Flat Island Shoal is a Shoal located in Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord, Quebec.

• Latitude: 50° 45' 24'' North   (decimal: 50.7566667)
• Longitude: 58° 46' 9'' West   (decimal: -58.7691667)
• Topography Feature Category: Shoal
• Geographical Feature: Haut-fond
• Canadian Province/Territory: Quebec
• Location: Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord
• GPS Coordinate Locator Map: Flat Island Shoal Lat/Long