USA TODAY got an early look at Carnival’s Celebration Key in the Bahamas; complete with massive lagoons, shady swing bars, ...

The 2005-built ship now has new slides in the WaterWorks aqua park, a revitalized spa and a Heroes Tribute Bar & Lounge.

For the purpose of this comparison, we used seven-night eastern Caribbean cruises on Carnival Celebration and Royal Caribbean's Wonder of the Seas, both of which began sailing in 2022.