Algarrobo, Chile offers 11 beaches perfect for sunbathing, surfing, swimming, and more. Algarrobo is known for the San Alfonso del Mar resort, which features one of the world's largest swimming pools. The best time to travel to Algarrobo, Chile, is from December to March, with average air temperatures around 70°F (21°C) and water temperatures around 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!