Mary River is a River located in Prince, Prince Edward Island and has an elevation of 11 meters.

• Latitude: 46° 41' North   (decimal: 46.6832999)
• Longitude: 64° 7' West   (decimal: -64.1166999)
• Topography Feature Category: River
• Geographical Feature: River
• Canadian Province/Territory: Prince Edward Island
• Elevation: 11 meters
• Location: Prince
• Atlas of Canada Locator Map: Mary River
• GPS Coordinate Locator Map: Mary River Lat/Long