Maybe not the most original attraction that can be found in Italy, but remains one of the most famous and popular points of interest of the Italian tourist.
It is known worldwide for its blue color and its vastness, the Grotta Azzurra is a true spectacle. Departing from Navy with speedboats, and making the island tour stop at the entrance of the cave. To enter the Blue Grotto we must use small boats, to be shared not more than 3 people, the passage, which allows the entry through the gate very low. Once inside the view is completely blue. Its height is 7 m and 14 at the center of the cave while the cavity of erosion is about 60 meters long. The blue color of the Blue Grotto is due to an underwater window that filters the light absorbing the red rays and leaving go the blue ones.
