At 800 feet in length, the Bolt: Ultimate Sea Coasters ... But, hey, it's a roller coaster, on a cruise ship, more than 180 feet above the sea. Ships that have them: Quantum of the Seas, Anthem ...

Carnival Cruise Line and rival Royal Caribbean ... bolder features to its ship. Its Excel-class ships offer the Bolt roller coaster, a first-of-its-kind attraction at sea, and each new ship ...