Nelly Bay is a Bay located in Manitoulin, Ontario and has an elevation of 182 meters.

• Latitude: 46° 4' 52'' North   (decimal: 46.0811111)
• Longitude: 81° 40' 3'' West   (decimal: -81.6674999)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 182 meters
• Location: Manitoulin
• Atlas of Canada Locator Map: Nelly Bay
• GPS Coordinate Locator Map: Nelly Bay Lat/Long