Antofagasta, Chile offers 28 beaches perfect for sunbathing, surfing, swimming, and more. Antofagasta is known for its stunning coastal views and proximity to the Atacama Desert. The best time to travel to Antofagasta, Chile, is from December to March, when the average air temperature is around 20-25°C (68-77°F) and the average water temperature is approximately 18-20°C (64-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!