Halfmoon Island is a Island located in Bruce, Ontario and has an elevation of 177 meters.

• Latitude: 45° 26' 17'' North   (decimal: 45.4380555)
• Longitude: 81° 28' 7'' West   (decimal: -81.4686111)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 177 meters
• Location: Bruce
• Atlas of Canada Locator Map: Halfmoon Island
• GPS Coordinate Locator Map: Halfmoon Island Lat/Long