The Best Cruise Lines in the World

1. Crystal Cruises
A two-ship line no longer, Crystal introduced a yacht to its fleet in early 2015. Crystal Esprit, equipped with its own two-person submersible, as well as butler service for every suite (all cabins are suites), has space for just 62 passengers to enjoy cruises within its focus regions of the Seychelles, Adriatic, and West Indies. The line will also introduce a luxurious 200-passenger expedition ship in 2020, Crystal Endeavor, which sails to remote locations like the Arctic and Antarctic, as well as urban ports around the world.