Baiae — Imperial Villa Underwater Park Fault Block Portus Julius

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Why it mattersKey Roman Imperial luxury littoral (Marius → Augustus → Nero → Hadrian) submerged-city with stratified sequence and regional typology.

Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.

Built

c. 100 BCE villae; 130 CE Hadrian villa; Portus Julius 37 BCE Agrippa canal

Period

Roman Imperial (100 BCE–500 CE Baiae resort) subsided bradyseism -7 m post-Roman

Culture

Roman Imperial luxury littoral (Marius → Augustus → Nero → Hadrian)

Purpose

171 ha underwater Roman city — Baiae 60 villas (Nymphaeum of Claudius with 6 emperor statues) submerged 5 m by bradyseism 7 m at -7 m with intact mosaic villa of Protiro

Rediscovered

Modern excavation 1885

Excavation

Excavated

1. c. 100 BCE villae; 130 CE Hadrian villa; Portus Julius 37 BCE Agrippa canal

   Initial construction / first occupation at Baiae — Imperial Villa Underwater Park Fault Block Portus Julius

2. c. 200 CE major extension

   Major expansion / refurbishment at Baiae — Imperial Villa Underwater Park Fault Block Portus Julius

• Baiae — Imperial Villa Underwater Park Fault Block Portus Julius — Principal Harbour

  harbour

  harbour at Baiae — Imperial Villa Underwater Park Fault Block Portus Julius — subsidiary complex

  40.8209° N · 14.0804° E

• Baiae — Imperial Villa Underwater Park Fault Block Portus Julius — Northern Wall

  wall

  wall at Baiae — Imperial Villa Underwater Park Fault Block Portus Julius — primary structure

  40.8204° N · 14.0780° E

• Baiae — Imperial Villa Underwater Park Fault Block Portus Julius — Southern Temple

  temple

  temple at Baiae — Imperial Villa Underwater Park Fault Block Portus Julius — primary structure

  40.8227° N · 14.0780° E