Marks Bank is a Shoal located in Algoma, Ontario.

• Latitude: 46° 17' 8'' North   (decimal: 46.2855555)
• Longitude: 83° 49' 36'' West   (decimal: -83.8266666)
• Topography Feature Category: Shoal
• Geographical Feature: Bank
• Canadian Province/Territory: Ontario
• Location: Algoma
• Atlas of Canada Locator Map: Marks Bank
• GPS Coordinate Locator Map: Marks Bank Lat/Long