Mark Rock is a Shoal located in Range 3 Coast Land District, British Columbia and has an elevation of 48 meters.

• Latitude: 52° 7' 20'' North   (decimal: 52.1222000)
• Longitude: 127° 50' 45'' West   (decimal: -127.8457999)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: British Columbia
• Elevation: 48 meters
• Location: Range 3 Coast Land District
• Atlas of Canada Locator Map: Mark Rock
• GPS Coordinate Locator Map: Mark Rock Lat/Long