Terrasse-Théoret is a Unincorporated area located in Sainte-Marthe-sur-le-Lac; Deux-Montagnes, Quebec.

• Latitude: 45° 31' 11'' North   (decimal: 45.5197623)
• Longitude: 73° 56' 36'' West   (decimal: -73.9432103)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Secteur résidentiel
• Canadian Province/Territory: Quebec
• Location: Sainte-Marthe-sur-le-Lac; Deux-Montagnes
• GPS Coordinate Locator Map: Terrasse-Théoret Lat/Long