Norwegian Sun is the third and final ship of this design. She was preceded by Norwegian Sky (entered service in 1999, relaunched as Pride of Aloha in 2004); and Costa Victoria of Costa Cruises (entered service in 1996). NCL defines both Norwegian Sun and Norwegian Sky as Sky class ships.
Norwegian Sun is scheduled to sail along the Alaskan coast between Vancouver and Whittier during the summer of 2013. In September 2013, she will position through the Panama Canal to Miami to sail 10-night and 11-night eastern and southern Caribbean itineraries during the winter season of 2013/14. In April 2014, she will return to Alaska for the summer of 2014, and then she will sail the Caribbean from Tampa in 2014/15. In previous years, she has sailed the Caribbean from Miami, New Orleans and Port Canaveral, and she has also sailed in Europe.