Reef Bay is a Bay located in Thunder Bay, Ontario and has an elevation of 422 meters.

• Latitude: 49° 17' 48'' North   (decimal: 49.2966666)
• Longitude: 87° 48' 55'' West   (decimal: -87.8152777)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 422 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Reef Bay
• GPS Coordinate Locator Map: Reef Bay Lat/Long