The Montreal Casino, located in Montreal, Quebec, is the largest casino in Canada. Situated on Notre Dame Island, in Jean-Drapeau Park, it consists of two former Expo 67 pavilion buildings. The casino is open to the public seven days a week, operating morning until late night. It first opened on October 9, 1993.

Notre Dame Island is an artificial island in the Saint Lawrence River in Montreal, Quebec, Canada. It is immediately to the east of Saint Helen's Island and west of the Saint Lawrence Seaway and the city of Saint-Lambert on the south shore. Together with Saint Helen's Island, it makes up Parc Jean-Drapeau, which forms part of the Hochelaga Archipelago. To the southeast, the island is connected to the embankment separating the seaway and Lachine Rapids.