Martineau Bay is a Bay located in Timiskaming, Ontario and has an elevation of 189 meters.

• Latitude: 47° 22' 55'' North   (decimal: 47.3819444)
• Longitude: 79° 34' 36'' West   (decimal: -79.5766666)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 189 meters
• Location: Timiskaming
• Atlas of Canada Locator Map: Martineau Bay
• GPS Coordinate Locator Map: Martineau Bay Lat/Long