Montreal Island (Canada) size comparison
499 km2 / 193 mile2
The island is approximately 50 km (30 miles) long and 16 km (10 miles) wide at its widest point, and has a shoreline of 266 km (165 miles). It is the second largest island in the Saint Lawrence River, after Anticosti Island in the Gulf of Saint Lawrence. The Island of Montreal is the largest island in the Hochelaga Archipelago, which is formed by the confluence of the Ottawa and St. Lawrence rivers.