🇪🇸 Spain · Submerged site
Empúries (Emporion) – Greek–Roman Double Harbour
Archaic to Late Roman (575 BCE – 500 CE) · Phocaean Greek / Indiketan / Roman
Phocaean double harbour – Greek quay at –0.5 m off Neapolis and silted Riells basin, L'Escala.
🇱🇰 Sri Lanka · Submerged site
Mantai – Anuradhapura's Submerged Port, Mahatittha
Iron Age to Portuguese (c. 800 BCE – 1500 CE) · Anuradhapuran / Indo-Roman / Islamic
Anuradhapura's lagoon harbour – jetty at –1 m off Mantai dunes and silted basin under mangrove.