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.
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, June 4th Webinar
Coastal Treasures: Seashells and the Stories They Tell
6-7pm ET
Join us for a shoreline-inspired adventure that will change the way you see seashells! Shellfish biologist and author Sandy Macfarlane explores the remarkable stories hidden within the shells we often admire along the beaches of Cape Cod and Nantucket Sound. From bold and colorful to subtle and weathered, every shell reveals something about marine life—and even about ourselves. Sandy shares fascinating insights, personal stories from her global travels, and the surprising roles shells play in our natural world.
Thursday, July 30th Webinar
From Cranberries to Coastal Connections:
The Windswept Bog Project
6-7pm ET
Join the Alliance for an engaging ACONS (A Celebration of Nantucket Sound) webinar with Karen Beattie of the Nantucket Conservation Foundation as she shares the inspiring transformation of the Windswept Bog from a former cranberry farm into a thriving coastal wetland. Learn how this restoration supports wildlife, improves water quality, and strengthens the health of ecosystems connected to Nantucket Harbor and Nantucket Sound.
2025 End-of-Year Newsletter
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