Piraeus under Lysander blockaded Piraeus and subsequently Athens surrendered to the Spartans, putting an end to the Delian League and the war itself. Piraeus would follow the fate of Athens and was to bear the brunt of the Spartans' rage, as the city's walls and the Long Walls were torn down; the Athenian fleet surrendered to the victors and some of the triremes burnt, while the "neosoikoi" were also pulled down. As a result, the tattered and unfortified port city was not able to compete with prosperous Rhodes, which controlled commerce. In 403 BC, Munichia was seized by Thrasybulus and the
Piraeus derby Piraeus derby The Piraeus derby, is an association football rivalry between Ethnikos Piraeus and Olympiacos, the 2 teams representing the city of Piraeus. Once a major derby, since Olympiakos' dominance the derby has lost importance over the years, however the rivalry still exists as the poaching of players and the ownership of the stadium still remain a point of contention. Although the importance of the derby has declined in football, the rivalry is still very much alive in other sports, especially water polo. Since the two clubs were established in the mid-1920s, Ethnikos' traditional local rival has been Olympiacos CFP,