MS Sirena Seaways
 The MS Sirena Seaways (formerly the Dana Sirena) is a RoPax ferry operating between Harwich and Esbjerg for DFDS. Hull construction is steel with aluminum alloy superstructure. Initially christened MS Golfo Dei Delfini she was acquired by DFDS before entering service and rebuilt with extra passenger accommodation. In 2013 a DFDS rebranding exercise saw her name change to Sirena Seaways.