One chain goes across the sea to Chios , another one goes across Euboea to Samos , and a third one goes across the Peloponnese and Crete to Rhodes . This one divides ( splits , cuts ) the Aegean from the Mediterranean . One chain extends across the sea to Chios , another extends across Euboea to Samos , and a third extends across the Peloponnese and Crete to Rhodes , dividing the Aegean from the Mediterranean .