Strait Feronia is a passenger, freight and vehicle or ROPAX ferry owned and operated by StraitNZ as part of its Bluebridge subsidiary. The ship is a twin of MS Liverpool Seaways. The vessel was initially named Mersey Viking and saw service in the Irish Sea, eventually being renamed Dublin Viking and then Dublin Seaways. The vessel was acquired by the Stena Line and renamed Stena Feronia and saw service between Tangier and Algericas and later between Kiel and Gothenburg.