Île Mistahini is a Island located in Saint-Augustin; Basse-Côte-Nord, Quebec.

• Latitude: 51° 7' 18'' North   (decimal: 51.1217247)
• Longitude: 58° 30' 48'' West   (decimal: -58.5132693)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Location: Saint-Augustin; Basse-Côte-Nord
• Atlas of Canada Locator Map: Île Mistahini
• GPS Coordinate Locator Map: Île Mistahini Lat/Long