Lac Isurtualuk is a Lake located in Baie-d'Hudson; Kativik, Quebec.

• Latitude: 58° 3' 4'' North   (decimal: 58.0511111)
• Longitude: 76° 14' 50'' West   (decimal: -76.2472222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-d'Hudson; Kativik
• GPS Coordinate Locator Map: Lac Isurtualuk Lat/Long