Postans Bay is a Bay located in Thunder Bay, Ontario and has an elevation of 467 meters.

• Latitude: 48° 39' 58'' North   (decimal: 48.6661111)
• Longitude: 90° 22' 43'' West   (decimal: -90.3786111)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 467 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Postans Bay
• GPS Coordinate Locator Map: Postans Bay Lat/Long