Mac's Lake is a Lake located in Manitoulin, Ontario and has an elevation of 243 meters.

• Latitude: 45° 52' 16'' North   (decimal: 45.8711111)
• Longitude: 82° 51' 41'' West   (decimal: -82.8613888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 243 meters
• Location: Manitoulin
• Atlas of Canada Locator Map: Mac's Lake
• GPS Coordinate Locator Map: Mac's Lake Lat/Long