Cape St. Mary's Ecological Reserve is a Conservation area located in Newfoundland and Labrador.

• Latitude: 46° 49' 55'' North   (decimal: 46.831946)
• Longitude: 54° 9' 57'' West   (decimal: -54.165919)
• Topography Feature Category: Conservation area
• Geographical Feature: Ecological Reserve
• Canadian Province/Territory: Newfoundland and Labrador
• Atlas of Canada Locator Map: Cape St. Mary's Ecological Reserve
• GPS Coordinate Locator Map: Cape St. Mary's Ecological Reserve Lat/Long