Mary Island is a Island located in Sudbury, Ontario and has an elevation of 322 meters.

• Latitude: 48° 23' 28'' North   (decimal: 48.3911111)
• Longitude: 83° 36' 55'' West   (decimal: -83.6152777)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 322 meters
• Location: Sudbury
• Atlas of Canada Locator Map: Mary Island
• GPS Coordinate Locator Map: Mary Island Lat/Long