Marriotts Cove, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Marriotts Cove is known for its proximity to the scenic Mahone Bay and the historic town of Lunenburg. The best time to travel to Marriotts Cove, Canada, is in July, when the average air temperature is around 22°C (72°F) and the water temperature is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!