Formosa Island is a Island located in Muskoka, Ontario and has an elevation of 243 meters.

• Latitude: 45° 12' 14'' North   (decimal: 45.2038888)
• Longitude: 79° 36' 58'' West   (decimal: -79.6161111)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 243 meters
• Location: Muskoka
• Atlas of Canada Locator Map: Formosa Island
• GPS Coordinate Locator Map: Formosa Island Lat/Long