Anticosti Island (Île d'Anticosti; Notiskuan; Natigostec) is an island in the Minganie Regional County Municipality, in administrative region of Côte-Nord, the province of Quebec, Canada.
This island is located at the outlet of the St. Lawrence River into the Gulf of Saint Lawrence, between 49° and 50° N., and between 61° 40' and 64° 30' W. At in size, it is the 90th largest island in the world and 20th largest island in Canada. Anticosti Island is separated on the north from the Côte-Nord region of Quebec (the Labrador Peninsula) by the Jacques Cartier Strait, and on the south from the Gaspé Peninsula by the Honguedo Strait.
Anticosti Island is larger than Prince Edward Island but sparsely populated (218 people in 2016), with most of the permanent population in the village of Port-Menier on the western tip of the island, consisting chiefly of the keepers of the lighthouses erected by the Canadian government. The entire island constitutes one municipality known a