Sainte-Marthe-de-Gaspé is a Unincorporated area located in La Martre; La Haute-Gaspésie, Quebec and has an elevation of 20 meters.

• Latitude: 49° 12' 18'' North   (decimal: 49.205)
• Longitude: 66° 9' 42'' West   (decimal: -66.1616667)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Village
• Canadian Province/Territory: Quebec
• Elevation: 20 meters
• Location: La Martre; La Haute-Gaspésie
• GPS Coordinate Locator Map: Sainte-Marthe-de-Gaspé Lat/Long