Discover the 3 islands of Ria Formosa Natural Park on a catamaran tour. Visit Ilha Deserta, Ilha do Farol, and Ilha da Culatra and make stops to swim, try seafood, and watch Portuguese oyster farming. Highlights . Explore the Ria Formosa Natural Park and its islands . Swim in the waters of Ilha Deserta, the southernmost point of mainland Portugal . Enjoy lunch at a traditional fresh fish restaurant . Try local Ria Formosa oysters . Discover the difference in the cultures of the 3 islands Includes . Professional skipper . Snorkeling masks . Life jackets . Lunch . Other food, drinks, and snacks