Seabourn Cruise Line is a luxury cruise line headquartered in Seattle, Washington. The line operates all around the world, from short seven-day Caribbean cruises to exotic 100+ day cruises around the world. It is owned by Carnival Corporation, part of the "World's Leading Cruise Lines" marketing group, which also includes Holland America Line, Princess Cruises, Carnival Cruises, Cunard Line, Costa Cruises, P&O Cruises, and AIDA Cruises.