Save Our Sound

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.


Nantucket Sound faces many threats: coastal erosion, diminished water quality, habitat degradation, and industrial development, among others.


The Alliance is seeking federal legislation to permanently protect and preserve Nantucket Sound as well as safeguard traditional uses like fishing and recreation.


The goal of the Alliance to Protect Nantucket Sound’s education program is to spread awareness of the importance of Nantucket Sound, its unique environmental, historic and economic values, and the need to protect it for future generations.

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.

Map of Nantucket Sound showing Federal and State waters

With Your Help,
We’re Making Great Strides.



Petition Signatures



Stakeholder Organizations




What’s New

Alliance seeks federal Landmark status for Nantucket Sound

National Congress of American Indians supports protection of Nantucket Sound

On October 21st, 2021, the National Congress of American Indians (NCAI) voted unanimously to adopt a resolution in support of legislative and administrative efforts by the United States to permanently protect Nantucket Sound as a sacred site.

Tribal press release on NCAI support of protection of Nantucket Sound

In a press release on November 3rd, 2021, the Mashpee Wampanoag Tribe and the Wampanoag Tribe of Gayhead (Aquinnah), announced that the National Congress of American Indians (NCAI) has endorsed permanent protection of Nantucket as a sacred site. NCAI members voted unanimously in support of the resolution, joining a large coalition of stakeholder organizations in favor of designating Nantucket Sound as a National Historic Landmark.

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