Nantucket Sound Won’t Stay a National Treasure Without Your Support
The Alliance to Protect Nantucket Sound is a non-profit environmental organization dedicated to the permanent preservation of Nantucket Sound by designating it as a National Historic Landmark.
A National Treasure
Nantucket Sound is the body of water between Cape Cod and the islands of Martha’s Vineyard and Nantucket. The Sound includes 750 square miles of federal and state waters that possess significant marine habitat for a diversity of ecologically and economically important species.
With Your Help,
We’re Making Great Strides.
Petition Signatures
Stakeholder Organizations
Supporters
What’s New
Thursday, January 21, 2027
Martha’s Vineyard Lighthouses of Nantucket Sound
6-7pm ET
A. Bowdoin Van Riper (Martha’s Vineyard Museum) tells the story of three lighthouses on Martha’s Vineyard, built between 1801 and 1879 on the Nantucket Sound shore: Cape Poge Light, Edgartown Harbor Light, and East Chop Light. Their stories are threads in the larger story of Martha’s Vineyard . . . and of Nantucket Sound.
Earth Day Webinar!
Thursday, April 22, 2027
Discovering the Cape Cod Seashore
6-7pm ET
Marine biologist, author, and educator (Cape Cod Community College) Gil Newton surveys the marine plants and animals along the Cape shoreline, their ecology, and the diverse habitats in which they are found. Gil’s presentation will cover the local beaches, salt marshes, sand dunes, tide pools, and rocky areas. Participants will learn about local marine life including mollusks, crabs, echinoderms, horseshoe crabs, seaweeds, and other common species.
2025 End-of-Year Newsletter
The generosity of our supporters has been the driving force behind our progress and success in protecting Nantucket Sound. Click below to review our 2025 end-of-year newsletter to see the progress we have made this past year.
MVY Radio’s segment on the Alliance to Protect Nantucket Sound
MVYRADIO Reporter Joe Stickles interviews Audra Parker from the Alliance to Protect Nantucket Sound