Estancia Yriarte, Argentina offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Estancia Yriarte, Chubut, Argentina, is known for its proximity to the Valdes Peninsula, a UNESCO World Heritage Site famous for its diverse marine wildlife including Southern right whales and Magellanic penguins. The best time to travel to Estancia Yriarte, Argentina, is during the spring months of September to November, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!