Bimini Bay, Bahamas offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Bimini Bay, Bimini, Bahamas, is known for its crystal-clear waters and world-class fishing opportunities. The best time to travel to Bimini Bay, Bahamas, is from December to April, with average air temperatures around 75-80°F (24-27°C) and water temperatures about 73-77°F (23-25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!