Grassy Islands is a Island located in Mackenzie, Northwest Territories and has an elevation of 159 meters.

• Latitude: 61° 4' 0'' North   (decimal: 61.0667886)
• Longitude: 116° 45' 5'' West   (decimal: -116.7513974)
• Topography Feature Category: Island
• Geographical Feature: Islands
• Canadian Province/Territory: Northwest Territories
• Elevation: 159 meters
• Location: Mackenzie
• Atlas of Canada Locator Map: Grassy Islands
• GPS Coordinate Locator Map: Grassy Islands Lat/Long