Lac Tasiik is a Lake located in Rivière-Koksoak; Kativik, Quebec.

• Latitude: 58° 14' 29'' North   (decimal: 58.2412660)
• Longitude: 68° 2' 53'' West   (decimal: -68.0481075)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Tasiik
• GPS Coordinate Locator Map: Lac Tasiik Lat/Long