🇬🇷 Greece · Submerged site
Olous (Olus) – Sunken Dorian City
Minoan to Late Roman (Bronze Age – 2nd c. CE) · Minoan / Dorian Greek / Hellenistic / Roman
Dorian Cretan harbour city subsided by 2nd c. quake — walls now snorkelable in 1–3 m off Elounda causeway.