Grandfathers Cove is a Bay located in St. Mary's-The Capes, Newfoundland and Labrador.

• Latitude: 46° 58' 3'' North   (decimal: 46.9675000)
• Longitude: 53° 37' 32'' West   (decimal: -53.6255555)
• Topography Feature Category: Bay
• Geographical Feature: Cove
• Canadian Province/Territory: Newfoundland and Labrador
• Location: St. Mary's-The Capes
• Atlas of Canada Locator Map: Grandfathers Cove
• GPS Coordinate Locator Map: Grandfathers Cove Lat/Long