Aguantao, Chile offers 1 beach perfect for sunbathing, surfing, swimming, and more. Aguantao, Los Lagos, Chile, is known for its proximity to the stunning Puyehue National Park. The best time to travel to Aguantao, 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!