Eighteen Mile Island is a Island located in Sudbury, Ontario and has an elevation of 210 meters.

• Latitude: 46° 3' 36'' North   (decimal: 46.0599999)
• Longitude: 80° 22' 17'' West   (decimal: -80.3713888)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 210 meters
• Location: Sudbury
• Atlas of Canada Locator Map: Eighteen Mile Island
• GPS Coordinate Locator Map: Eighteen Mile Island Lat/Long