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The catalogue
7 places to sift through. Narrow by kind, country, period or how firmly each one is established — contested and pseudoarchaeological claims are labelled here, never hidden.
🇬🇷 Greece · Submerged site
Classical to Late Antique (500 BCE – 600 CE) · Spartan / Roman
Sparta's naval harbour — Roman quays and 70 m concrete mole now at −4 m off Gytheio and Marathonisi, mapped by Flemming 1968–71.
🇬🇷 Greece · Submerged site
Archaic to Classical (680–350 BCE) · Thasian Greek / Thracian
Thasian colony 7th c. BCE at Nestos mouth — twin 90 m moles at −4 m in lagoon disputed by Thasos and Maroneia (Herodotus).
🇬🇷 Greece · Submerged site
Classical to Medieval (370 BCE – 1500 CE) · Megarian / Boeotian / Hellenistic
Megarian border fort — 18 m SE tower with original roof above 60 m mole at −2 m guarding Kithairon pass.
🇬🇷 Greece · Submerged site
Minoan to Byzantine (c. 2000 BCE – 6th c. CE) · Minoan / Mycenaean / Greek
Knossos' Minoan harbour at Amnisos — villa frescoes and 70 m quay now –1 to –3 m in surf below Eileithyia cave.
🇬🇷 Greece · Submerged site
Archaic to Medieval (800 BCE – 1522 CE) · Dorian Greek / Hellenistic / Roman / Venetian
Dodecanese butterfly island — 80 m mole and quays at −3 m beneath Querini castle hill and at Kaminakia Bay 36.5171N.
🇬🇷 Greece · Submerged site
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.
🇬🇷 Greece · Submerged site
Minoan to Late Roman (Bronze Age – 2nd c. CE) · Minoan / Dorian Greek / Hellenistic / Roman
Dorian Cretan harbour city subsided by 2nd c. quake — walls now snorkelable in 1–3 m off Elounda causeway.
