Half Island is a Island located in St. Mary's-The Capes, Newfoundland and Labrador and has an elevation of 8 meters.

• Latitude: 47° 11' 34'' North   (decimal: 47.1927777)
• Longitude: 53° 34' 53'' West   (decimal: -53.5813888)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Newfoundland and Labrador
• Elevation: 8 meters
• Location: St. Mary's-The Capes
• Atlas of Canada Locator Map: Half Island
• GPS Coordinate Locator Map: Half Island Lat/Long