Casa do Infantado, Portugal offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Setubal is known for the Arrabida Natural Park, Troia Peninsula, and its vibrant fish market. The best time to travel to Casa do Infantado, Portugal, is from May to September, when the average air temperature is around 70-80°F (21-27°C) and the water temperature is approximately 65-75°F (18-24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!