Longcroft Island is a Island located in Thunder Bay, Ontario and has an elevation of 185 meters.

• Latitude: 48° 41' 12'' North   (decimal: 48.6866666)
• Longitude: 87° 59' 1'' West   (decimal: -87.9836111)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 185 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Longcroft Island
• GPS Coordinate Locator Map: Longcroft Island Lat/Long