Geologic History of Cape Cod Massachusetts
- Extensive look at the formation of Cape Cod from the Ice Age forward.
- http://pubs.usgs.gov/gip/capecod/index.html

Association for the Preservation of Cape Cod
- Membership organization that promotes policies and programs that foster the preservation of the natural resources of Cape Cod.
- http://www.apcc.org/

Northeast Coastal Areas Study Significant Coastal Habitats: Nantucket Sound Barrier Beach\Bay Complex
- Project map, general habitat description, signifiance and uniqueness of area, environmental threats and conservation considerations, from the EPA's National Estuary Program.
- http://training.fws.gov/library/pubs5/necas/web_link/36_nantucket%20sound.htm

Waquoit Bay National Estuarine Research Reserve
- 2,500 acres of open waters, barrier beaches, marshlands and uplands that provide protection to habitat and serves as a natural laboratory for research of natural estuarine and watersheds.
- http://www.waquoitbayreserve.org/

Pleasant Bay Resource Management Alliance
- Cooperative management program between the towns of Orleans, Chatham and Harwich to sustain the Bay's natural resources.
- http://www.pleasantbay.org/

Cape Cod Commercial Hook Fishermen's Association Homepage
- Membership organization which seeks to conserve marine resources through sustainable fishing. History of the organization plus information on fisheries management, programs, events and resources.
- http://www.ccchfa.org/