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

• Latitude: 56° 49' 59'' North   (decimal: 56.8329183)
• Longitude: 68° 7' 30'' West   (decimal: -68.1251388)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Marcel
• GPS Coordinate Locator Map: Lac Marcel Lat/Long