Mayne Island is a Island located in Cowichan Land District, British Columbia and has an elevation of 68 meters.

• Latitude: 48° 50' 42'' North   (decimal: 48.845)
• Longitude: 123° 16' 51'' West   (decimal: -123.280833)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: British Columbia
• Elevation: 68 meters
• Location: Cowichan Land District
• Atlas of Canada Locator Map: Mayne Island
• GPS Coordinate Locator Map: Mayne Island Lat/Long