My balcony cabin on Wonder of the Seas (left) and Icon of the Seas (right) have a $130-per-person-per-day difference in 2024. The cheaper one was my favorite. Brittany Chang/Business Insider ...

Icon of the Seas and Wonder of the Seas are Royal Caribbean's newest and largest cruise ships. I stayed in both of their balcony staterooms — a $130-per-person-per-day difference.