Second for dimension in from Tuscany Archipelago, the Island of the Giglio with its limpid and generous sea is ideal place for one underwater vacation. Impressive is the number of possible immersions around to the Island in connection with its extension; every feature of sea practically offers opportunity for unforgettable explorations. Under the cost or on sand banks to the wide one, easy meets nearly every species of Mediterranean pelagico fish, and fish of every type and ransom are completely usual to meet: Saraghi, Tanute, Dentici, Fishing-line, Ricciole, Tonni, Barracuda and Pesci Luna let to approach in one most colorful natural scenografic. In this I found we find them also beautiful walls precious from Gorgonie white women, yellow and red, the whose colors alter as depths increase. In the infinite lairs of I found them turns out unavoidable the encounter with Murene, Gronchi, Cernie and Aragoste also to limited depths; in fact wrap it varied interesting from the 15 to the 35 meters. Spugne, Tunicati, Parazoanti, Anemoni and Spirografi cover the below cliff giving life to a natural biological laboratory of extreme interest. For who anchor it had not begun practical the underwater one exists the possibility to practice the snorkeling, than sure it will give to great satisfactions discovering under the surface of the water a fantastic world. Not to lose instead, for underwater, the tip of the Capel Rosso, the Fenaio, the Scole, the sand bank of the Cross, the Crow and the tip of Sand banks, that they are only some of the immersion possibilities that offers the Island to us of the Giglio. Putting the head under the water the visitor will only be able to say to have known the true fascination of the Island.