Hennessey Island is a Island located in Newfoundland and Labrador and has an elevation of 8 meters.

• Latitude: 49° 41' 34'' North   (decimal: 49.6927777)
• Longitude: 55° 53' 6'' West   (decimal: -55.8850000)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Newfoundland and Labrador
• Elevation: 8 meters
• Atlas of Canada Locator Map: Hennessey Island
• GPS Coordinate Locator Map: Hennessey Island Lat/Long