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

• Latitude: 55° 8' 4'' North   (decimal: 55.1344444)
• Longitude: 71° 0' 35'' West   (decimal: -71.0097222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Marin
• GPS Coordinate Locator Map: Lac Marin Lat/Long