Things to Do in Groton

There are 2 attractions in Groton. Gardiners Island, privately owned island in long island sound, historic estate, is the most popular.

Most Popular By Name

Gardiners Island

Gardiners Island

Privately owned island in Long Island Sound, historic estate

Plum Island (New York)

Plum Island (New York)

Island with federal animal disease research facility

Camp Hero State Park

Camp Hero State Park

State park on former military base with ocean views

Connecticut College Arboretum

Connecticut College Arboretum

Botanical arboretum with curated plant collections and trails

Gillette Castle State Park

Gillette Castle State Park

State park featuring medieval-style castle built by actor

Mystic Seaport

Maritime museum with a recreated 19th-century seaport

Harkness Memorial State Park

Harkness Memorial State Park

Historic seaside estate with formal gardens

Hither Hills State Park

Hither Hills State Park

State park with beachfront, dunes and campgrounds

Montauk Point State Park

Montauk Point State Park

Oceanfront state park with historic lighthouse and bluffs

Orient Beach State Park

Orient Beach State Park

Long Island state park with sandy beaches and dunes

Connecticut River Museum

Connecticut River Museum

Museum about Connecticut River's history and riverine heritage

Sag Harbor Whaling Museum

Sag Harbor Whaling Museum

Museum preserving maritime and whaling heritage of Sag Harbor

Windham Textile and History Museum

Windham Textile and History Museum

Museum documenting regional textile industry and local history