Yes. Only Split to Vela Luka, Split to Korčula Town, Hvar Town to Korčula Town and Hvar Town to Vela Luka sail all year; the other lines are seasonal. Milna to Korčula Town runs April to October. Bari to Dubrovnik runs April to mid-October. Split to Prigradica, Budva to Dubrovnik, Kotor to Dubrovnik and Hvar Town to Prigradica run June to September.