Retreat Lake is a Lake located in Saint John, New Brunswick and has an elevation of 49 meters.

• Latitude: 45° 8' 16'' North   (decimal: 45.1376888)
• Longitude: 66° 24' 6'' West   (decimal: -66.401528)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: New Brunswick
• Elevation: 49 meters
• Location: Saint John
• Atlas of Canada Locator Map: Retreat Lake
• GPS Coordinate Locator Map: Retreat Lake Lat/Long