Martins Corner is a Unincorporated area located in Renfrew, Ontario and has an elevation of 143 meters.

• Latitude: 45° 28' 29'' North   (decimal: 45.4747222)
• Longitude: 76° 53' 53'' West   (decimal: -76.8980555)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: Ontario
• Elevation: 143 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Martins Corner
• GPS Coordinate Locator Map: Martins Corner Lat/Long