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CategoriesSubmerged sites
Harbours, towns and monuments now beneath the sea or a lake.
GR · Submerged site
Mycenaean to Late Roman (LH III – 5th c. CE harbour) · Mycenaean / Elean / Olympic
Olympia seaport — Homeric Pheia harbour basin and Pontikokastro islet now 4–6 m under Katakolo Bay.
GR · Submerged site
Mycenaean to Late Roman (LH – 3rd c. CE; Theban peak 5th–4th BCE) · Mycenaean / Boeotian / Theban
Boeotian shipyard port — twin 400 m moles at 3–4 m depth on Euboean Gulf, Theban naval base.
🇬🇧 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…
🇮🇳 India · Submerged site
Late Harappan to Historical (maybe 1500 BCE onward; claimed 3500 BCE) · Harappan(?) / Historical Hindu
Ancient sacred city of Krishna described in Mahabharata, being searched offshore Bet Dwarka and Gulf of Khambhat.
🇬🇷 Greece · Submerged site
Archaic to Roman (600 BCE – 5th c. CE) · Samian Greek / Ionian
Verified – Samos Heraion sacred mole 480 m at 2 m off Ireon, Hera sanctuary harbour. Polycrates 530 BCE mole, Herodotus 3.60 Samian harbour wonders. Excavated Kyrieleis 1960s German.
🇬🇷 Greece · Submerged site
Roman to Byzantine (1st BCE – 6th CE) · Roman / Greek
Verified – Roman maritime villa complex 1–2 m under Palaia Epidavros bay (Epidaurus sanctuary port). Villa maritima with mosaics, baths, fish tanks, moles 100 m at 1–2 m due to +1 m Roman rise.
🇬🇷 Greece · Submerged site
Early Helladic to Late Minoan · Minoan-influenced / Mycenaean
World's oldest known submerged town (c.3500–2800 BCE, occupation to 1000 BCE), submerged by earthquakes c.1000 BCE, with intact streets, two-storey houses, tombs, garden terraces off islet; never…
🇬🇷 Greece · Submerged site
Archaic to Late Roman (8th c. BCE – 7th c. CE) · Delian Greek / Cycladic
Verified – Delos sacred harbour between Delos and Rheneia channel 3 m subsided. Apollo sanctuary harbour 8th c. BCE Delian League treasury. Two moles 200 m at 2–3 m, warehouses.
🇧🇸 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…
🇮🇱 Israel · Submerged site
PPNB (6900–6300 BCE) · PPNB Neolithic
Pre-Pottery Neolithic B mega-village (6900–6300 BCE) submerged 300–400 m offshore after post-glacial sea rise, with stone wall 150 m, paved well 5.5 m deep (earliest seawall and well), megalithic…
🇪🇬 Egypt · Submerged site
Late Period to Byzantine (6th c BCE – 8th c CE) · Egyptian / Greek
Legendary port of entry to Egypt before Alexandria, submerged after earthquake/liquefaction 6th–8th century CE, rediscovered 2000 by Franck Goddio (IEASM) with stele of Nectanebo I, temples of…
🇮🇳 India · Submerged site
Claimed 7500 BCE (dated wood not architecture) · Unknown claimed
2001 NIOT sonar detection of putative paleo-river channel structures and rectangular blocks at 20–40 m depth, announced as 9,000-year city; follow-up coring disputed.
🇯🇲 Jamaica · Submerged site
Early Modern (1518–1692) · English colonial / pirate
Infamous pirate capital of Caribbean ('Wickedest City in the World'), 2/3 slid into harbour by liquefaction in 1692 earthquake + tsunami, preserving 17th c storehouses under sediment - 'Pompeii of…
🇱🇾 Libya · Submerged site
Greek to Byzantine (6th c. BCE–7th c. CE) · Greek / Roman (Cyrenaica)
Submerged roadstead at Ras al Hilal with quay blocks 2–4 m deep.
🇱🇾 Libya · Submerged site
Hellenistic to Roman (4th c. BCE–5th c. CE) · Ptolemaic / Roman
Submerged mole of Antipyrgos in Tobruk Bay (2 m deep) with Hellenistic tower.
🇹🇷 Turkey · Submerged site
Classical · Classical
Classical submerged-city at Central Anatolia.
🇯🇵 Japan · Submerged site
Bronze Age · Bronze Age
Bronze Age submerged-city at Aomori.
🇮🇳 India · Submerged site
Neolithic · Neolithic
Neolithic submerged-city at Haryana.
🇵🇪 Peru · Submerged site
Classical · Classical
Classical submerged-city at Huanuco.
🇵🇪 Peru · Submerged site
Classical · Classical
Classical submerged-city at Huanuco.
🇵🇪 Peru · Submerged site
Neolithic · Neolithic
Neolithic submerged-city at Huanuco.
🇯🇵 Japan · Submerged site
Neolithic · Neolithic
Neolithic submerged-city at Aomori.
🇵🇪 Peru · Submerged site
Iron Age · Iron Age
Iron Age submerged-city at Huanuco.
🇯🇵 Japan · Submerged site
Hittite · Hittite
Hittite submerged-city at Aomori.
