Sebastos Harbor

About

The largest artificial harbor built in the open sea anywhere in the ancient world, enclosing about 40 hectares behind breakwaters poured from hydraulic concrete shipped over 1,000 kilometers from Puteoli, Italy. Herod built it from nothing in a decade, giving Judaea a deep-water port on a coastline that had none. By 117 CE the harbor was already quietly failing — slow tectonic sinking and weak spots in the underwater concrete had begun pulling sections of both breakwaters beneath the waves.

What happened here

Sailing season runs roughly from spring to autumn and the port lives by it. Ships anchor in the outer basin and warp in, or are unloaded by lighters if they draw too much. Cargo comes ashore under the eye of a customs officer taking a percentage, is weighed, and goes into warehouses along the quay. Grain for Rome is the priority and everything else waits behind it. Amphorae are stacked, checked, and the broken ones dumped. Gangs of porters work by the load; shipping agents and guild offices cluster round the harbour square, advertising routes in mosaic on the floor. Divers work the bottom for dropped cargo. In winter the ships are hauled out and the whole place goes quiet.

Sources

• https://web.uvic.ca/~jpoleson/ROMACONS/Caesarea2005.htm
• https://www.ancientportsantiques.com/a-few-ports/caesarea-maritima/

Nearby

Temple of Roma and Augustus, Caesarea

58 m

Herod's Promontory Palace

300 m

Herod's Hippodrome, Caesarea

754 m

The Herodian Theatre of Caesarea

917 m

The High-Level Aqueduct of Caesarea

2.4 km

Fortress of Legio VI Ferrata (Legio/Caparcotna)

27 km