Foster Island is a Island located in Parry Sound, Ontario and has an elevation of 178 meters.

• Latitude: 45° 41' 18'' North   (decimal: 45.6883333)
• Longitude: 80° 36' 39'' West   (decimal: -80.6108333)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 178 meters
• Location: Parry Sound
• Atlas of Canada Locator Map: Foster Island
• GPS Coordinate Locator Map: Foster Island Lat/Long