🇪🇬 Egypt · Submerged site
Myos Hormos — Eastern Reef Channel Harbour at Marsa Nakari
Mid-Holocene reef to Late Roman · Roman Egyptian
Outer reef channel of Myos Hormos — 22 m reef cut with Roman concrete at 2–5 m breach at Marsa Nakari.
🇪🇬 Egypt · Submerged site
Quseir al-Qadim — Southern Roman Anchorage (Leukos Limen South)
Roman to Early Islamic (1 CE – 800 CE) · Roman / Byzantine / Early Islamic
Southern roadstead of Quseir al-Qadim — 65 m coral breakwater at –3 m and mangrove quay.
🇪🇬 Egypt · Submerged site
Menouthis – Submerged Canopic City of Isis
Late Pharaonic to Late Byzantine (380 BCE – 8th c. CE) · Egyptian-Greek / Greco-Roman / Byzantine
Canopic Isis oracle town adjoining Heracleion — sanctuary and quays 5–8 m down in Abu Qir Bay.
🇪🇬 Egypt · Submerged site
Wadi Gawasis — Mersa Gawasis Pharaonic Harbour at Saww (Red Sea) — v2
Old Kingdom to New Kingdom (2500 – 1400 BCE) · Middle Kingdom Egyptian
12th dynasty pharaonic harbour at Mersa Gawasis — limestone anchor shrine with Senusret stele at –1 m and 8 cedar anchors at –1.5 m.
🇪🇬 Egypt · Submerged site
Quseir al-Qadim — Mangrove Harbour Extension at Marsa Nakari West (Leukos Limen West)
Roman to Mamluk (25 BCE – 1450 CE) · Roman / Islamic (Ayyubid-Mamluk)
Western mangrove bay of Quseir al-Qadim at Marsa Nakari west — gypsum quay at –1.2 m and 14th c. Islamic warehouses.
🇪🇬 Egypt · Submerged site
Heracleion Central Temple Amun-Gereb Statue Base
Bronze Age to Classical (2000 BCE–300 CE) · Bronze Age–Classical
Heracleion Central Temple Amun-Gereb Statue Base in Alexandria, Heracleion, Egypt is a Bronze Age to Classical (2000 BCE–300 CE) submerged city attributed to Bronze Age–Classical.
🇪🇬 Egypt · Submerged site
Thonis-Heracleion Submerged Stele of Nectanebo
Bronze Age to Classical (2000 BCE–300 CE) · Bronze Age–Classical
Thonis-Heracleion Submerged Stele of Nectanebo in Alexandria, Heracleion, Egypt is a Bronze Age to Classical (2000 BCE–300 CE) submerged city attributed to Bronze Age–Classical.
🇪🇬 Egypt · Submerged site
Pharos of Alexandria Foundation Blocks Submerged
Bronze Age to Classical (2000 BCE–300 CE) · Bronze Age–Classical
Pharos of Alexandria Foundation Blocks Submerged in Alexandria, Pharos, Egypt is a Bronze Age to Classical (2000 BCE–300 CE) submerged city attributed to Bronze Age–Classical.
🇪🇬 Egypt · Submerged site
Eastern Harbour of Alexandria – Pharos Debris & Caesareum Quays
331 BCE – Medieval (331 BCE – 1422 CE harbour active) · Ptolemaic/Hellenistic / Roman / Byzantine
Alexandria's Portus Magnus — twin harbour, Heptastadion mole and 3500 fallen Pharos blocks 4–12 m down in Eastern Harbour.
🇪🇬 Egypt · Submerged site
Pharos Eastern Harbour Submerged Breakwater
Bronze Age to Classical (2000 BCE–300 CE) · Bronze Age–Classical
Pharos Eastern Harbour Submerged Breakwater in Alexandria, Egypt is a Bronze Age to Classical (2000 BCE–300 CE) submerged city attributed to Bronze Age–Classical.
🇪🇬 Egypt · Submerged site
Thonis Agridi Submerged Ptolemaic Anchorage
Bronze Age to Classical (2000 BCE–300 CE) · Bronze Age–Classical
Thonis Agridi Submerged Ptolemaic Anchorage in Alexandria, Egypt is a Bronze Age to Classical (2000 BCE–300 CE) submerged city attributed to Bronze Age–Classical.
🇪🇬 Egypt · Submerged site
Clysma (Suez) – Roman Nile–Red Sea Canal Harbour
Pharaonic to Islamic (1870 BCE – 642 CE) · Pharaonic / Ptolemaic / Roman / Byzantine / Early Islamic
Trajanic canal harbour 500×300 m silted 2 m under Suez – lock gates at +2 m.
🇪🇬 Egypt · Submerged site
Ayn Sukhna — Galala Harbour at Wadi al-Jarf North Anchorage (Pharaonic)
Old Kingdom to New Kingdom (2600 – 1200 BCE) · Old Kingdom Egyptian
Northern Galala pharaonic anchorage of Ayn Sukhna — sandstone quay at –1.5 m and 100 m slipway for Sneferu Sinai fleet.
🇪🇬 Egypt · Submerged site
Thmuis (Tell el-Timai) – Submerged Mendesian Canal Port
Late Dynastic to Arab (c. 600 BCE – 640 CE) · Egyptian / Persian / Ptolemaic / Roman / Byzantine
Mendesian Nile canal port – quay 120 m and grain horrea at –0.5 m on migrated Mendesian branch.
🇪🇬 Egypt · Submerged site
Quseir al-Qadim — Southern Roman Anchorage Extension
Ptolemaic to Islamic (280 BCE – 1400 CE) · Ptolemaic / Roman / Ayyubid
Quseir/Myos Hormos southern twin basin — Roman concrete mole and Ayyubid jetty 0.3–1.2 m submerged south of main harbour.
🇪🇬 Egypt · Submerged site
Thonis-Heracleion Annex — Central Canal House Islets
Saite to Roman (550 BCE–50 BCE Thonis = Heracleion Greek; 8th c. BCE Canopic temple) sank 100–300 CE subsidence and liquefaction · Egyptian-Saite → Ptolemaic Thonis first port before Alexandria with Decree of Sais 380 BCE twin stelae (Rosetta precursor) and Amun of Gereb
Thonis Goddio 2000 rediscovery after10 m, temple Amun Gereb with Sais stele 380 BCE.
🇪🇬 Egypt · Submerged site
Sacred Alexandria Ridge Inner — Alexandria, Pharos (58-19)
Early Historic (regional) · Early Historic
Sacred Alexandria Ridge Inner — Alexandria, Pharos (58-19) at Alexandria, Pharos, Egypt is a Early Historic (regional) submerged city of the Early Historic tradition, built c.
🇪🇬 Egypt · Submerged site
Royal Alexandria Enclosure Inner — Alexandria, Pharos (58-01)
Medieval (regional) · Medieval
Royal Alexandria Enclosure Inner — Alexandria, Pharos (58-01) at Alexandria, Pharos, Egypt is a Medieval (regional) submerged city of the Medieval tradition, built c.
🇪🇬 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.
🇪🇬 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.
🇪🇬 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.
🇪🇬 Egypt · Submerged site
Canopus — East Harbour Ancillary Quay North (Abu Qir)
Bronze Age to Classical (2000 BCE–500 CE) · Bronze–Iron Age maritime
Canopus — East Harbour Ancillary Quay North (Abu Qir) in Alexandria, Abu Qir, Canopus, Egypt is a Bronze Age to Classical (2000 BCE–500 CE) submerged city …
🇪🇬 Egypt · Submerged site
Canopus — Menouthis Islet City with Byz Baths Subsided
Ptolemaic to Byzantine (300 BCE–750 CE Canopus branch port extention, Justinian baths 500 CE) submerged 750 CE after 1303 liquefaction 1303 Crete 9 8.0? · Ptolemaic → Roman → Byzantine Canopic branch pilgrim shrine of Serapis and Osiris shrine
Canopus Goddio 2000 Byzantine and Osiris Serapis.
🇪🇬 Egypt · Submerged site
Fortress Citadel Submerged 100 — Egypt Region 4
Period Iron Age · Regional culture Submerged-Variant
Fortress Citadel Submerged 100 — Egypt Region 4 in Egypt Region 4, Egypt is a Neolithic submerged-city with stratified deposits and regional significance. Excavations reveal architectural phasing.