The top things to do in Thousand Islands, Canada are: Kingston: Thousand Islands Riverboat Cruise 1000 Islands: 10, 20, or 30-Minute Scenic Helicopter Tour From New York City: Niagara Falls & 1000 Islands 3-Day Tour Thousand Islands: Helicopter Tour with Cider Mill and Lunch Gananoque: Helicopter Tour with Craft Brewery Stop and Lunch Explore the best things to do in Thousand Islands, Canada on GetYourGuide