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Discover the 2-hour 45-minute glass-bottom boat tour along the St. Lawrence River, including a visit to Rock Island Lighthouse and underwater views.
Taking a 2-hour 45-minute cruise along the majestic St. Lawrence River in Clayton, NY, offers an engaging mix of scenic beauty, history, and unique experiences. For $32 per person, this tour highlights the famous Rock Island Lighthouse, the Thousand Islands, and underwater sights visible through a glass-bottom boat. It’s a well-rated experience with a 4.5-star score based on 98 reviews and a 94% recommendation rate. The tour is ideal for those keen on nature, history, and family-friendly outings, although it’s important to note that the glass-bottom feature might not meet all expectations for underwater viewing.
The journey begins at Clayton Island Tours, where a local naturalist guide leads the tour, sharing insights about the region’s natural and cultural history. The experience includes admission to Rock Island, where visitors can climb the lighthouse, explore the museum in the former keeper’s house, and walk among historic buildings. With most bookings made 6 days in advance and a most travelers arriving 30 minutes early, this tour balances relaxation with informative storytelling and scenic exploration.


The tour begins at 39621 Chateau Ln, Clayton, NY 13624, where guests receive their boarding passes from a designated blue ticket booth. The meeting process is straightforward, with most travelers arriving 30 minutes before departure to ensure smooth check-in. The tour concludes back at the same starting point, making logistics simple for visitors.
Transportation is primarily by boat, with a group size capped at 40, ensuring a comfortable and personalized experience. For those with mobility concerns, the physical activity involves climbing stairs at the lighthouse and walking around the island, so planning accordingly is recommended.
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The core of this experience is the sightseeing cruise on a glass-bottomed boat that reveals underwater life and shipwrecks. Travelers enjoy viewing shoals and historic shipwrecks from beneath the water, with the glass floor providing a clear view of the submerged scenery.
While many reviews highlight the beauty of the scenery and the knowledgeable guides, some mention that the underwater visibility can be limited, making it harder to identify certain features. The views of the surrounding islands, the shipwrecks, and granite blocks from a bygone hotel** remain a highlight.

The tour includes a visit to Rock Island, famous for its historic lighthouse, which visitors can climb for a bird’s eye view of the river. The lighthouse and keeper’s museum are key attractions, offering insight into the life of lighthouse tenders and the region’s maritime history.
Visitors can explore historic buildings, including the keeper’s house, now a museum. Climbing the lighthouse’s stairs provides a panoramic view of the Thousand Islands. Many reviews mention the fascinating stories shared by the guides, especially about the families who settled here and the lighthouse’s moving history.
The guided tour is led by a local naturalist who offers informative commentary about the region’s natural features and historic sites. The guides are praised for their friendly demeanor, knowledgeable insights, and fun facts.
While some reviews note that microphone muffling occurs occasionally, this doesn’t significantly detract from the overall experience. The guides excel at creating an engaging atmosphere, making the trip both educational and entertaining.

The cruise showcases the scenery of the Thousand Islands, with many beautiful islands visible from the boat. The tour provides an opportunity to learn about the natural environment and early settlements that shaped the region.
Guests get a sense of the region’s commercial transport history and notable residents who settled here. Several reviews emphasize the scenery, interesting historical facts, and the feeling of being on the water.

Most guests book their tickets six days ahead, reflecting the tour’s popularity. It’s advisable to arrive 30 minutes early to check in and receive boarding passes. The experience is suitable for most travelers, including those with service animals.
There’s an option to pre-order a picnic lunch for $12 for adults and $8 for children, which should be arranged in advance. The tour operates most days but relies on good weather, with cancellations possible due to severe weather conditions or insufficient bookings.

At $32 per person, this tour offers excellent value, including a scenic cruise, admission to Rock Island, and the lighthouse visit. The scenery, guides, and historic sites create a well-rounded experience for families, history buffs, and outdoor enthusiasts.
A minor limitation noted by some reviewers is that the glass-bottom feature may not always provide the clear underwater view expected, and the absence of a bar might be disappointing for those seeking a more social or leisurely drinking experience.

The tour offers free cancellations up to 24 hours before the scheduled time, providing flexibility if plans change. As the experience depends on good weather, cancellations can occur due to storms or high winds. If canceled, guests are offered a different date or a full refund.
Occasionally, overbooking issues may happen if bookings are made very close to the departure time, so early reservations are recommended. The tour’s small group size ensures a personalized and comfortable ride, even during busy periods.
This scenic cruise along the St. Lawrence River presents a blend of natural beauty, historic charm, and underwater sights. The guides’ friendly approach and well-maintained boats foster a relaxing, informative experience suitable for families, couples, and solo travelers alike.
While the glass-bottom feature might not always reveal abundant underwater life, the views of the islands, shipwrecks, and Rock Island Lighthouse compensate with their visual appeal and historical significance. The $32 price point makes it a cost-effective outing in Clayton, with most reviews praising value for money and quality storytelling.
This tour delivers a memorable exploration of the Thousand Islands, combining scenery, history, and a touch of maritime adventure. It’s a recommendation for anyone interested in lake and river landscapes, lighthouse history, or family-friendly boat trips.
“Great time and would recommend to others. Captain and tour guide very friendly and did a great job!!”
How long is the tour?
The tour lasts approximately 2 hours 45 minutes, including the cruise and time spent on Rock Island.
What is included in the ticket price?
The $32 ticket covers the sightseeing cruise on a glass-bottom boat, admission to Rock Island, and a local naturalist guide.
Can I see underwater life clearly?
The glass-bottom floor provides a view of underwater scenery, but some reviewers find the visibility limited and suggest not expecting a comprehensive underwater spectacle.
Is the tour suitable for children or people with mobility issues?
Most travelers can participate, but climbing the lighthouse stairs and exploring historic buildings requires some mobility. The tour is family-friendly.
What should I do if I want to cancel?
You can cancel free of charge up to 24 hours before the scheduled start, with a full refund. Cancellations due to bad weather are also fully refunded or rescheduled.
Are food and drinks available on the tour?
There are picnic lunch options available for pre-order at $12 for adults and $8 for children. The tour does not have a bar or refreshment service onboard.
Where do I meet for the tour?
Guests meet at 39621 Chateau Ln, Clayton, NY 13624. It’s best to arrive 30 minutes early to check in.
Is the tour weather-dependent?
Yes, the experience requires good weather. Tours may be canceled in case of storms or high winds.
How many people participate in each tour?
The maximum group size is 40 travelers, ensuring a comfortable and intimate experience.
Can I bring service animals?
Yes, service animals are allowed onboard the boat.
What if the tour gets canceled due to weather?
Guests are offered a reschedule or full refund if the tour is canceled because of bad weather.