There was never much at Cenchrea besides the famous Cenchrea Lighthouse. Otherwise, theres some docks and a bunch of fishermen. Although it always had potential as a proper port city, it never managed to become more than a rest stop for ships leaving the Colossae or en route to Gethsemene. Appropriately, even the scourge didn't care much for the place. They ransacked it, smashing the piers and toppling the grand lighthouse, and then they left.