O'Brian Bay is a Unincorporated area located in Range 1 Coast Land District, British Columbia.

• Latitude: 50° 53' North   (decimal: 50.8832999)
• Longitude: 126° 49' West   (decimal: -126.8167000)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Post Office
• Canadian Province/Territory: British Columbia
• Location: Range 1 Coast Land District
• GPS Coordinate Locator Map: O'Brian Bay Lat/Long