L'Islet-sur-Mer is a Unincorporated area located in L'Islet; L'Islet, Quebec.

• Latitude: 47° 7' 39'' North   (decimal: 47.1275227)
• Longitude: 70° 22' 21'' West   (decimal: -70.3725729)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Village
• Canadian Province/Territory: Quebec
• Location: L'Islet; L'Islet
• Atlas of Canada Locator Map: L'Islet-sur-Mer
• GPS Coordinate Locator Map: L'Islet-sur-Mer Lat/Long