Los Antiguos, Argentina offers 1 beach perfect for sunbathing, surfing, swimming, and more. Los Antiguos is known for its stunning natural landscapes and proximity to the beautiful Lake Buenos Aires, making it a popular destination for travel and beach tourism. The best time to travel to Los Antiguos, Argentina, is during the summer months of December to February, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!