Ruby Islet is a Island located in Renfrew, Ontario and has an elevation of 108 meters.

• Latitude: 45° 55' 34'' North   (decimal: 45.9261111)
• Longitude: 77° 15' 21'' West   (decimal: -77.2558333)
• Topography Feature Category: Island
• Geographical Feature: Islet
• Canadian Province/Territory: Ontario
• Elevation: 108 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Ruby Islet
• GPS Coordinate Locator Map: Ruby Islet Lat/Long