Lac Marc-Antoine is a Lake located in Baie-de-la-Bouteille; Matawinie, Quebec.

• Latitude: 46° 56' 25'' North   (decimal: 46.9403233)
• Longitude: 74° 5' 34'' West   (decimal: -74.0926501)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-de-la-Bouteille; Matawinie
• Atlas of Canada Locator Map: Lac Marc-Antoine
• GPS Coordinate Locator Map: Lac Marc-Antoine Lat/Long