Three Belles Marina is a full-service marina located on pristine Smith Cove and just a short drive from the quaint village of Niantic, a seaside community of East Lyme, Connecticut and only a few miles from Interstate 95. Our protected cove is only has easy access to the Long Island Sound and boasts some of the best boating and fishing grounds on the eastern seaboard. We invite you to our marina and take a look for yourself.