Things to do in Thousand Islands

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Thousand Islands Travel Guide

St. Lawrence Islands National Park showing a river or creek and forest scenes

Thousand Islands featuring landscape views, wetlands and a river or creek

St. Lawrence Islands National Park featuring a lake or waterhole

St. Lawrence Islands National Park showing a bridge

St. Lawrence Islands National Park showing boating

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What to do in Thousand Islands

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The tiny islands in the St Lawrence River are actually the tops of worn-down mountains. Do the cruise around all the quirky ways that people have added structures to them. And then you come across Boldt castle amongst all the islands! #water #boats #castles

Boldt Castle

4.5/5(248 reviews)

After visiting Boldt Castle, make a plan to see the other sights and activities in Alexandria Bay. Amble around the area's riverfront or seek out the local tours.

St. Lawrence Islands National Park

4.5/5(32 reviews)

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

Thousand Islands Bridge

4.5/5(182 reviews)

Learn about the local history of Wellesley Island when you spend time at Thousand Islands Bridge. Stroll along the riverfront or seek out the local tours.

1000 Islands Tower

5/5(7 reviews)

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.

Big Sandy Bay Management Area

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.

Boldt Yacht House

Learn about the local history of Wellesley Island with a stop at Boldt Yacht House. Amble around the area's riverfront or seek out the local tours.

Dewolf Point State Park

You can take time to visit Dewolf Point State Park during your travels to Wellesley Island. While you're in the area, stroll along the riverfront.

Waterson Point State Park

You can take time to visit Waterson Point State Park during your travels to Wellesley Island. While you're in the area, stroll along the riverfront.

Mary Island State Park

Commune with nature and explore the great outdoors at Mary Island State Park during your travels in Wellesley Island. Stroll along the riverfront or seek out the local tours.