Poste-Saint-Martin is a Unincorporated area located in Saguenay; Saguenay, Quebec and has an elevation of 52 meters.

• Latitude: 48° 25' 49'' North   (decimal: 48.4302778)
• Longitude: 70° 57' 22'' West   (decimal: -70.9561111)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Hameau
• Canadian Province/Territory: Quebec
• Elevation: 52 meters
• Location: Saguenay; Saguenay
• Atlas of Canada Locator Map: Poste-Saint-Martin
• GPS Coordinate Locator Map: Poste-Saint-Martin Lat/Long