Martha's Vineyard Shellfish Group - Nonprofit consortium of Shellfish Departments on Martha's Vineyard which strives to preserve and expand the island's traditional shellfisheries. Friends of Sengekontacket - Organization whose mission is to protect and preserve water quality in Sengekontacket Pond. Membership information, activities and educational information are provided. Vineyard Open Land Foundation - Includes mission statement, property profiles, contact list, and funding information. Sheriff's Meadow Foundation - A land trust preserving land in all the islands communities. Includes event information as well as maps and trail guides. Martha's Vineyard Commission - Regional land use planning agency of island. Information and resources on managed growth planning. Tisbury Waterways Inc. - A non-profit organization working to protect the islands waterways. Background on projects, news and gift item sales are included. Northeast Coastal Areas Study Significant Coastal Habitats: Martha's Vineyard Coastal Sandplain and Beach Complex - Project map, general habitat description, significance and uniqueness of area, environmental threats and conservation considerations, from the EPA's National Estuary Program. Marine & Paleobiological Research Institute - Lists current projects, classroom programs, volunteers, publications and source links for ocean engineering, biomedical research and marine biology.