Antsianitia, Madagascar offers 1 beach perfect for sunbathing, surfing, swimming, and more. Antsianitia is known for its proximity to the Anjohibe Caves and the Katsepy Lighthouse in the Boeny region of Madagascar. The best time to travel to Antsianitia, Madagascar, is from May to October, with average air temperatures around 25°C (77°F) and water temperatures near 24°C (75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!