Mark Rock is a Shoal located in Newfoundland and Labrador and has an elevation of 0 meters.

• Latitude: 47° 31' 45'' North   (decimal: 47.5291666)
• Longitude: 54° 14' 57'' West   (decimal: -54.2491666)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Newfoundland and Labrador
• Elevation: 0 meters
• Atlas of Canada Locator Map: Mark Rock
• GPS Coordinate Locator Map: Mark Rock Lat/Long