Things to Do in Thousand Islands

3 attractions in Thousand Islands — back to Thousand Islands.

Alexandria Bay

Landmark

Alexandria Bay

Boldt Castle

Landmark

Boldt Castle

Thousand Islands Skydeck at Greystone Mansion

Viewpoint

Thousand Islands Skydeck at Greystone Mansion

Things to Do in Thousand Islands: FAQs

When is the best time to visit Thousand Islands?

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The best time to visit Thousand Islands is summer.

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