MV Regent Sky was an unfinished cruise ship that travelled to several locations during her uncomplete construction. She was initially being built in Poland as the cruise ferry Stena Baltica, one of four sister ships planned for the Stena Line. Still incomplete, she was purchased by Regency Cruises and moved to Greece, but her new owners filed for bankruptcy in 1995.The unfinished ship was sold for scrap in July 2011.