Poland’s chief port cities are Gdansk, Gdynia, Szczecin and Swinoujscie. Sailors can also dock at one of the many marinas, for example in Kolobrzeg, Ustka, Darlowo and Leba.

There is a regular ferry service from Poland to Denmark and Sweden. Permanent lines link Poland with the following towns: Ystad, Karlskrona, Copenhagen, Nynäshamn (near Stockholm) and Rønne. Ferries depart from Swinoujscie, Gdynia and Gdansk.

The following companies operate ferry lines to and from Poland: Polferries, Stenaline, Unity Line.