St. Mary's Bay is a Bay located in Kenora, Ontario and has an elevation of 334 meters.

• Latitude: 49° 44' 46'' North   (decimal: 49.7461111)
• Longitude: 94° 28' 57'' West   (decimal: -94.4825000)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 334 meters
• Location: Kenora
• Atlas of Canada Locator Map: St. Mary's Bay
• GPS Coordinate Locator Map: St. Mary's Bay Lat/Long