Tremblay Island is a Island located in Thunder Bay, Ontario and has an elevation of 183 meters.

• Latitude: 48° 38' 32'' North   (decimal: 48.6422222)
• Longitude: 88° 4' 14'' West   (decimal: -88.0705555)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 183 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Tremblay Island
• GPS Coordinate Locator Map: Tremblay Island Lat/Long