Milos island has one of the most beautiful caves in Cyclades complex. It is PAPAFRAGKA CAVE 2 km W, right next to the archeological site on your way to Apollonia or Pollonia. Actually the cave constitutes of three consecutive caves. You can visit them by boat. All three caves are unique and beautiful. In the past, they were used as shelters and pirate hide-outs. The enchanting image they present is enhanced by the spectacular rock masses of Glaronissia towering just opposite the caves.