Gordon Barrie Island, Canada offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Gordon Barrie Island, Ontario, Canada, is known for its proximity to the scenic beauty of Manitoulin Island and the North Channel of Lake Huron. The best time to travel to Gordon Barrie Island, Canada, is during the summer months of July and August, when the average air temperature is around 10-15°C (50-59°F) and the water temperature is approximately 5-10°C (41-50°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!