Marina de Beauharnois is a Marine navigation feature located in Beauharnois; Beauharnois-Salaberry, Quebec.

• Latitude: 45° 18' 59'' North   (decimal: 45.3164290)
• Longitude: 73° 52' 38'' West   (decimal: -73.8770988)
• Topography Feature Category: Marine navigation feature
• Geographical Feature: Débarcadère
• Canadian Province/Territory: Quebec
• Location: Beauharnois; Beauharnois-Salaberry
• Atlas of Canada Locator Map: Marina de Beauharnois
• GPS Coordinate Locator Map: Marina de Beauharnois Lat/Long