Detention Island is a Island located in Thunder Bay, Ontario and has an elevation of 193 meters.

• Latitude: 48° 43' 53'' North   (decimal: 48.7313888)
• Longitude: 86° 31' 21'' West   (decimal: -86.5225000)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 193 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Detention Island
• GPS Coordinate Locator Map: Detention Island Lat/Long