Montgomery Island is a Island located in Thunder Bay, Ontario and has an elevation of 190 meters.

• Latitude: 48° 31' 21'' North   (decimal: 48.5225000)
• Longitude: 88° 18' 15'' West   (decimal: -88.3041666)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 190 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Montgomery Island
• GPS Coordinate Locator Map: Montgomery Island Lat/Long