The 35 caves of Capo Palinuro represent one of the main centers of interest in speleomarino in Europe. Among these wonders, the best known and most visited is the "Grotta Azzurra", 85 meters long and 90 wide, which is located at Cala Guarracini and crosses the northern part of Capo Palinuro. Another very famous cave is the "Silver" one located further south, in Cala Lanterna, whose walls reflect the color of the precious metal that takes the water to mix the sea water with the thick sulphurous water. . Among the others we still remember the "Grotta dei Monaci", the "Grotta Preistorica or delle Ossa", the "Grotta del Sangue", and the "Grotta Sulfurea".