Glass Bottom Boat + Rock Island Lighthouse

White stone lighthouse on a tiny island surrounded by clear shallow turquoise water

Price from

$57.95/person

4.5(98)

Family favourite
  • 2-hour 45-minute guided cruise on a glass-bottom boat
  • View aquatic life and underwater scenery through the glass floor
  • Cruise the St. Lawrence River, the largest east-west river in North America
  • Visit historic Rock Island Lighthouse, originally commissioned in 1847
  • 39611 Chateau Ln, Clayton, NY 13624, USA
  • Mobile ticket
  • Instant confirmation
  • 2h 45m (approx.)

Cancellation Policy

With Ticket Assurance, Cancellation up to 24 hours prior to departure. Otherwise Cancellation up to 48 hours in advance.

See the Thousand Islands from above and below on this 2-hour 45-minute glass-bottom boat cruise along the St. Lawrence River. The only public tour with access to Rock Island Lighthouse, this guided journey takes you from Clayton to Alexandria Bay and back with a full hour ashore on Rock Island.

About this activity

  • Duration 2h 45m (approx.)
  • Boarding 15 min before departure
  • Instant confirmation · Mobile ticket
  • Ticket Assurance: cancel or reschedule up to 24 hours before departure

Highlights

  • 2-hour 45-minute guided cruise on a glass-bottom boat
  • View aquatic life and underwater scenery through the glass floor
  • Cruise the St. Lawrence River, the largest east-west river in North America
  • Visit historic Rock Island Lighthouse, originally commissioned in 1847
  • Spend an hour exploring Rock Island State Park
  • Climb the lighthouse for panoramic views of the St. Lawrence River
  • Visit the Lighthouse Keepers Cottage Museum and Gift Shop
  • Learn the natural and cultural history of the region from an expert local guide
  • All ages welcome

Full description

Board a distinctive glass-bottom boat for a 2-hour 45-minute narrated cruise along the St. Lawrence River from Clayton to Alexandria Bay. Peer through the glass floor as your guide walks you through the aquatic life and underwater scenery below, including one of the region's largest underwater shoals and submerged relic dock cribs from the Gilded Age. Along the way, take in sweeping views of historic island mansions, private estates, and the breathtaking scenery of the Thousand Islands.

Includes

  • 2-hour 45-minute sightseeing cruise by glass-bottom boat
  • Local naturalist guide
  • Admission to Rock Island Lighthouse
  • Restroom on board

What's allowed

  • Personal food and beverages welcome on board
  • Service animals permitted
  • Infants ages 4 and under ride free
  • Wheelchair accessible
  • Stroller accessible

Not allowed

  • No pets, comfort animals, or ESAs
  • All boats are smoke-free
  • No outside alcohol

Know before you board

  • Boarding begins 15 minutes before departure
  • Arrive at least 30 minutes before your departure time
  • Bring a valid photo ID and your booking reference (digital or printed)
  • Passports are not required
  • Free parking available. Buses and RVs welcome.
  • Infants ages 4 and under are free

Meeting point

39611 Chateau Ln, Clayton, NY 13624, USA

The dock sits on the Clayton waterfront beside the Chateau Lane boardwalk, a two-minute walk from the Antique Boat Museum end of Riverside Drive. Check in at the ticket booth on the dock.

View on Google Maps

Cancellation policy

  • With Ticket Assurance: You can cancel up to 24 hours prior to departure.
  • Without Ticket Assurance: You can cancel up to 48 hours in advance.

To cancel or reschedule an eligible booking, head to Manage Booking.

You May Also Like

Narrated cruise boat passing a lighthouse and wooded islands on the St. Lawrence River at dusk
2 hoursDeparts Clayton

Islands, Lighthouses, and Castle Tour

A 2-hour narrated cruise covering 20 scenic miles between Clayton and Alexandria Bay, taking in Boldt Castle, two lighthouses, and Millionaires Row.

From $49.95

Buy Ticket
Islands, Lighthouses, and Castle Tour
Golden sunset over the St. Lawrence River seen from the deck rail of a sightseeing boat
2 hoursDeparts Clayton

Sunset Cruise on The St. Lawrence River

A relaxed 2-hour evening cruise among the islands on the St. Lawrence River, with on-board music, wildlife spotting, and a fully licensed cash bar.

From $29.95

Buy Ticket
Sunset Cruise on The St. Lawrence River
Suspension bridge spanning a wide blue river seen from the wake of a moving boat
2h 15mDeparts Alexandria Bay

2 Nation Tour

Cover 22 miles through the shared international waters of America and Canada on a 2-hour 15-minute narrated cruise. No passport required.

From $45.95

Buy Ticket
2 Nation Tour