Cape Breton Islandis an island on theAtlanticcoast ofNorth America. Itis part of the province ofNova Scotia,Canada. Located east-northeast of the mainland with its northern and westerncoastsfronting on theGulf of Saint Lawrence,it supports a vibrant, but seasonal tourist industry with a mix of cultural and historical attractions. One of the world's larger salt water lakes,Bras d'Or("Arm of Gold" in French), dominates the centre of the island.