Travel and Leisure rates the top Seaside Inns. Here are my fave: Provincetown, MA — Red Inn Prouts Neck, ME — Black Point Inn Nantucket, MA — Cottages & Lofts at the Boat Basin Stamford, CT — Hotel Chesterfield Little Compton, RI — Stone House Plum Island, MA — Blue, the Inn on the Beach Sausalito, CA — Inn Above Tide