Jacks Island is a Island located in Thunder Bay, Ontario and has an elevation of 206 meters.

• Latitude: 48° 39' 49'' North   (decimal: 48.6636111)
• Longitude: 87° 0' 10'' West   (decimal: -87.0027777)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 206 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Jacks Island
• GPS Coordinate Locator Map: Jacks Island Lat/Long