Baie Mantus Autamat is a Bay located in Rivière-Koksoak; Kativik, Quebec.

• Latitude: 55° 4' 15'' North   (decimal: 55.0708333)
• Longitude: 72° 26' 58'' West   (decimal: -72.4494444)
• Topography Feature Category: Bay
• Geographical Feature: Baie
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Baie Mantus Autamat
• GPS Coordinate Locator Map: Baie Mantus Autamat Lat/Long