Hop On, Hop Off Harbor Cruise on the Thames River

Hop aboard the Thames River Heritage Park's open-air, navy utility boats to experience the Thames River and discover the Park's 20+ heritage sites in both New London and Groton.
Harbor Cruise Info:
- Your ticket can be used all day as an UNLIMITED PASS
- Hop-on and off at your leisure at any landing site
- Want to stay put? Sit back and enjoy the one-hour loop
- Saturdays & Sundays, 11AM – 5PM
- June - September 2026
We are celebrating the Park’s 10-year anniversary with the addition of a fourth stop at the Nautilus Dock via the Submarine Force Museum on SUNDAYS! Check out the Traditional Saturday Schedule (3 stops) and Specialty Sunday Schedule (4 stops) below.
Saturday Departure Schedule: 3 Stops
- Fort Trumbull State Park in New London: on the hour
- City Pier in New London: 20 minutes after the hour
- Thames River Landing in Groton: 40 minutes after the hour
Sunday Departure Schedule: 4 Stops
- Fort Trumbull State Park in New London: on the hour
- City Pier in New London: 15 minutes after the hour
- Nautilus Dock in Groton: 35 minutes after the hour - NEW!!!
- Thames River Landing in Groton: 50 minutes after the hour
The Harbor Cruise starts at Fort Trumbull State Park, skips over to City Pier in Downtown New London, cruises up the river to Nautilus Dock in Groton (Sundays Only), loops down to Thames Landing in Groton and back around to Fort Trumbull in an hour.
Check out the Park's website for more information about heritage sites along the river, planning your visit and more!