Things To Do
Activities
Discover the best activities, attractions, and experiences the Thousand Islands has to offer — on and off the water.
Water Activities
Whether you prefer a narrated guided tour or a self-guided adventure, you can explore the river and its islands by renting a boat or kayak—even diving below the surface to discover hidden shipwrecks.
Clayton 
Rockport 
History & Castles
George Boldt’s monument to love on Heart Island, Boldt Castle, is one of the most visited landmarks in the region.
Family Fun
Fishing
World-class bass, pike, muskie, and walleye fishing in the crystal-clear waters of the St. Lawrence River.
Kayaking & Canoeing
Paddle through sheltered coves and around uninhabited islands on a guided or self-guided kayaking tour.
Singer Castle
Explore this remarkably preserved castle on Dark Island — complete with secret passages and dungeon.
1000 Islands Tower
Ride to the top of the observation tower for a breathtaking 360° view of the islands and both countries.
Scuba Diving
The Thousand Islands is one of the top freshwater diving destinations in the world, with dozens of accessible shipwrecks.
Rockport Cruises
Take a narrated boat tour from Rockport, Ontario — one of the region’s most scenic departure points.
Ready to Plan Your Trip?
Find the perfect place to stay and make the most of your Thousand Islands adventure.