West Mary Island is a Island located in Manitoulin, Ontario and has an elevation of 177 meters.

• Latitude: 45° 58' 14'' North   (decimal: 45.9705555)
• Longitude: 81° 45' 57'' West   (decimal: -81.7658333)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 177 meters
• Location: Manitoulin
• Atlas of Canada Locator Map: West Mary Island
• GPS Coordinate Locator Map: West Mary Island Lat/Long