Atlantida, Argentina offers 1 beach perfect for sunbathing, surfing, swimming, and more. Atlantida, Buenos Aires, Argentina, is known for the Atlantida Lighthouse and its scenic coastal views. The best time to travel to Atlantida, Argentina, is from December to February, with average air temperatures around 75°F (24°C) and water temperatures near 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!