All kinds of cargo is transported in and out of Port of Piraeus every day. Watch ships sail in and out and giant cranes loading up stacks of containers.
When it comes to things to see and do in Athens, Port of Piraeus is a favorite with travelers. And in great news for your budget, it's free to enter. Acropolis Museum, Parthenon and Ancient Agora of Athens will fill in your day and are within reach of the waterfront industrial area.