Gatico, Chile offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Gatico, Antofagasta, Chile, is known for its proximity to the Atacama Desert, one of the driest places on Earth. The best time to travel to Gatico, Chile, is from December to February, with average air temperatures around 70°F (21°C) and water temperatures near 64°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!