May 24th in Greece. Today we will visit two more islands. First, Heraklion on the island of Crete. Second, we will make our final stop at the island of Santorini. After leaving Santorini, we sail overnight back to Athens.  The ruins of Akrotiri on the island of Santorini  is the most importand archeological site there.  Santorini is known as one of the most atrractive islands in the area.