Costellos Island is a Island located in Ferryland, Newfoundland and Labrador and has an elevation of 0 meters.

• Latitude: 47° 1' 39'' North   (decimal: 47.0275000)
• Longitude: 52° 52' 15'' West   (decimal: -52.8708333)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Newfoundland and Labrador
• Elevation: 0 meters
• Location: Ferryland
• Atlas of Canada Locator Map: Costellos Island
• GPS Coordinate Locator Map: Costellos Island Lat/Long