Castle Island is a Island located in Newfoundland and Labrador and has an elevation of 3 meters.

• Latitude: 51° 59' 0'' North   (decimal: 51.9833852)
• Longitude: 55° 50' 48'' West   (decimal: -55.8467839)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Newfoundland and Labrador
• Elevation: 3 meters
• Atlas of Canada Locator Map: Castle Island
• GPS Coordinate Locator Map: Castle Island Lat/Long