Norwegian Sky is a Sky class cruise ship owne and operated by Norwegian Cruise Line. She was ordered by Costa Cruises as Costa Olympia from the Bremer Vulkan shipyard in Germany, but she was completed in 1999 by the Lloyd Werft shipyard in Bremerhaven, Germany for the Norwegian Cruise Line under the name Norwegian Sky. Between 2004 and 2008 she sailed as Pride of Aloha for NCL America.