Reserva Costa Atlantica, Argentina offers 1 beach perfect for sunbathing, surfing, swimming, and more. Reserva Costa Atlantica is known for its stunning natural landscapes and diverse wildlife, particularly the migratory bird species that attract birdwatchers from around the world. The best time to travel to Reserva Costa Atlantica, Argentina, is from December to February, with average air temperatures around 75°F (24°C) and water temperatures near 68°F (20°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!