- Aldrich-Marshall Woods
- Almy Pond Conservation Area
- Annawamscutt Brook
- Arcadia Management Area
- Audobon Society
- Audubon Nature Reserve
- Aust Family Preserve at Lime Rock
- Beaudoin Conservation Area
- Beaver River
- Black Hut State Management Area
- Blackall Family and Ballou Farm Preserve
- Blackstone River
- Bleachery Pond State Land
- Bleachery Woods
- Block Island National Wildlife Refuge
- Boiling Spring
- Booth Pond
- Boyden Heights Conservation Area
- Brownell Plot
- Buck Hill Management Area
- Buck Hill Scout Reservation
- Bush Hill
- Calf's Tongue
- Catamint Brook Preserve
- Chase Farm Park
- Claire D. McIntosh Wildlife Refuge
- Cocumcussoc Park
- Crawley Preserve
- Cumberland Monastery
- Currier Sanctuary
- Cuttyhunk Brook Preserve
- Dead Swamp
- DelVecchio Farm
- Diamond Hill Park
- Diamond Hill Reservation
- Donavan Marsh
- Doug Rayner Wildlife Refuge
- Dutch Island
- Eight Rod Farm
- Eleanor Tremblay Preserve
- Emilie Ruecker Wildlife Refuge
- Fisherville Brook Preserve
- Fisherville Brook Wildlife Refuge
- Fogland Beach Conservation Area
- Fogland Marsh Preserve
- Fort Barton/Sin And Flesh Brook Natural Area
- Fort Nature Refuge
- Francesca Street
- Galilee Bird Sanctuary
- Gateway Park
- Geddes Bowen Preserve
- George B. Parker Woodland Wildlife Refuge
- George Washington Picnic Grove
- Gilbert Marsh
- Gooding Avenue
- Grass Pond Management Area
- Grass Pond Preserve
- Haile Farm Preserve
- Heritage Woods
- High Hill Point
- High Rock Preserve
- Highland Woods
- Hodge Preserve
- How Davey Preserve (The Nature Conservancy)
- Hunt River Glen
- J.L. Curran State Park
- Janice L. Sullivan Conservation Area
- Johannis Farm
- John C. Whitehead Preserve
- John L. Curran State Park
- Ken Weber Conservation Area
- Kenyon Crossroads
- Kimball Refuge
- Lincoln Woods State Park
- Lion's Head
- Lonsdale Park
- Marion Eppley Wildlife Sanctuary
- Marsh Meadows Wildlife Preserve
- Maxwell Mays Wildlife Refuge
- Mercy Woods Preserve
- Merrill S. Whipple Conservation Area
- Moriarty
- Moshassuck River Preserve
- Naomi Street
- Narrow River Conservation Easement
- Ninigret National Wildlife Refuge
- Norman Bird Sanctuary
- Northern Green Farm
- Pardon Gray Preserve
- Pocassett Highlands
- Potowomut Conservation Easement
- Potowomut Farm
- Powder Mill Ledges Wildlife Refuge
- Queen River Preserve
- Racquet Road Wildlife Refuge
- Richmond Heritage Trail
- Rodman's Hollow Nature Preserve
- Round Top
- Sachuest Point National Wildlife Refuge
- Sandy Acres Recreation Area
- Sandywoods / Bossom
- Scituate Reservoir Protection Area
- Scott Brook Preserve
- Seapowet Marsh Management Area
- Silver Creek
- South Shore Management Area
- Spring Lake Beach
- Succotash Marsh State Management Area
- Tall Cedars
- Tanyard Reservoir
- Trustom Pond National Wildlife Refuge
- Weetamoo Woods
- Wilbour Woods
- Wolf Hill
- Wolf Hill Forest Preserve
- Wood River Barrens
- Yawgoog Scout Reservation