🇫🇷 France · Submerged site
Sunken City off Fen
Jōmon (14000–300 BCE) · Jōmon
Sunken City off Fen in Occitanie, France is a Jōmon (14000–300 BCE) submerged city attributed to Jōmon culture.
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CategoriesSubmerged sites
Harbours, towns and monuments now beneath the sea or a lake.
🇮🇹 Italy · Submerged site
Archaic Greek to Late Antique (700 BCE – 5th c. CE) · Syracusan Greek / Sicilian Sicel
700 BCE Syracusan colony at Vendicari lagoon — quay slabs and fish tanks half in sea at –0.5 to –3 m behind 3.5 km walls.
🇫🇷 France · Submerged site
Jōmon (14000–300 BCE) · Jōmon
Sunken City off Fen in Occitanie, France is a Jōmon (14000–300 BCE) submerged city attributed to Jōmon culture.
🇹🇷 Turkey · Submerged site
Late Roman/Byzantine (c.350 CE commercial vessel 21 m) · Late Roman merchant (4th c. CE Yassi Ada 350 CE; later 7th c. Byzantine wreck same reef)
Yassi Ada Bass 1960 pioneer underwater arch, roman 4th and 7th wrecks same reef.
🇱🇧 Lebanon · Submerged site
Bronze Age to Medieval (3000 BCE–1300 CE) · Canaanite / Phoenician
Sidon Submerged Island Quarry and Breakwater in South Governorate, Lebanon is a Bronze Age to Medieval (3000 BCE–1300 CE) submerged-city attributed to Canaanite / Phoenician.
🇬🇧 United Kingdom · Submerged site
Upper Palaeolithic to Mesolithic · Maglemosian / Mesolithic hunter-gatherers
Vast Mesolithic plain linking Britain to Europe (11000–5500 BCE) with river valleys, forests, hunting camps surveyed via seismic and cores; inundated by post-glacial rise and Storegga tsunami 6200…
🇧🇸 Bahamas · Submerged site
Natural beachrock formation Pleistocene–Holocene; blocks in situ · Natural; Atlantis claim pseudo
Submerged linear arrangement of limestone blocks off Paradise Point, claimed 1968 as Atlantis road by validating Edgar Cayce prophecy; USGS and Eugene Shinn showed beachrock natural fractured along…
🇹🇷 Turkey · Submerged site
Archaic to Late Antique (700 BCE – 600 CE) · Dorian Greek / Carian / Roman / Byzantine
Dorian Myndus — 150 m causeway to Rabbit Island and drowned harbour walls at −3 m in Gümüşlük Bay, walkable at low tide.
🇺🇦 Ukraine · Submerged site
Classical to Medieval (422 BCE – 1400 CE) · Heracleian Doric / Byzantine
Western citadel harbour of Tauric Chersonesos in Quarantine Bay — 130 m mole at –2.5 m and ship-sheds.
🇮🇩 Indonesia · Submerged site
Pseudoarchaeology (2022–present) · Pseudoarchaeology (Gunung fringe extension)
Gunung Padang Sunda shelf 100 m pseudo-terrace offshore Java – shelf mangrove not harbour.
🇨🇾 Cyprus · Submerged site
Iron Age to Early Byzantine (1100 BCE – 648 CE) · Cypriot-Greek / Phoenician / Ptolemaic / Roman / Byzantine
Twin lagoon harbours of Evagoras's Salamis drowned 2.0 m — Flemming 1974 mapped diagonal causeway and quays at −2 m in Famagusta lagoon.
🇬🇷 Greece · Submerged site
Archaic Greek to Late Medieval (700 BCE – 1428 CE) · Greek / Elean / Frankish / Venetian
Crusader Glarentza mint-port (1205–1428) built atop Classical Kyllene trireme harbour — submerged moles at −5 m under north walls mapped by marine geophysics.
🇺🇦 Ukraine · Submerged site
Classical to Late Antique (5th c. BCE – 370 CE) · Kimmerian / Bosporan Greek
Lagoon harbour of Kimmerikon below Opuk Mountain — 80 m quay at –1.5 m behind pink lake lagoon spit with fortress walls 300 m.
🇬🇷 Greece · Submerged site
Archaic to Late Antique (c. 700 BCE – 600 CE) · Corinthian Greek / Roman
Saronic harbour of Corinth with twin Roman moles and submerged quay walls 1–3 m offshore at Kechries.
🇮🇳 India · Lost civilisation
Pleistocene aeolian limestone barrier-beach (5300 BCE barrier) + Tamil Sangam flood memory (~300 BCE) projected as lost continent pseudo 30ka pseudo at 9.09N 79.52E · Natural aeolian limestone barrier-island chain (Adam's Bridge 5300 BCE) + Tamil nationalist continental legend (Devaneya 1940)
Tamil Lemuria Kumari Kandam fantasy on Palk Strait Adam's Bridge — aeolian limestone bridge 50 km at –4 to –7 m claimed as submerged Kumari capital causeway.
🇮🇹 Italy · Submerged site
Phoenician to Late Antique (800 BCE – 600 CE) · Phoenician / Punic / Roman / Nuragic
8th c. BCE Nora Stone Phoenician colony — 120 m quay at −3 m off Capo di Pula isthmus with 7 wrecks at −8 m.
🇺🇦 Ukraine · Submerged site
Mid-Holocene forest to Late Antiquity · Milesian Greek / Roman
Northern channel breakwater of Olbia — 70 m mole at 4–6 m off Berezan approach with Holocene forest below.
🇷🇺 Russia · Submerged site
Archaic to Late Antiquity (600 BCE – 400 CE) · Ionian Greek / Bosporan
Western Achilles-shrine anchorage of Patrai — jetty and votive platform at 5–8 m off Achilleion Cape.
🇱🇧 Lebanon · Submerged site
Bronze Age to Crusader (c. 3000 BCE – 1291 CE) · Canaanite-Phoenician / Egyptian / Persian / Roman / Crusader
Phoenician Sidon's drowned quay beneath Crusader Sea Castle – ashlar mole and bollards at –1.5 to –4 m.
🇷🇺 Russia · Submerged site
Archaic to Late Antique (575 BCE – 500 CE) · Milesian Greek / Bosporan
Eastern Strait toll harbour of Patrai on Kerch Strait — 60 m quay at –1.8 m and customs house.
🇹🇷 Turkey · Submerged site
Hellenistic to Byzantine (300 BCE – 600 CE) · Seleucid / Roman / Byzantine
Antioch's silted harbour basin 600×400 m now meadow at Çevlik with 1.4 km Roman flood tunnel.
🇮🇱 Israel · Submerged site
Pre-Pottery Neolithic C (7000-6000 BCE) · PPN Culture
Atlitz Yam Submerged Courtyard North Wall — Southern Extension in Haifa District, Atlit, Israel is a Pre-Pottery Neolithic C (7000-6000 BCE) submerged city attributed to PPN Culture.
🇺🇦 Ukraine · Submerged site
Archaic to Late Roman (647 BCE – 4th c. CE) · Milesian Greek
Milesian Dnieper–Bug emporium — second-phase lower harbour terrace 2–6 m submerged under Bug Liman estuary.
🇷🇺 Russia · Submerged site
Classical to Late Antique (5th c. BCE – 370 CE) · Bosporan Greek
Chushka Spit ferry harbour of Porthmion at Kerch Strait — 100 m rubble causeway at –2 m with wheel ruts and customs quay 60 m.
🇷🇺 Russia · Submerged site
Archaic to Byzantine (550 BCE – 600 CE) · Sindian / Toretae / Bosporan
Northern reef roadstead off Gelendzhik — 90 m enhanced reef at 4–6 m with moorings linked to Bata chora.
