Within the Gulf of Viticcio find a promontory that extends into the open sea, on the cliffs can be distinguished few rocks forming a skull similar to a pirate flag, this is the reason of the name of the dive. It starts from the landslide of rocks along the coast and other bigger rising from the sea gras Posidonia. All rocks are encrusted with colorful Poriferi and inhabited by many marine organisms such as big octopuses and scorpionfish. Almost always present also different types of nudibranchs. It 'a good place to do night dives and make the encounter with the beautiful Alicia Mirabilis.