy Mountain Natural Area
- Crane Pond State Game Area
- Cranmer Nature Preserve
- Creekshead Preserve
- Critter Haven
- Crockery Creek Natural Area
- Crooked Island
- Crosswinds Marsh Preserve
- Crow Island State Game Area
- Curtis and Margaret Anderson Nature Preserve
- Cusino State Wildlife Research Area
- Cy Clark Memorial Nature Sanctuary
- Dahlem Environmental Education Center
- Dalton Equestrian Park
- Danklefsen Acres
- Dansville State Game Area
- Danton Family Nature Preserve
- Dauner Martin Nature Sanctuary
- David H. Irish Nature Preserve
- Davis Bog Sanctuary
- Davis/Foster Preserve
- Davisburg State Game Area
- Dayton Wet Prairie Preserve
- Dayton-Willard Preserve
- Dead End Woods Preserve
- Dean Webster Memorial Plant Preserve
- Debelak Reserve
- Deepwater Point Natural Area
- Deer Lake Preserve
- Deerfield Township Park
- Deford State Game Area
- Delta County Forest
- Denmar Park Nature Preserve
- DePersia South Highlands Nature Preserve
- Detour Peninsula Nature Preserve
- Detroit Renegades Motorcycle Club
- Detroit River International Wildlife Refuge
- DeVine Preserve
- DeYoung Natural Area
- Dhu Varren Woods Nature Area
- Diane and Richard DeNardis Family Nature Preserve
- Dicken Woods Nature Area
- Dinosaur Hill Nature Preserve
- DNR Onaway Field Office
- Dodge City Hunt Club
- Dolan Nature Sanctuary
- Dollar Lake Hunt Club
- Dominican Meadows Preserve
- Donald E. Hart Plant Preserve
- Donnelly & Kusel Families Nature Preserve
- Donnie Doan and Dee Engwis Families Nature Preserve
- Dore Woods Natural Area
- Douglas David Marshall Preserve
- Dowagiac Woods Nature Sanctuary
- Dr. James F. Gerritts Memorial Sanctuary
- Draper-Houston Meadows Preserve
- Dressel Nature Preserve
- Driggers Trail Easement Nature Preserve
- Duck Creek Natural Area
- Duck Lake State Park
- Dumaw Woodland Nature Preserve
- Dunbar Forest Experiment Station Michigan State University
- Duncan Bay Nature Preserve
- Duncan C. Dobson, Jr. Nature Preserve
- Dune Pines Nature Preserve
- Dunes Parkway Preserve
- Dutch Meadows Park
- Duval Preserve
- E. Dale Fisk Hawk Woods Nature Center
- E.L. Johnson Nature Center
- Eagle Harbor Conservation and Recreation Area
- Eagle Harbor Red Pine Dunes Nature Sanctuary
- Earl and Gene Beck Memorial Plant Preserve
- East Creek Reserve
- East Nature Study Trails
- East of the Wildlife Sanctuary
- East Pond Preserve
- Eastern Michigan University Parsons Center for Arts and Sciences
- Eastman Creek Preserve
- Eastmanville Bayou Park
- Eberwhite Woods
- Echo Lake Nature Preserve
- Eddy End Club
- Edger Waterfowl Production Area
- Edmore State Game Area
- Edna S. Newnan Nature Sanctuary
- Edward and Elizabeth Leonard Wildlife Preserve
- Edwards Nature Preserve
- Edwin S. George Reserve
- Elbert Dunes South Natural Area
- Elbert Family Nature Preserve
- Eleanor O'Connor Wilson Woods Preserve
- Eliason Nature Reserve
- Elise M Kummer Nature Preserve
- Elizabeth B. Hoffmann Nature Preserve
- Elizabeth Lake Woods
- Ellen Elliott Weatherbee Nature Preserve
- Ellis Woods Preserve
- Elmer Johnston Nature Preserve
- Elmer P. and Irene Jasper Woods Memorial Nature Sanctuary
- Elmwood Township State Game Area
- Embayment Lakes Nature Preserve
- Emily Min Hunt Preserve
- Emmet 1 Working Forest Reserve
- Emmet 2 Working Forest Reserve
- Emmet 3 Working Forest Reserve
- Emmet 4 Working Forest Reserve
- Emmet 7 Working Forest Reserve
- Enje Nkweshdat Wat Nature Preserve
- Epoufette Bay Plant Preserve
- Erber Nature Preserve
- Erie State Game Area
- Ervin-Stucki Preserve
- Escanaba River State Forest
- Escanaba River State Forest - Escanaba Unit
- Escanaba River State Forest - Gwinn Unit
- Escanaba River State Forest - Gwinn Unit (North)
- Escanaba River State Forest - Gwinn Unit (South)
- Estivant Pines Nature Sanctuary
- Eureka Natural Area
- Eva and Vern Hanel, Jr. Nature Preserve
- Fabius State Game Area
- Fair Glen Commons Private Park
- Fenner Nature Center
- Fernwood Botanical Gardens
- Ferrysburg Nature Preserve
- Fiborn Karst Preserve
- Finazzo Preserve
- Finch Creek Nature Sanctuary
- Finlander Bay Nature Area
- Finton Natural Area
- Fish Lake Bog Nature Sanctuary
- Fish Lake Enviromental Education Center
- Fish Point State Wildlife Area
- Fisher Family Nature Preserve
- Fisher's Run
- Fisherman's Island State Park
- Fisk Nature Preserve
- Five Mile Creek Nature Preserve
- Flat River State Game Area
- Fletcher Creek Nature Preserve
- Flowerfield Creek Nature Sanctuary
- Flowering Dogwood Nature Sanctuary
- Flynn State Game Area
- Flynn Township Nature Center
- Flynn Woods Preserve
- Fochtman Nature Preserve
- Fontanelle Hunt Club
- Ford Eagle Preserve
- Ford Marsh
- Forest Grove Preserve
- Forest Hill Nature Area
- Forests for the Future #1 Reserve
- Forests for the Future #10 Conservation Reserve
- Forests for the Future #11 Conservation Reserve
- Forests for the Future #12 Conservation Reserve
- Forests for the Future #13 Conservation Reserve
- Forests for the Future #14 Conservation Reserve
- Forests for the Future #15 Conservation Reserve
- Forests for the Future #16 Reserve
- Forests for the Future #17 Reserve
- Forests for the Future #18 Conservation Reserve
- Forests for the Future #19 Conservation Reserve
- Forests for the Future #2 Conservation Reserve
- Forests for the Future #20 Conservation Reserve
- Forests for the Future #21 Conservation Reserve
- Forests for the Future #22 Conservation Reserve
- Forests for the Future #3 Conservation Reserve
- Forests for the Future #4 Conservation Reserve
- Forests for the Future #5 Conservation Reserve
- Forests for the Future #6 Reserve
- Forests for the Future #7 Conservation Reserve
- Forests for the Future #8 Conservation Reserve
- Forests for the Future #9 Conservation Reserve
- Forestville Recreation Area
- Forslund Dix Point Nature Preserve
- Foster-Crouse Preserve
- Four Macomb County Ladies Nature Sanctuary
- Four Shots Hunt Club
- Fox Island Nature Preserve
- Fox Science Preserve
- Frances Broehl Memorial No. 1 Nature Sanctuary
- Franklin J. Helle Memorial Nature Preserve
- Fraser Township No. 1 State Game Area
- Fraser Township State Game Area
- Frazier-Freeland Preserve
- Fred Dye Nature Sanctuary
- Fred McLinden Nature Trails
- Fred Meijer White Pine Trail State Park
- Frink's Pond Plant Preserve
- Frog Hollow Preserve
- Fruithaven Nature Preserve
- Fuller Woods State Game Area
- G L & R Hunt Club
- G.C. Nature Preserve
- Gabos Family Nature Preserve
- Gagetown State Game Area
- Galbraith Plant Preserve
- Gale Road Grand River State Game Area
- Galien River County Park
- Gamber-Brisky Preserve
- Garfield Road Conservation Area
- Gatewood Park
- Gaylord Fishing Club
- Geerlings Farm Park
- George & Ada Reffitt Nature Preserve
- George & Marion Light Nature Preserve
- George and Althea Petritz Nature Preserve
- George P. Tilma Nature Preserve
- Gertrude McPharlin Bauer Nature Sanctuary
- Giauque Nature Preserve
- Gibraltar Bay Nature Area
- Gibraltar Wetlands
- Gingell Nature Area
- Gladwin County Recreation Area
- Gladwin School Nature Area
- Gladwin State Game Area
- Glassman Park
- Glen Lake Ridgeline
- Glenn Allen Island Preserve
- Gogebic County Forest
- Gogebic Lake State Park
- Gold Manor Park
- Golden Gate Ranch
- Golden Preserve
- Golden-Days Loon Nature Sanctuary
- Golfview Nature Preserve
- Goodhart Farms Nature Preserve
- Goose Creek Grasslands Nature Sanctuary
- Gosline Preserve
- Gourdneck State Game Area
- Government 80 Conservation Area
- Gow Litzenburger East Nature Preserve
- Gow Litzenburger West Nature Preserve
- Grand Beach Marsh
- Grand Island National Recreation Area
- Grand River County Open Space
- Grand River Fen Preserve
- Grand River Nature Area
- Grand River State Game Area
- Grand Traverse Commons Natural Area
- Grand Traverse Natural Education Reserve
- Grandview Nature Preserve
- Grass Island
- Grass Lake Hunting Club
- Grass River Natural Area
- Gratiot - Saginaw State Game Area
- Gratiot Lake Overlook Nature Sanctuary
- Gratiot Lake Preserve
- Gratiot River County Park
- Grays Drive Open Space
- Green Bay National Wildlife Refuge
- Green Point Dunes Nature Preserve
- Green River Nature Sanctuary
- Greenview Nature Area
- Gregory State Game Area
- Gros Cap Nature Preserve
- Gull Island
- Gull Island Bird Sanctuary
- H.E. Hardy Memorial Nature Sanctuary
- Hagen Preserve
- Haggerty Nature Preserve
- Hall Beach
- Hall's Lake Natural Area
- Halladay-Blackhurst-Chowning Nature Preserve
- Hankin's Glen Nature Preserve
- Hannah Park
- Hansen Nature Area
- Harbert Road Preserve
- Harbert Woods
- Harbor Island National Wildlife Refuge
- Harding Green Space Property
- Harmon Oaks Wood
- Harper Preserve
- Harris-Melvin Family Nature Preserve
- Harrisville State Park
- Harry and Hattie Handford Memorial Nature Sanctuary
- Harry C. Smith Nature Preserve
- Harry Tatigian Park & Nature Preserve
- Hart's Lake Conservation Area
- Hartwick Pines State Park
- Harvey's Rocks Plant Preserve
- Harwood Heritage Preserve
- Hat Island
- Hathaway Family's Regina Caeli Nature Preserve
- Hatlem Creek Preserve
- Hatton Hills Hunt Club
- Haymarsh Lake State Game Area
- Heartwood Forestland
- Heath Road Preserve
- Heffron Preserve
- Helmer's Dam Robert D. VanCampen Nature Preserve
- Helmut & Candis Stern Preserve at Mt. Baldy
- Helstrom Family Nature Preserve
- Henderson Road Nature Center
- Hennepin Marsh Gateway
- Hennepin Marsh Preserve
- Henry & Anna Yeiser Nature Preserve
- Heritage Oaks Nature Preserve
- Heron Springs
- Heronwood Field Station
- Hiawatha Forest Open Space
- Hiawatha Sportsman's Club
- Hickory Creek Preserve
- Hickory Forest Natural Area
- Hickory Meadows
- Hickory Nature Area
- Hidden Marsh Sanctuary
- Hidden Pond Preserve
- Hildner-Bearce Nature Preserve
- Hill Nature Preserve
- Hillsdale Natural Area
- Hillsdale Wildlife Sanctuary
- Hilltop Nature Area
- Historic Mill Creek State Park
- Hobbins-Meyer Nature Preserve
- Hockaday Hunt Club
- Hofma Park
- Hofma Preserve
- Holiday Woodlands Preserve
- Holliday Nature Preserve
- Holly State Recreation Area
- Holt-Eifert Road Property
- Holt-Rice Creek Property
- Hoogland Family Nature Preserve
- Hoot Owl Hunt Club
- Hopewell Indian Mounds Park
- Horner Nature Preserve
- Horseshoe Lake State Game Area
- Horsetail Woods
- Horton Creek Nature Preserve
- Horton Creek Wetlands Nature Preserve
- Houdek Dunes Natural Area
- Houghton Douglass Falls Scenic Site
- Houghton Lake Flats Flooding State Wildlife Management Area
- Houghton Lake Wildlife Research Area
- Howard and Mary Dunn Edwards Nature Sanctuary
- Howard Christensen Nature Center
- Hubbard Lake Nature Preserve
- Hubbel Preserve
- Hudsonville Nature Center
- Hulbert Wildlife Sanctuary
- Hultmark Preserve
- Humbug Marsh
- Hungarian Falls Nature Area
- Hunters Lane Woods
- Hunters Paradise Club
- Huroc Park
- Huron Bay Field Station
- Huron County Nature Center
- Huron Islands Wilderness
- Huron Mountain Club
- Huron National Forest
- Huron National Wildlife Refuge
- Huron Parkway Nature Area
- Huron Parkway Right of Way
- Huron-Manistee National Forest
- Hymas Woods Nature Preserve
- Independent Hunting Club
- Indian Garden Nature Area
- Indian Lake State Park
- Indian Pines Park
- Indian Point Memorial Forest
- Ingham Conservation District
- Inland Waterway Nature Preserve
- Inman Road Property
- Ionia Natural Area
- Ionia State Recreation Area
- Iosco Natural Area
- Iron County Forest Preserve
- Ironsides Hunting Club
- Iroquois Island Nature Preserve
- Island Ave Woods
- Island Number One
- Island Number Two
- Island Park
- Isle Royale National Park
- Isle Royale Wilderness
- Ivan Nordquist Boot Island Nature Preserve
- Ives Road Fen Preserve
- J.W. Wells State Park
- Jack and Tucker Harris Working Forest Reserve
- Jack Mertaugh Addition to the Birge Nature Preserve
- Jack R. Smiley Nature Preserve
- Jacobs Drain
- Jahn, Martin and Reinhardt Family Nature Preserve
- James and Alice Brennan Memorial Nature Sanctuary
- James B. and Ann V. Nicholson Nature Center
- James Donaldson Moore Nature Preserve
- James Dorion Rooks Memorial Nature Sanctuary
- James H. Klipfel Memorial Nature Sanctuary at Brockway Mountain
- James V. Foster Hartley Lake Nature Preserve
- Janice Anshuetz Highland Preserve
- Jeff Lamont Preserve
- Jenney Woods
- Jens Jensen Preserve (COL)
- Jeptha Lake Fen
- Jinny Palms Wildlife Nature Preserve
- Joan Rodman Memorial Preserve
- John & Helen Schachinger Nature Preserve
- John and Barbara Hazelworth Nature Preserve
- John and Julia Pachy Nature Preserve
- John Arthur Woollam Preserve
- John J. Helstrom at Shelldrake River Nature Preserve
- John J. Helstrom Nature Preserve at Mud Lake Bog Nature Preserve
- John J. Helstrom Nature Sanctuary
- John Nature Preserve
- John W. Fischer Memorial Nature Preserve
- Jordan River Sedge Marsh Nature Preserve
- Joseph & Ingeborg Marchio Nature Preserve
- Joseph and Mary Lizzadro Lakeshore Preserve
- Joseph J. Schott Nature Preserve
- Jubb Bayou Open Space
- Judson Pike Marsh Nature Preserve
- Julius C. and Marie Moran Peter Memorial Nature Sanctuary
- Justin's Marsh
- Kal-Haven Trail State Park
- Kalman - Harbor Cove Nature Preserve
- Kalman Nature Preserve
- Karl Chen Memorial Nature Sanctuary
- Kate Palmer Wildlife Sanctuary
- Katherine G. Phelan and Orth Family Nature Preserve
- Kauffman Nature Sanctuary
- Keeler State Game Area
- Kehl Lake Natural Area
- KEKA Preserve
- Kernan Memorial Nature Sanctuary
- Kesling Nature Preserve
- Kewadin Wetlands Nature Sanctuary
- Keweenaw Community Forest
- Keweenaw Heartlands
- Keweenaw National Historical Park, Calumet Unit
- Keweenaw Shores No. 1 Nature Sanctuary
- Kieren Memorial Nature Preserve
- Kindel Natural Area
- Kinglet Nature Preserve
- Kirtlands Warbler Wildlife Management Area
- Kitchel Lindquist Dunes Preserve
- Kjolhede's Kove Preserve
- Knapp Corner Preserve
- Koenn Preserve
- Kohn Family Nature Preserve
- Koon Creek Wildlife Park
- Koren Nature Preserve
- Kosch-Headwaters Preserve
- Koski Shores on Keweenaw Bay
- Koski Woods
- Kreag Family Nature Preserve
- Krumweide Forest Reserve
- Ku Wau Chee Ma Club
- Kuebler Langford Nature Area
- Kuebler Trippe Nature Preserve
- Kuker-Van Til Nature Preserve
- Lake Bailey Wildlife Sanctuary
- Lake Bluff Bird Sanctuary
- Lake George Nature Park
- Lake Glazon Nature Area
- Lake Gogebic East Side Boating Access Site
- Lake Huron Coastal Preserve
- Lake Huron Sand Dunes Nature Sanctuary
- Lake Lansing Marsh
- Lake Lansing North Preserve
- Lake Lansing South Preserve
- Lake Linden-Hubbell School Forest
- Lake Superior Nature Sanctuary
- Lake Superior State Forest - Newberry Unit
- Lake Superior State Forest - Sault Ste. Marie Unit
- Lake Superior State Forest - Shingleton Unit
- Lakeville Swamp Nature Sanctuary
- Lakewood Additions
- Lamb Road Natural Area
- Lamberton Lake Fen Nature Preserve
- Langston State Game Area
- Lapeer State Game Area
- Laughbaum Nature Preserve
- Laughing Whitefish Falls State Park
- Laughing Whitefish Lake Preserve
- Laur Big Salt River Park
- Lawrence A. and Mary Bell Wade Memorial Nature Sanctuary
- Lawrence A. McDonald Wildlife Sanctuary
- LB Acres
- Le Chance Creek Nature Area
- Leach Lake Public Access
- Lee Lake Public Access
- Leelanau State Park
- Leffingwell Forest Preserve
- Lefglen Nature Sanctuary
- LeFurge Woods Nature Preserve
- Legacy Park
- Leonard Preserve
- Leopold Landing.
- Lepard Preserve
- Leslie Nature Preserve
- Leslie Woods Nature Area
- Liberty Pond Nature Area
- Lightfoot Bay Cooperative Coastal Wetlands Nature Area
- Lightfoot Bay Nature Sanctuary
- Lighthouse Island
- Lighthouse West Natural Area
- Lily Creek
- Lime Island State Recreation Area
- Lincoln Hunt Club
- Lincoln Woods Nature Preserve
- Little Charity Island
- Little Garlic Balds Preserve
- Little Lake Sanctuary
- Little Leaf Nature Preserve
- Little Platte Lake Boating Access Site
- Little Sand Bay Nature Preserve
- Livingston Hunt Club
- Lloyd and Mabel Johnson Preserve
- Lockwood Lake Ranch
- Loeb Nature Preserve
- Long Island
- Long Lake Public Access
- Looking Glass Natural Area
- Loon Lake Boating Access Site
- Loon Lake Nature Park
- Loon Nursery
- Lossing-Harrington Nature Preserve
- Lost Lake Conservation Club
- Lost Lake Nature Park
- Lost Wagon Lake Preserve
- Louis G. Senghas Memorial Nature Sanctuary
- Louis J. Sima Great Lakes Marsh
- Lower Woodcock Lake Nature Preserve
- Lucia K. Tower Preserve at Portage Point Dunes
- Lucky Eight Hunt Club
- Ludington State Park
- Lumberlost Farms
- Lux Arbor Reserve
- Lyle and Mary Rizor Nature Sanctuary
- M-15 Fishing Site and Canoe Launch
- M-37 Bridge Boating Access Site
- MacCready Nature Reserve
- MacDonald Nature Preserve
- Mackinac Bay Nature Preserve
- Mackinac Island State Park
- Mackinac State Forest - Atlanta Unit
- Mackinaw State Forest - Gaylord Unit
- Madonna Park
- Maher Sanctuary
- Main Street Property
- Malletts Creek Nature Area
- Manchester Woods
- Mandenberg Woods
- Manistee National Forest - Baldwin Ranger District
- Manistee National Forest - Cadillac Ranger District
- Manistee National Forest - Manistee Ranger District
- Manistee National Forest-White Cloud Unit
- Manistee River State Game Area
- Manistique River State Forest
- Manitou Island Light Station Preserve
- Manitou Park
- Manitou Passage State Underwater Preserve
- Manor Woods
- Maple Bay Park and Natural Area
- Maple Island
- Maple Island Boating Access Site
- Maple River / Gratiot-Saginaw Connector State Game Area
- Maple River Public Access
- Maple River State Game Area
- Maplecrest Preserve
- Marc's Marsh
- Margaret P. Erber Nature Preserve
- Margaret Robinson Deane & Rob Deane Family Nature Preserve
- Margaret Shroyer Sanctuary
- Marguerite Gahagan Nature Preserve
- Mariner's Preserve at Silver River Falls
- Marl Pit Creek Boating Access Site
- Marshall Nature Area
- Marsin Nature Area
- Martha Cavanagh Cameron Nature Preserve
- Martha Curtis Nature Preserve
- Martha Mott Bird Sanctuary
- Martin Bay Nature Sanctuary
- Martin-Beland-Miller Memorial Woods
- Marvin Memorial Nature Preserve
- Marx Nature Preserve
- Mary Macdonald Preserve at Horseshoe Harbor Michigan
- Mary Stallins Ray Memorial Plant Preserve
- Maxton Plains Preserve
- McAllister Road Property
- McCollum Lake Public Water Access Site
- McCormick Wilderness
- McCulley-Bastian Nature Sanctuary
- McDuffee Creek Nature Preserve
- McLain State Park
- McNeel Preserve
- Meadowgate Nature Preserve
- Mebert Creek & Greeno Preserve
- Medenbrook Nature Preserve
- Melodus Preserve
- Melvin Family Hiking and Biking Trails
- Menominee River State Recreation Area - Piers Gorge Unit
- Menonaqua Woods Nature Preserve
- Merganser Point
- Merganser Pond Natural Area
- Meridian Central Wetland Preserve
- Meridian Road Preserve
- Mertaugh Family Nature Preserve
- Metcalf Lake Natural Area
- Methodist Mission Reserve
- Meyer Preserve East
- Meyer Preserve West
- Michael Cameron Dempsey Nature Preserve
- Michigamme Highlands
- Michigan Islands National Wildlife Refuge
- Michigan Islands Wilderness
- Michigan North Woods Club
- Michigan Road Preserve
- Michigan Wildlife Foundation Nature Preserve
- Middleville State Game Area
- Mildred A. Peterson Nature Preserve
- Mildred Harris Sanctuary
- Mill Creek Crossing
- Miller Creek Nature Reserve
- Miller Nature Area
- Miller-Smith Preserve
- Minden City State Game Area
- Minnie Skwarek Nature Preserve
- Misery Bay Nature Preserve
- Misty Acres: The Borwell Preserve
- Mitchell Creek Meadows: The Don & Jerry Oleson Nature Preserve
- Mitchell Creek Nature Sanctuary
- Mnaadendan-Shkaakimiikwe Nature Sanctuary
- Molin Nature Area
- Mooreville Riverbend Preserve
- Morgan Porritt Nature Sanctuary
- Morris Bay Nature Sanctuary
- Morris-de la Vergne & Luettjohann-Garver Nature Preserve
- Mount Morris Hunters Club
- Mt. Minnie Nature Preserve
- Mud Lake Bog
- Muir Woods Nature Preserve
- Mulberry Farm Nature Preserve
- Munuscong Lake Nature Sanctuary
- Munuscong Wildlife Management Area
- Murphy Lake State Game Area
- Muskegon Lake Nature Preserve
- Muskegon State Game Area
- Myers Nature Preserve
- Myron and Isabel Zucker Memorial Nature Sanctuary
- Myron Perlman Nature Preserve
- Mystery Valley Karst Preserve
- Na Wak Wa Club
- Naas, Mauger, Raunecker Nature Preserve
- Nan Weston Preserve at Sharon Hollow
- Narrows Natural Area
- Nathan "Barry" Driggers Memorial Nature Preserve
- Nathan Beem Memorial Nature Preserve
- Nature Preserve
- Nawaka Lake Public Access
- Nayanquing Point State Wildlife Area
- Needle Point Nature Preserve
- Neithercut Woodland
- Newaygo Prarie Sanctuary
- Newcomb Tract
- Newman Equities Preserve
- Newport Creek Nature Area
- Nick Adams Nature Preserve
- Niiwin Ziingaak Nature Preserve
- Nokmes Creek RCR
- Norcross Family Preserve
- Nordhouse Dunes Wilderness
- North Branch of the Boyne River Nature Preserve
- North Dickinson School Forest
- North Point Conservation Area
- North Point Nature Preserve
- North Ridge Preserve
- North Shore Natural Area
- North Skegemog Nature Sanctuary
- Northfield Woods Preserve
- Northland Beagle Club
- Northwest Territory Club
- Nottawaseppi Band of the Huron Potawatomi Reservation
- Nye Nature Preserve
- O’Connor Nature Park
- Oak Braes Nature Preserve
- Oak Flats Club
- Oakwoods Nature Area
- Oden Island Nature Preserve
- Offield Family Viewlands Working Forest Reserve
- Offield Family Working Forest Reserve
- Oliver and Edna Birge Nature Preserve
- Oliver Family Nature Preserve Trail
- Oliver Township State Game Area
- Olstrom Family Nature Preserve
- Omena Woods
- Onsted State Game Area
- Ontonagon Wild And Scenic River
- Optimist Youth Foundation Cabin Property
- Orchard Lake Nature Sanctuary
- Orchis Fen Nature Preserve
- Ortonville State Recreation Area
- Osborne Mill Preserve
- Osceola Missaukee Grasslands State Game Area
- Otis Farm Bird Sanctuary
- Ott Biological Preserve
- Ottawa National Forest - Bergland Ranger District
- Ottawa National Forest - Bessemer Ranger District
- Ottawa National Forest - Iron River Ranger District
- Ottawa National Forest - Kenton Ranger District
- Ottawa National Forest - Ontonagon Ranger District
- Ottawa National Forest - Watersmeet Ranger District
- Otto Nature Preserve
- Owashtanong Islands Sanctuary
- Oyster Bay Nature Preserve
- Paint Creek Heritage Area Fen
- Paint Creek Heritage Area Wet Prairie
- Palastra-Holm Nature Sanctuary
- Palmer Woods
- Palomita Reserve
- Papoose Lake Nature Sanctuary
- Paris Park
- Parker & Ebbers Nature Preserve
- Parkway Woods
- Pat Grogan Shelldrake Nature Sanctuary
- Pat's Preserve
- Paully Nature Preserve
- Paw Paw River Preserve
- Payne Lake Public Access
- Pearl Lake Estates Nature Preserve
- Pearl Lake Natural Area
- Pelizzari Natural Area
- Peltier Beach Ridge Sanctuary
- Pennfield Bog Nature Sanctuary
- Pentwater State Game Area
- Pepperidge Dunes Nature Sanctuary
- Pere Marquette Floodplain Plant Preserve
- Pere Marquette State Forest - Cadillac Unit
- Pere Marquette State Forest - Traverse City Unit
- Pere Marquette State Game Area
- Pete's Woods - Arcadia Dunes: The C.S. Mott Nature Preserve
- Petersen Nature Preserve
- Petite Wetland Plant Preserve
- Petobego Natural Area
- Petobego State Game Area
- Petoskey Antler Club
- Petoskey Hunting Club
- Phila A. Shanahan Nature Preserve
- Philip J. Braun Nature Preserve
- Philip J. Braun South Nature Preserve
- Phyllis Haehnle Memorial Sanctuary
- Pickering Hay Point Nature Preserve
- Picnic Island
- Pictured Rocks National Lakeshore (Federal Unit)
- Pictured Rocks National Lakeshore (Inner Buffer Zone)
- Pierce Cedar Creek Institute
- Pigeon Creek Park
- Pigeon River Country State Forest
- Pigeon River Wildlife Nature Preserve
- Pilgrim Haven Natural Area
- Pilgrim River Community Forest
- Pinconning Township State Game Area
- Pine River Nature Center
- Pioneer Woods Nature Area
- Pittsfield Preserve North
- Pittsfield Preserve: South East
- Pittsfield Stream Corridor
- Po Boy Hunting Club
- Point of View
- Pointe Aux Peaux State Wildlife Area
- Pointe Mouillee State Game Area
- Ponderosa Land Preserve
- Ponshewaing Nature Preserve
- Poppen Woods
- Porcupine Run Nature Preserve
- Port Austin Conservation Club
- Port Huron State Game Area
- Port Sheldon Natural Area
- Portage Creek Hunt Club
- Portage Point State Wildlife Area
- Portage Point Woods Preserve
- Porter Legacy Dunes
- Portland State Game Area
- Portman Nature Preserve
- Postle Farm Preserve
- Potterville State Game Area
- Poupard Bay Nature Preserve
- Power Island Wilderness Park
- Prairie Road Property
- Preserve
- Princess Point Nature Area
- Pritschet/Davis Preserve
- Pyatt Lake: The Bill Carls Nature Preserve
- Quanicassee State Wildlife Area
- Quickstad Park
- Railroad Point Natural Area
- Ralph and Ursula Compton Nature Preserve
- Ransom Lake Natural Area
- Raven Ridge Nature Preserve
- Ray Johnston Nature Preserve
- Raycroft-Meijer North Nature Preserve
- Raycroft-Meijer South Nature Preserve
- Raymond F. Goodrich Preserve
- Red Cedar Natural Area
- Red Cedar Natural Area
- Red Cedar River East Preserve
- Red Cedar River Plant Preserve
- Redbud Nature Area
- Redwyn's Dunes Nature Sanctuary
- Reed Lake Boating Access Site
- Reed's Pigeon River Nature Preserve
- Reeds Alverno Nature Preserve
- Reg and Vivian Sharkey Nature Preserve
- Reichert Preserve
- Remington Club
- Richard A. Padgett Natural Area
- Rifle Lake Public Access
- Rifle River State Recreation Area
- Riley-Shurte Woods Nature Sanctuary
- Riseman Refuge
- River Bend Nature Sanctuary
- River Raisin Preserve
- River Road Boating Access Site
- River Run Preserve
- River Trails Heritage Park
- Riverbank Sanctuary
- Riverbend Preserve
- Rivercrest Green Space Property
- Riverside Park
- Riverwood Nature Area
- Roaring Brook Nature Preserve
- Robbie Gage Memorial Park Site
- Robert Fergus Memorial Nature Preserve
- Robert H. Briggs and Herald W. Cox Memorial Nature Sanctuary
- Robert Powell Memorial Nature Sanctuary
- Robert T. Brown Plant Preserve
- Roberts Family Nature Preserve
- Robinson Forest Open Space
- Robinson Nature Preserve Honoring Gold Star Families Nature Preserve
- Robinson Woods Preserve
- Rockport State Park
- Rocky Point Nature Preserve
- Rogers Family Homestead Nature Preserve
- Rogue River State Game Area
- Ronald H. Warner Sanctuary
- Rose Center Wetlands Plant Preserve
- Rosen Family Nature Preserve
- Ross Coastal Plain Marsh Preserve
- Ross Drayton Nature Preserve
- Rosy Mound Natural Area
- Rotary Park Nature Preserve
- Round Island Point Nature Preserve
- Round Lake Nature Preserve
- Ruby Green Space Property
- Rudolphi Woods
- Rufus Teesdale Nature Preserve
- Rush Lake State Game Area
- Russell and Miriam Grinnell Memorial Nature Sanctuary at Bare Bluff
- Rust Park
- Ruthven Nature Area
- Ryan Nature Preserve
- S N H Hunting Club
- S.A. Bissell Nature Preserve
- Sagaser Nature Preserve
- Saginaw Wetlands Nature Sanctuary
- Saint Clair Flats State Wildlife Area
- Sally and Art Hailand Nature Preserve
- Sally M. Ollila Memorial Woodland
- Sally Stebbins Nature Preserve
- Salt River Marsh State Wildlife Area
- Salt River Nature Reserve
- Sand Creek Prairie Plant Preserve
- Sand Creek Preserve
- Sand Point Nature Preserve
- Sandford Nature Preserve
- Sandusky State Game Area
- Sanford Natural Area
- Sanilac State Game Area
- Santer Nature Preserve
- Sarah A. Martin Nature Preserve
- Sarah and Fred Renker Nature Preserve
- Sarah Catherine Rockafellow Memorial Nature Sanctuary
- Sarah Jane's Nature Sanctuary
- Saranac-Lowell State Game Area
- Sarett Nature Center
- Sassafras Trails Nature Center
- Sauble Township Community Gardens
- Saugatuck Harbor Natural Area
- Saugatuck Wilds Nature Preserve
- Sauk Indian Trail Prairie Plant Preserve
- Scarlett Mitchell Nature Area
- Schachinger North Nature Preserve
- Schafer Family Nature Sanctuary at Roach Point
- Schellenberg Woods
- Schoof's Creek Natural Area
- Schulz Working Forest Reserve
- Schwemwood Park
- Scio Woods Preserve
- Scott Family Nature Preserve
- Search Bay Nature Preserve
- Searles Nature Preserve
- Secrest Preserve
- Seibert Nature Preserve
- Seney National Wildlife Refuge
- Seney National Wildlife Refuge - Whitefish Point Unit
- Seney Wilderness
- Sephar Nature Preserve
- Sequanota Club
- Serafine Addition of Southwest Uplands Preserve
- Seven Ponds Nature Center
- Seven Springs Nature Preserve
- Seymour Bay Nature Preserve
- Sharon E. Johnson Memorial Nature Sanctuary
- Sharon Hills Preserve
- Sharon Mills Preserve
- Sharon Rose Leonatti Memorial Plant Preserve
- Sharon Short Hills Preserve
- Sharon Zahrfeld Memorial Nature Sanctuary
- Sharonville State Game Area
- Sheppard - Hardy Nature Preserve
- Sherman Section 12 Hunt Club
- Shiawassee National Wildlife Refuge
- Shiawassee River Plant Preserve
- Shiawassee River State Game Area
- Shorewood Forrest Preserve
- Shurtleff Nature Preserve
- Sievers Preserve
- Silver Lake State Park
- Silverbrook Acres
- Simpson Road Forest Area
- Sims-Moffat Working Forest Reserve
- Skegemog Lake Wildlife Area
- Skyline Trail Nature Preserve
- Slate River Forest
- Sleeping Bear Dunes National Lakeshore
- Sleeping Bear Dunes Wilderness
- Sleepy Hollow Nature Preserve
- Sleepy Hollow Nature Preserve
- Sloan Preserve
- Slosar Family Addition to the Kieren Memorial Nature Preserve
- Slough Family Nature Preserve
- Smithfield Park
- Soloc Wildlands Pond
- Soo Muskeg Nature Sanctuary
- Soper Natural Area
- Sora Meadows
- South Arm Antrim Creek Natural Area
- South Boardman Preserve
- South Branch Nature Preserve
- South Island Nature Preserve
- South Lake Hunt Club
- South Long Lake Forest Natural Area
- South Pond Nature Area
- South Round Lake Nature Preserve
- South Vandenboom Recreation Area
- Southwest Meridian Uplands Preserve
- Sower Woods Preserve
- Sparta Nature Trail
- Spencer Forest
- Spengler Marsh
- Spirit Springs Sanctuary
- Spooner Gun Club
- Sportsmasters Club
- Spring Creek State Game Area
- Spring Hill School Forest
- Springhill Nature Preserve
- Squaw Creek Hunting Club
- Squiers Preserve
- St. Clair - Six Mile Lake Nature Preserve
- St. Clair Township State Game Area
- St. Clair Woods Nature Sanctuary
- St. John's Marsh State Wildlife Area
- St. Pierre Wetland Nature Reserve
- Staff Wildlife Sanctuary
- Standerson Island
- Stanhope Family Nature Preserve
- Stanton State Game Area
- Stapp Nature Area
- Stearns Preserve
- Steers Island
- Stephen M. Polovich Memorial Plant Preserve
- Sterling Heights Nature Preserve
- Steve Farm Nature Area
- Stevens Twin Sinks and Bruski Sink Karst Preserve
- Stinchfield Woods
- Stites Natural Area
- Stony Creek Nature Preserve
- Stony Point Nature Preserve
- Stout Woods Open Space
- Straits State Park
- Sturgeon Bar
- Sturgeon Bay Nature Preserve
- Sturgeon Point State Park
- Sturgeon River Gorge Wilderness
- Sturgeon River Scenic Park
- Stutsmanville Bog Nature Preserve
- Sugar Island
- Sugar Loaf Mountain Natural Area
- Sugarwood Forest Preserve
- Sumbal Natural Area
- Sunset Brooks Nature Area
- Sunset Park
- Sussan Creek Nature Preserve
- Swains Lake Natural Area
- Swan Creek Plant Preserve
- Swan Creek Preserve
- Swanson Preserve
- Swift Run Marsh
- Sycamore Creek Property
- Sylvania Wilderness
- Tallmadge Woods Nature Preserve
- Tamarack Lake State Game Area
- Tank Wetland Preserve
- Tanton Family Working Forest Reserve
- Tawas Point State Park
- Taylor Horton Creek Nature Preserve
- Teichner Preserve
- Thayer's Corner Nature Area
- The Adaline Kershaw Woods at Kope Kon Nature Sanctuary
- The Fields Preserve
- The Forks Boating Access Site
- The Gorge Nature Sanctuary
- The Meadows Boating Access Site
- The Merritt Family Preserve
- The Wildlife Sanctuary
- The Woods
- Thelma Sonnenberg Memorial Plant Preserve
- Thomas C. Bailey Working Forest Reserve
- Thompson's Harbor State Park
- Thornapple Lake Nature Sanctuary
- Thorne Swift Nature Preserve
- Three Bears Mountain Nature Preserve
- Three Oaks Conservation Area
- Three Rivers State Game Area
- Three Wilderness Islands Nature Sanctuary
- Thunder Bay National Marine Sanctuary
- Thurston Nature Area
- Tienken Road Park
- Tihart Preserve
- Tihart/Cornell Wetland Preserve
- Timberland Swamp Nature Sanctuary
- Timbers Recreation Area
- Timbertrails Conservation Club
- Tom A. Freeman Preserve
- TOMMBA Trails Preserve
- Topinabee Lake Preserve
- Torch Bay Beach
- Torch Lake Nature Preserve
- Torch River Ridge: A Cotanche Family Legacy
- Tory's Woods Preserve
- Towar Woods Preserve
- Tower Hill Preserve
- Towner Wetland Preserve
- Trapp Farm Nature Preserve
- Traver Creek Nature Area
- Trillium Ravine Prairie Plant Preserve
- Trillium Trail Nature Sanctuary
- Trinkle Marsh Preserve
- Tromble Family Nature Preserve
- Trout Family Nature Preserve
- Troy Conservation Area
- Tubbs Nature Area
- Turkey Roost Hunting Club
- Turtle Cove Nature Preserve
- Turtle Creek Preserve
- Turtle Lake Club
- Turtle Pond Nature Preserve
- Turtle Woods Preserve
- Tuttle Marsh National Wildlife Area
- Twin Island
- Two-Hearted River Forest Reserve
- Uh-ni-nah-tig ziibing Nature Preserve
- Unadilla State Wildlife Area
- Undine Nature Preserve
- Unionville-Sebewaing Area FFA Nature Reserve
- University of Michigan Biological Station
- University of Michigan Horner-McLaughlin Woods
- University of Notre Dame Environmental Research Center
- Upper Herring Lake Boating Access Site
- Upper Herring Lake Nature Preserve
- Upper Manistee Headwaters: The Milock Family Preserve
- Upriver Nature Preserve
- Upson Lake Nature Sanctuary
- Valley Woods Nature Preserve
- Van Curler Preserve
- Van Lokeren Family Lakeside Nature Preserve
- Van Riper State Park
- VanBuren Street Dunes Open Space
- Vassar State Game Area
- Verity Shores
- Verlinden Nature Preserve
- Vermilion Point Nature Preserve
- Vernon and Velma Radebaugh Memorial Plant Preserve
- Verona State Game Area
- Vestaburg State Game Area
- Veterans Nature Trail
- Vielmetti-Peters Conservation Reserve
- Village of Leonard Nature Park
- Vivian VanCampen Memorial Nature Preserve
- Voorhees Sanctuary
- Vosper Nature Preserve
- W.C. Wetzel State Recreation Area
- W.K. Kellogg Bird Sanctuary
- W.K. Kellogg Experimental Forest
- Waldeck Island Nature Preserve
- Waldron Fen Nature Preserve
- Walkerville School Forest
- Walter and Elaine Carey Memorial Plant Preserve
- Wanondoger Creek Preserve
- Warren Dunes State Park
- Warren Woods State Park
- Watershed Preserve
- Watkins Lake County Preserve
- Watson Addition #3 (Moellering/Lanzen) Nature Preserve
- Watson Hunt Club
- Watson Nature Preserve
- Wau Ke Na Preserve - South Tract
- Wau-Ke-Na Preserve North Tract
- Waubun Nature Preserve
- Weatherbee Woods Preserve
- Webber Dam Natural Area
- Webster Lake State Game Area
- Wege Foundation Natural Area
- Wegwas Lake Preserve
- Weimer's Lake Nature Preserve
- Weislik Nature Preserve
- Weko Beach Recreational Area
- Wendy O'Neil Memorial Nature Preserve
- West Bloomfield Woods Nature Preserve
- West Douglas Neighborhood Park
- West Lake Preserve
- West Nature Study Trails
- West Scio Preserve
- West Wequetonsing Nature Preserve
- Weting Preserve
- Whaleback Natural Area
- Wheeler Preserve
- White Cedar Swamps Sanctuary
- White Pigeon River
- Whitefish Hunting Club
- Whitmore Lake Preserve
- Wigwam Bay State Wildlife Area
- Wilcox-Palmer-Shah Nature Preserve
- Wild 100
- Wild Fowl Bay State Wildlife Area
- Wilding Plant Preserve
- Wildwood Harbor Preserve
- Wildwood Recreation Club
- William and Stephanie Veling Nature Preserve
- William B. Derby Nature Preserve
- William Gillette Sleeper Lake Sanctuary
- William J. Dickson Nature Preserve
- Winawa Preserve
- Winchester Nature Preserve
- Windridge Nature Preserve
- Windsor Township State Game Area
- Wing Nature Preserve
- Winifred Sponseller Preserve
- Winterberry Woods
- Winterfield Conservation Club
- Wintergreen Woods
- Wintergreen Woods Nature Preserve
- Wixom Habitat
- Wolverine Hunting Club
- Wood Duck Domain Plant Preserve
- Woodland Hills
- Woodland Preserve
- Woodland Ridge Nature Preserve
- Woodlawn Preserve
- Woodring Buckeye Hunt Club
- Woodsong County Park
- Woollam Family Nature Preserve
- Wortley Family Nature Preserve
- Wright Woods
- Yankee Springs Recreation Area
- Yellow Dog Watershed Preserve
- Young-Montgomery Nature Preserve
- Younger Family Preserve
- Yuba Creek Natural Area
- Zemaitis Preserve
- Zetterberg Preserve
- Zuidema Dredge Placement Facility