Ferries Poland - ferry connection from/to Poland

• Polferries (PL) Ferry connecting Poland with Denmark and Sweden:
  Gdańsk-Nynäshamn - Świnoujście - Ystad - Świnoujście - Copenhagen
• Stena Line (SW) Ferry connecting Sweden with Poland: Karlskrona >< Gdynia
• Unity Line (PL) Modern conventional Ferry Poland to Sweden: Szczecin  >< Ystad