Puerto Octay, Chile offers 1 beach perfect for sunbathing, surfing, swimming, and more. Puerto Octay is known for its picturesque views of Lake Llanquihue and the Osorno Volcano. The best time to travel to Puerto Octay, Chile, 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!