Leadman Island is a Island located in Thunder Bay, Ontario and has an elevation of 184 meters.

• Latitude: 48° 40' 42'' North   (decimal: 48.6783333)
• Longitude: 86° 55' 59'' West   (decimal: -86.9330555)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 184 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Leadman Island
• GPS Coordinate Locator Map: Leadman Island Lat/Long