Stack Island is a Island located in Thunder Bay, Ontario and has an elevation of 183 meters.

• Latitude: 47° 41' 43'' North   (decimal: 47.6952777)
• Longitude: 85° 49' 55'' West   (decimal: -85.8319444)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 183 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Stack Island
• GPS Coordinate Locator Map: Stack Island Lat/Long