Marcil Bay is a Bay located in Thunder Bay, Ontario and has an elevation of 197 meters.

• Latitude: 48° 35' 59'' North   (decimal: 48.5997222)
• Longitude: 88° 17' 12'' West   (decimal: -88.2866666)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 197 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Marcil Bay
• GPS Coordinate Locator Map: Marcil Bay Lat/Long