Dunn Island is a Island located in Manitoulin, Ontario and has an elevation of 176 meters.

• Latitude: 45° 50' 12'' North   (decimal: 45.8366666)
• Longitude: 83° 3' 57'' West   (decimal: -83.0658333)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 176 meters
• Location: Manitoulin
• Atlas of Canada Locator Map: Dunn Island
• GPS Coordinate Locator Map: Dunn Island Lat/Long