Groton is a historic Connecticut port city known as the “Submarine Capital of the World.” It serves as the gateway to the Mystic River and eastern Connecticut.

The city is famous for the USS Nautilus submarine museum, the Electric Boat shipyard, and the nearby Mystic Seaport. Cruisers come for the naval history, the maritime museums, and the scenic Connecticut coastline.

Cultural offerings include the annual Groton Submarine Festival, signature New England clam chowder and lobster rolls, and the strong maritime and military heritage. The blend of submarine history, historic seaport, and classic New England coastal charm makes Groton a distinctive Northeast U.S. port.

Track ship arrivals and departures in the Port of Groton, Connecticut. Real-time live ship traffic in the Port of Groton, Connecticut is now centered in the port tracker below.