Coskata-Coatue Wildlife Refuge: Conservation organization provides information on its programs and natural history tours.
Nantucket Beach Foundation, Inc.: Organization dedicated to environmentally restoring, preserving and protecting the island's beaches. Includes ground-based and satellite photos, information about beach erosion and coastal ecology, fishing advice, and organization news.
Nantucket Conservation Foundation: Focused on preserving natural areas and habitats on the island. Find membership information, maps of preserved lands, and background on plants and animals.
Nantucket Land Council, Inc.: Protecting and preserving the islands' natural resources. Information on activities and membership is provided, along with a newsletter.
Nantucket Marine Mammal Stranding Team: A volunteer group dedicated to rescuing stranded marine mammals in Nantucket; affiliated with the New England Aquarium.
Northeast Coastal Areas Study Significant Coastal Habitats: Miacomet Moorlands: Project map, general habitat description, signifiance and uniqueness of area, environmental threats and conservation considerations, from the EPA's National Estuary Program.
Northeast Coastal Areas Study Significant Coastal Habitats: Muskeget and Tuckernuck Islands and Muskeget Channel: Project map, general habitat description, signifiance and uniqueness of area, environmental threats and conservation considerations, from the EPA's National Estuary Program.