Green Island is a Island located in Manitoulin, Ontario and has an elevation of 185 meters.

• Latitude: 45° 59' 8'' North   (decimal: 45.9855555)
• Longitude: 81° 14' 8'' West   (decimal: -81.2355555)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 185 meters
• Location: Manitoulin
• Atlas of Canada Locator Map: Green Island
• GPS Coordinate Locator Map: Green Island Lat/Long