Flatland Reef is a Shoal located in Thunder Bay, Ontario and has an elevation of 198 meters.

• Latitude: 48° 14' 12'' North   (decimal: 48.2366666)
• Longitude: 89° 13' 59'' West   (decimal: -89.2330555)
• Topography Feature Category: Shoal
• Geographical Feature: Reef
• Canadian Province/Territory: Ontario
• Elevation: 198 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Flatland Reef
• GPS Coordinate Locator Map: Flatland Reef Lat/Long