Andesite Island is a Island located in Thunder Bay, Ontario and has an elevation of 184 meters.

• Latitude: 47° 42' 31'' North   (decimal: 47.7086111)
• Longitude: 85° 56' 16'' West   (decimal: -85.9377777)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 184 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Andesite Island
• GPS Coordinate Locator Map: Andesite Island Lat/Long