Nantucket Sound won’t stay a national treasure without your support!
Please donate now to support our effort to designate Nantucket Sound as a National Historic Landmark.
The Alliance is seeking federal legislation that will protect this historic body of water in perpetuity. 

The Alliance to Protect Nantucket Sound is a 501 (c)(3) non-profit environmental organization dedicated to the permanent preservation of Nantucket Sound, the historic body of water that lies between Cape Cod and the islands of Martha’s Vineyard and Nantucket. Learn more about the Alliance here. 

About Nantucket Sound

THE SOUND
Between the Cape & Islands, Nantucket Sound is famous for its natural beauty & abundant wildlife
Read more & view navigational charts

DESIGNATIONS
Efforts that have been made to protect Nantucket Sound, including its designation as a Traditional Cultural Property (TCP) and eligibility for listing in the National Register of Historic Places
Read more

ECOLOGY
An extraordinary diversity of wildlife, including threatened & endangered species, inhabit areas in and around the Sound
Read more