Thousand Islands · Best Landmarks · Curated · Updated 2026

Best Landmarks in Thousand Islands

Discover the best landmarks in Thousand Islands. Find inspiration for your trip with our curated list of top-rated spots, local favorites, and hidden gems.

The 10 best landmarks in Thousand Islands

new-york/thousand-islands/landmark/boldt-castle-boldt-yacht-house

Boldt Castle & Boldt Yacht House

Explore Boldt Castle, a stunning historic landmark in the Thousand Islands, showcasing romantic architecture and captivating stories of love and loss.

1 Heart Island, Alexandria Bay, NY 13607
4.8 Excellent 5,671 reviews
new-york/thousand-islands/landmark/uncle-sam-boat-tours

Uncle Sam Boat Tours

Experience the breathtaking beauty and rich history of the Thousand Islands aboard Uncle Sam Boat Tours, a must-visit for every traveler.

45 James St, Alexandria Bay, NY 13607
4.6 Excellent 4,547 reviews
new-york/thousand-islands/landmark/1000-islands-tower

1000 Islands Tower

Discover breathtaking views and local charm at the 1000 Islands Tower, a must-see tourist attraction in Ontario's stunning 1000 Islands region.

716 Highway 137 Hill, Island, Lansdowne, ON K0E 1L0, Canada
4.5 Excellent 1,178 reviews
new-york/thousand-islands/landmark/singer-castle

Singer Castle

Experience the historical grandeur of Singer Castle, a captivating gem in the Thousand Islands of New York, where history and natural beauty converge.

1136 County Route 6, Chippewa Bay, NY 13623
4.6 Excellent 767 reviews
new-york/thousand-islands/landmark/keewaydin-state-park

Keewaydin State Park

Experience the tranquility and adventure at Keewaydin State Park, a natural wonder in New York's Thousand Islands region, ideal for outdoor activities and relaxation.

45165 NY-12, Alexandria Bay, NY 13607
4.5 Excellent 448 reviews
new-york/thousand-islands/landmark/antique-boat-museum

Antique Boat Museum

Uncover the maritime treasures of history at the Antique Boat Museum in Clayton, NY, where the art of wooden craftsmanship comes alive.

750 Mary St, Clayton, NY 13624
4.7 Excellent 611 reviews
new-york/thousand-islands/landmark/tibbetts-point-lighthouse

Tibbetts Point Lighthouse

Discover the charm and history of Tibbetts Point Lighthouse, a serene beacon overlooking the St. Lawrence River and Lake Ontario in beautiful Cape Vincent, NY.

33435 County Rd 6, Cape Vincent, NY 13618
4.7 Excellent 763 reviews
new-york/thousand-islands/landmark/scenic-view-park

Scenic View Park

Discover the serene beauty of Scenic View Park in Alexandria Bay, offering panoramic views of the St. Lawrence River and lush walking trails for all nature lovers.

8 Fuller St, Alexandria Bay, NY 13607
4.7 Excellent 667 reviews
new-york/thousand-islands/landmark/boldt-castle-yacht-house

Boldt Castle Yacht House

Explore the enchanting Boldt Castle Yacht House, a historic gem on Wellesley Island that offers stunning architecture and breathtaking waterfront views.

22320 Boathouse Rd, Wellesley Island, NY 13640
4.7 Excellent 446 reviews
new-york/thousand-islands/landmark/cedar-point-state-park

Cedar Point State Park

Experience the beauty and tranquility of Cedar Point State Park, where nature meets adventure along the stunning St. Lawrence River.

36661 State Park Dr, Clayton, NY 13624
4.7 Excellent 418 reviews

More to explore in Thousand Islands

Jump into the most useful discovery pages nearby, from experiences and heritage highlights to food, stays, shopping, and evening ideas.

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More about Thousand Islands

Discover the Thousand Islands in New York State: A captivating archipelago with stunning natural beauty, historic castles, and endless outdoor activities.

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