Nantucket Beaches

NantucketCapeCod.com - A guide to Nantucket beaches, including information on restrooms, food, lifeguards, and parking
IslandofNantucket.info - A guide to Nantucket beaches that includes information on beach permit fees
Nantucket.net - This guide of Nantucket beaches has photos of all of the beaches
NESurf.com - This site offers the latest news and announcements about surfing in New England

Coastal Trails

Coastal Trails of Massachusetts - Not all of these spots have swimming, but this is a great list of scenic trails along the Massachusetts shore, compiled by the state