Mars Bay Settlement, Bahamas offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Mars Bay Settlement is known for its proximity to the Andros Barrier Reef and the Blue Holes National Park. The best time to travel to Mars Bay Settlement, Bahamas, is from December to April, with average air temperatures around 75-85°F (24-29°C) and water temperatures 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!