Where are the cleanest beaches on east coast of usa?

The cleanest beaches on the East Coast of the USA are:

* Cape Cod, Massachusetts

* Martha's Vineyard, Massachusetts

* Nantucket, Massachusetts

* Block Island, Rhode Island

* Fire Island, New York

* The Hamptons, New York

* Cape May, New Jersey

* Ocean City, Maryland

* Virginia Beach, Virginia

* Myrtle Beach, South Carolina

* Tybee Island, Georgia