Boundary Islands is a Island located in Thunder Bay, Ontario and has an elevation of 183 meters.

• Latitude: 48° 0' 35'' North   (decimal: 48.0097222)
• Longitude: 89° 31' 51'' West   (decimal: -89.5308333)
• Topography Feature Category: Island
• Geographical Feature: Islands
• Canadian Province/Territory: Ontario
• Elevation: 183 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Boundary Islands
• GPS Coordinate Locator Map: Boundary Islands Lat/Long