Holmes Island is a Island located in Algoma, Ontario and has an elevation of 180 meters.

• Latitude: 46° 18' 15'' North   (decimal: 46.3041666)
• Longitude: 83° 54' 12'' West   (decimal: -83.9033333)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 180 meters
• Location: Algoma
• Atlas of Canada Locator Map: Holmes Island
• GPS Coordinate Locator Map: Holmes Island Lat/Long