Cachagua, Chile offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Cachagua is known for its beautiful Cachagua Beach and the nearby Cachagua Island, which is a protected area home to a colony of Humboldt penguins. The best time to travel to Cachagua, Chile, is from December to February, with average air temperatures around 68°F (20°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!