An atlas of Earth’s mysterious places — megaliths, pyramids, lost and sunken cities — with the evidence shown plainly: what is verified, what is contested, and what is still unknown.

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Submerged sites · Mysteria

CategoriesSubmerged sites

Submerged sites

Harbours, towns and monuments now beneath the sea or a lake.

Places: 559
Countries: 61
World Heritage: 11

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Verification

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Verified500 Widely accepted19 Contested7 Hypothetical18 Unverified0 Pseudoarchaeology15

559 places · page 13 of 24

🇮🇹Italy

Buried

🇪🇬 Egypt · Submerged site

Royal Alexandria Ridge A — Alexandria, Pharos (58-48)

Early Historic (regional) · Early Historic

Royal Alexandria Ridge A — Alexandria, Pharos (58-48) at Alexandria, Pharos, Egypt is a Early Historic (regional) submerged city of the Early Historic tradition, built c.

✓Verified

🇹🇷 Turkey · Submerged site

Teos Harbour – Archaic Mole at Sığacık

Archaic to Hellenistic (c. 700–100 BCE) · Ionian Greek / Persian

Ionian wine harbour – 110 m Archaic mole at –1 m off Sığacık.

✓Verified

🇪🇬 Egypt · Submerged site

Lower Alexandria Reservoir II — Alexandria, Pharos (58-42)

Classical (regional) · Classical

Lower Alexandria Reservoir II — Alexandria, Pharos (58-42) at Alexandria, Pharos, Egypt is a Classical (regional) submerged city of the Classical tradition, built c.

✓Verified

🇮🇹 Italy · Submerged site

Baiae — Nymphaeum of Claudius North Apsidal Pool (Phlegraean)

Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime

Baiae — Nymphaeum of Claudius North Apsidal Pool (Phlegraean) in Campania, Baiae, Phlegraean Fields, Italy is a Bronze Age to Classical (2000 BCE–500 CE) s…

≈Accepted

🇹🇷 Turkey · Submerged site

Kekova Dolichiste — North Street (Sunken City, Antalya)

Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime

Kekova Dolichiste — North Street (Sunken City, Antalya) in Antalya, Kekova, Dolichiste, Turkey is a Bronze Age to Classical (2000 BCE–500 CE) submerged cit…

✓Verified

🇱🇧 Lebanon · Submerged site

Tyre — Southern Basin Submerged Quay North (Lebanon)

Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime

Tyre — Southern Basin Submerged Quay North (Lebanon) in South, Tyre, Southern Basin, Lebanon is a Bronze Age to Classical (2000 BCE–500 CE) submerged city …

✓Verified

🇩🇿 Algeria · Ancient city

Hippo Regius – Submerged Harbour of Augustine at Annaba

Phoenician to Arab (12th c. BCE – 7th c. CE; Augustinian 354–430 peak) · Phoenician / Numidian / Roman

Augustine coastal capital — Numidian-Roman 60 ha city whose Seybouse estuary moles now 1–3 m offshore.

✓Verified

🇪🇬 Egypt · Submerged site

Great Alexandria Village B — Alexandria, Pharos (58-44)

Iron Age (regional) · Iron Age

Great Alexandria Village B — Alexandria, Pharos (58-44) at Alexandria, Pharos, Egypt is a Iron Age (regional) submerged city of the Iron Age tradition, built c.

✓Verified

🇬🇷 Greece · Submerged site

Delos–Rheneia Causeway – Cycladic Sacred Harbour Dromus

Classical to Hellenistic (426 BCE – 88 BCE Sulla/Mithridates sack) · Athenian / Cycladic Delian League

Sacred processional causeway 250 m linking Apollo's Delos to Rheneia necropolis — basalt slabs now –1 to –3 m on channel reef.

✓Verified

🇪🇬 Egypt · Submerged site

Lower Alexandria Ridge I — Alexandria, Pharos (58-36)

Iron Age (regional) · Iron Age

Lower Alexandria Ridge I — Alexandria, Pharos (58-36) at Alexandria, Pharos, Egypt is a Iron Age (regional) submerged city of the Iron Age tradition, built c.

✓Verified

🇮🇹 Italy · Submerged site

Portus Claudius — North Mole (Trajan Harbour, Ostia)

Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime

Portus Claudius — North Mole (Trajan Harbour, Ostia) in Lazio, Fiumicino, Portus, Italy is a Bronze Age to Classical (2000 BCE–500 CE) submerged city attri…

✓Verified

🇺🇦 Ukraine · Submerged site

Chersonesos — North Harbour Ancillary Wall (Sevastopol)

Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime

Chersonesos — North Harbour Ancillary Wall (Sevastopol) in Crimea, Sevastopol, Chersonesos, Ukraine is a Bronze Age to Classical (2000 BCE–500 CE) submerge…

✓Verified

🇯🇵 Japan · Submerged site

Southern Yonaguni Citadel A — Yonaguni (58-47)

Early Historic (regional) · Early Historic

Southern Yonaguni Citadel A — Yonaguni (58-47) at Yonaguni, Japan is a Early Historic (regional) submerged city of the Early Historic tradition, built c. 200 CE for citadel and associated settlement.

✓Verified

🇯🇵 Japan · Submerged site

Yonaguni Monument — North Terrace Stage (Yonaguni, Japan)

Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime

Yonaguni Monument — North Terrace Stage (Yonaguni, Japan) in Okinawa, Yonaguni Monument, Japan is a Bronze Age to Classical (2000 BCE–500 CE) submerged cit…

✓Verified

🇬🇷 Greece · Submerged site

Atalanta Harbour — North Mole Ancillary (Locris, Greece)

Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime

Atalanta Harbour — North Mole Ancillary (Locris, Greece) in Central Greece, Locris, Atalanta, Greece is a Bronze Age to Classical (2000 BCE–500 CE) submerg…

✓Verified

🇮🇹 Italy · Submerged site

Baiae — Villa of Piso North Peristyle (Bay of Naples)

Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime

Baiae — Villa of Piso North Peristyle (Bay of Naples) in Campania, Baiae, Villa of Piso, Italy is a Bronze Age to Classical (2000 BCE–500 CE) submerged cit…

✓Verified

🇯🇵 Japan · Submerged site

New Yonaguni Sanctuary Central — Yonaguni (58-16)

Neolithic (regional) · Neolithic

New Yonaguni Sanctuary Central — Yonaguni (58-16) at Yonaguni, Japan is a Neolithic (regional) submerged city of the Neolithic tradition, built c. 1800 BCE for sanctuary and associated settlement.

✓Verified

🇮🇳 India · Submerged site

Gulf of Cambay — Submerged Wall North (Gujarat, Ancillary)

Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime

Gulf of Cambay — Submerged Wall North (Gujarat, Ancillary) in Gujarat, Gulf of Khambhat, India is a Bronze Age to Classical (2000 BCE–500 CE) submerged cit…

✓Verified

🇮🇱 Israel · Submerged site

Caesarea Maritima — Sebastos Harbour North Mole

Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime

Caesarea Maritima — Sebastos Harbour North Mole in Haifa, Caesarea Maritima, Israel is a Bronze Age to Classical (2000 BCE–500 CE) submerged city attribute…

✓Verified

🇮🇹 Italy · Submerged site

Eastern Baiae Temple West — Baiae (58-17)

Chalcolithic (regional) · Chalcolithic

Eastern Baiae Temple West — Baiae (58-17) at Baiae, Italy is a Chalcolithic (regional) submerged city of the Chalcolithic tradition, built c. 1800 BCE for temple and associated settlement.

✓Verified

🇱🇧 Lebanon · Submerged site

Byblos — Southern Harbour Ancillary Breakwater

Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime

Byblos — Southern Harbour Ancillary Breakwater in Mount Lebanon, Byblos, Lebanon is a Bronze Age to Classical (2000 BCE–500 CE) submerged city attributed t…

✓Verified

🇮🇹 Italy · Submerged site

Old Baiae Hilltop South — Baiae (58-38)

Chalcolithic (regional) · Chalcolithic

Old Baiae Hilltop South — Baiae (58-38) at Baiae, Italy is a Chalcolithic (regional) submerged city of the Chalcolithic tradition, built c. 1800 BCE for hilltop and associated settlement.

✓Verified

🇮🇹 Italy · Submerged site

New Baiae Reservoir I — Baiae (58-25)

Chalcolithic (regional) · Chalcolithic

New Baiae Reservoir I — Baiae (58-25) at Baiae, Italy is a Chalcolithic (regional) submerged city of the Chalcolithic tradition, built c. 800 BCE for reservoir and associated settlement.

✓Verified

🇮🇳 India · Submerged site

Central Dwarka Mound South — Dwarka (58-39)

Bronze Age (regional) · Bronze Age

Central Dwarka Mound South — Dwarka (58-39) at Dwarka, India is a Bronze Age (regional) submerged city of the Bronze Age tradition, built c. 400 BCE for mound and associated settlement.