Baie de l’Isle-Verte (French for "Green Island Bay") is a 22.2 square kilometres (8.6 sq mi) coastal wetland along the southern shore of the Saint Lawrence River in Quebec, Canada. It was designated a Ramsar wetland of international importance on May 27, 1987, is classified as a globally significant Important Bird Area, and contains a National Wildlife Area and Migratory Bird Sanctuary.