Cape Saint Marys, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Cape Saint Marys is known for Cape Saint Marys Lighthouse and the nearby Cape Saint Marys Ecological Reserve, which is a popular birdwatching destination. The best time to visit Cape Saint Marys, Canada, is from June to September, when the average air temperature is around 15-20°C (59-68°F) and the water temperature is approximately 10-15°C (50-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
