Notre Dame Island is a man-made island located in the St. Lawrence River in Montreal, Canada. It was created for the 1967 International and Universal Exposition, known as Expo 67. The island features parks, recreational areas, and various attractions, making it a popular destination for both locals and tourists. The island is home to the Montreal Casino, one of the largest casinos in Canada, and the Biosphere, an environmental museum. Visitors can enjoy walking and cycling paths, as well as beautiful views of the Montreal skyline and the river. Notre Dame Island is a vibrant space for leisure and cultural activities.