Second Island is a Island located in Thunder Bay, Ontario and has an elevation of 324 meters.

• Latitude: 49° 38' 53'' North   (decimal: 49.6480555)
• Longitude: 86° 40' 57'' West   (decimal: -86.6825000)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 324 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Second Island
• GPS Coordinate Locator Map: Second Island Lat/Long