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

• Latitude: 51° 12' 16'' North   (decimal: 51.2045025)
• Longitude: 58° 30' 26'' West   (decimal: -58.5071561)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Location: Saint-Augustin; Basse-Côte-Nord
• Atlas of Canada Locator Map: Île Big Duck
• GPS Coordinate Locator Map: Île Big Duck Lat/Long