Royal Caribbean Cruises Ltd. is a Norwegian / American company based in Miami, Florida. It is the world's second-largest cruise line operator, after Carnival Corporation & plc. As of March 2009, Royal Caribbean Cruises Ltd. fully owns five cruise lines: Royal Caribbean International, Celebrity Cruises, Pullmantur Cruises, Azamara Club Cruises and CDF Croisières de France, plus has a 50% stake in TUI Cruises. Previously Royal Caribbean Cruises also owned 50% of Island Cruises, but this was sold to TUI Travel PLC in October 2008.