- Trafaria Praia: On the Waterfront THE PORT CITY OF LISBON AND THE CACILHEIROS Lisbon is a major European port city. The ship, the Trafaria Praia is a “cacilheiro,” or Lisbon ferry. The cacilheiros connect the two banks of the River Tagus. Their customers are primarily commuters who live in Lisbon’s industrial southern suburbs—historically one of the most unionized regions of […]