A photograph of The Tunnel of Love Rock Formation In the waters of the Mediterranean Sea off the Coast of the Island of Capri in Italy. The rock formation looks like the same type of rock the forms the island of Capri and there is a hole in it that create a tunnel that boats can pass through. There are a few rock formations in the waters along the coastline of the island of Capri which adds to the beauty when cruising around the island in a boat.