Île Saint-Jean is a Island located in Saint-François-du-Lac; Nicolet-Yamaska, Quebec and has an elevation of 14 meters.

• Latitude: 46° 5' 42'' North   (decimal: 46.0949999)
• Longitude: 72° 54' 41'' West   (decimal: -72.9113889)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Elevation: 14 meters
• Location: Saint-François-du-Lac; Nicolet-Yamaska
• Atlas of Canada Locator Map: Île Saint-Jean
• GPS Coordinate Locator Map: Île Saint-Jean Lat/Long