Harbour Island, Bahamas offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Harbour Island is known for its Pink Sands Beach, Dunmore Town, and the historic Loyalist Cottage. The best time to travel to Harbour Island, Bahamas, is from December to April, when the average air temperature is around 75-85°F (24-29°C) and the water temperature is approximately 75-80°F (24-27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!