The generosity of our supporters has been the driving force behind our progress and success in protecting Nantucket Sound. Click below to review our end-of-year newsletter to see the progress we have made this past year.
Nantucket Sound Won’t Stay a National Treasure Without Your Support
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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.
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What’s New
ACONS Live! Event
In September 2023, the Alliance hosted its first ACONS Live! event at The Beach Club on Nantucket Sound. Local experts participated in panel discussions, presenting on the Sound’s robust environment, tribal history, and historic value to the Cape and Islands.
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