Today is Monday, June 29, 2026 
Historic Boat Tours
In honor of the Park’s 10-year anniversary, youth ages 4-17 ride for $5 when an adult ticket is purchased by a parent or guardian. This only applies to Historic Boat Tours or the Hop On, Hop Off Harbor Cruise.
RIDE & SAVE
This summer, use your Harbor Cruise ticket receipt to unlock bonus discounts at New London and Groton businesses. Show your receipt while ordering to access this community-based perk!
Ticket Info:
Adults (18+): $35.00
Children (4-17): $5.00
Infants (0-3): FREE
Questions? Contact Us: 860-407-5655
RepeatingTours
Offered multiple times each season
Dates: June- September
Departure: Nautilus Dock, Groton, CT
From the Revolution through modern submarine warfare, this tour traces the Thames River's key role in U.S. military history
Date: June-September
Departure: Nautilus Dock, Groton, CT
Cruise north on the Thames River and hear a Mohegan tribal member narrate the shoreline, passing the Submarine Base and up river into the tribe’s estuary.
Date: June-September
Departure: Thames River Landing, Groton, CT
In honor of the 250th anniversary of the Declaration, this tour explores colonial life and trade on the Thames, culminating with Benedict Arnold’s 1781 raid at New London and Groton Heights.
Date: June-September
Departure: Fort Trumbull State Park, New London, CT
Cruise both sides of the Thames to Long Island Sound and the Coast Guard Academy, learning about the people, places, and stories that shaped the region and nearby heritage sites.
Date: June-September
Departure: Fort Trumbull State Park, New London, CT
See summer cottages, grand estates, and Gilded Age vacationers like Louis Comfort Tiffany and Frederick Law Olmsted, while hearing stories of Thames River luxury.
Date: June-September
Departure: Fort Trumbull State Park, New London, CT
This tour, led by historians Nicole Thomas and Tom Schuch, highlights 400 years of New London’s history through the overlooked contributions of its Black community. Hear stories of struggle, resilience, abolition, education, and civic life.
Special Topic Tours
One-time, limited-availability events
Date: Sunday, July 26, 2026
Departure: Fort Trumbull State Park, New London, CT
This boat tour highlights local history, literature, and sites that inspired famous books.
Date: Sunday, July 5, 2026
Departure: Fort Trumbull State Park, New London, CT
Cruise east from the Thames River to explore Long Island Sound's vital eelgrass meadows including their ecology, threats, and stewardship.
Date: Saturday, August 1, 2026
Departure: Fort Trumbull State Park, New London, CT
Cruise east from the Thames River to explore Long Island Sound's vital eelgrass meadows including their ecology, threats, and stewardship.