Cape St. Mary's is a Unincorporated area located in St. Mary's-The Capes, Newfoundland and Labrador.

• Latitude: 46° 49' 22'' North   (decimal: 46.8227777)
• Longitude: 54° 11' 44'' West   (decimal: -54.1955555)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Locality
• Canadian Province/Territory: Newfoundland and Labrador
• Location: St. Mary's-The Capes
• Atlas of Canada Locator Map: Cape St. Mary's
• GPS Coordinate Locator Map: Cape St. Mary's Lat/Long