
The fish chapter is the one almost nobody remembers. In 1927, Atlantic Coast Fisheries bought the old Groton Iron Works yard and turned its cavernous steel sheds into something startlingly modern: a plant that filleted haddock, froze each fillet solid on aluminum plates, and wrapped it in crisp new Cellophane — individually quick-frozen seafood a full generation before it reached the average American grocer. Fortune magazine marveled at an operation built for ten million fillets a year, its lines run in part by rows of women at automatic wrapping machines. It was ahead of its time in the most literal sense: the fish were landed up in Boston, too far to stay competitive, and the Depression left shoppers wanting the cheapest food, not the finest. Barely four years after it opened, the plant went quiet. The future had arrived too early to survive.
The Submarine Capital of the World — where the first nuclear submarine slid into the Thames in 1954. Groton, Connecticut sits on the east bank of the Thames River, on a deep-water harbor that has been building and berthing ships for three centuries. It is the place where the world's first nuclear-powered submarine, the Nautilus, was launched in 1954 — and where she still floats today, open to anyone who wants to walk her decks at the Submarine Force Museum. Groton has earned the title Submarine Capital of the World for a simple reason: the boats that disappear beneath the world's oceans have been built and based here for generations. But the town's salt runs deeper than steel — back to a 1705 shipbuilding-and-whaling village, and to the hallowed ground of Fort Griswold.
Why People Visit Groton Connecticut
- Tour the free Submarine Force Museum and step aboard the Historic Ship Nautilus, the world's first nuclear submarine, berthed on the Thames.
- Walk the ramparts of Fort Griswold Battlefield State Park and climb the 135-foot Groton Monument for views over the harbor.
- Hike or bike the wooded trails of Bluff Point State Park out to its tidal coves and rocky point.
- Visit Avery Point — the Branford House mansion, the University of Connecticut campus lawns, and Avery Point Light, the last lighthouse built in Connecticut.
- Relax at Eastern Point Beach, a small family cove with breakwater views across the river mouth.
- Take a guided tour of the Gungywamp State Archaeological Preserve to see its colonial stone chambers and double stone circle.