Carnival Radiance is ranked 5 among Carnival cruise ships by U.S. News Travel. Check itineraries, photos and ratings from 522 travelers.

The reporters each sailed for seven nights in an interior and an ocean-view stateroom. They agreed that the larger space and window were worth the extra $700 on Royal Caribbean.

I booked two 185-square-foot rooms on the Carnival Legend for my family of five. My husband and I shared a windowless accommodation, and my three kids stayed in an ocean-view room.