Aegean Shipwrecks Undersea Archaeologists Discover Ancient Shipwrecks Off Kasos Island 6 years ago Archaeologists have discovered ancient and medieval shipwrecks off the Dodecanese island of Kasos, according to Greece's Ministry of Culture. Ancient Aegean Shipwrecks Give Up Secrets From the Time of Cleopatra 7 years ago Five archaeological shipwrecks from the 3rd Century BC has been found beneath the sea off tiny Levitha Island.