Things to do in Thousand Islands

This grand castle on Heart Island was built as a monument to love by millionaire George C. Boldt. Explore restored period rooms and manicured gardens while enjoying sweeping views of the St. Lawrence River.

Explore the islands, islets and peninsulas that dot the St. Lawrence River between Kingston and Brockville.

This scenic five-bridge system spans the Saint Lawrence River, connecting the US and Canada with stunning island views. Capture the engineering marvel and natural beauty while crossing between two countries.

You can learn about the history of Lansdowne with a stop at 1000 Islands Tower. Amble around the area's riverfront or seek out the local tours.

This grand shingle-style yacht house once housed George Boldt's fleet during the Gilded Age. Inside, discover a collection of antique wooden boats that tell the maritime story of the Thousand Islands region.

Explore the great outdoors at Big Sandy Bay Management Area, a lovely green space in Frontenac Islands. Stroll along the area's waterfront, or simply savor its top-notch restaurants.