🇮🇱 Israel · Submerged site
Akko (Acre) – Ptolemais Submerged Crusader Harbour
Middle Bronze to Ottoman (c. 2000 BCE – 1917 CE) · Canaanite / Phoenician / Hellenistic / Roman / Crusader / Ottoman
Crusader capital's double harbour – Hellenistic mole 100 m at –3 m and Tower of Flies islet mole submerged.