Haymarsh Bay is a Bay located in Rainy River, Ontario and has an elevation of 343 meters.

• Latitude: 48° 39' 30'' North   (decimal: 48.6583333)
• Longitude: 93° 20' 46'' West   (decimal: -93.3461111)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 343 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Haymarsh Bay
• GPS Coordinate Locator Map: Haymarsh Bay Lat/Long