Monument Island is a Island located in Algoma, Ontario and has an elevation of 233 meters.

• Latitude: 46° 21' 35'' North   (decimal: 46.3597222)
• Longitude: 82° 57' 38'' West   (decimal: -82.9605555)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 233 meters
• Location: Algoma
• Atlas of Canada Locator Map: Monument Island
• GPS Coordinate Locator Map: Monument Island Lat/Long