Mary Basin is a Bay located in Nootka Land District, British Columbia and has an elevation of 10 meters.

• Latitude: 49° 47' North   (decimal: 49.7832999)
• Longitude: 126° 51' West   (decimal: -126.8499999)
• Topography Feature Category: Bay
• Geographical Feature: Basin
• Canadian Province/Territory: British Columbia
• Elevation: 10 meters
• Location: Nootka Land District
• Atlas of Canada Locator Map: Mary Basin
• GPS Coordinate Locator Map: Mary Basin Lat/Long