Greece – Crete – 12 dive sites: Sea caves near Chania, an open steamship wreck at Souda Bay and a WWII fighter off Hersonissos.
Greece – Cyclades & Dodecanese – 28 dive sites: Santorini's caldera, the Kea wrecks including HMHS Britannic, and the WWII wrecks of Leros – under Greece's guided, no-touch wreck rules.
Greece – Ionian Islands – 38 dive sites: Sulphur sea caves on Zakynthos, the blue caverns of Paxos and the walls of Corfu, Lefkada and Fiskardo.