Insider's writer sailed on a Carnival Radiance cruise ship in an interior cabin and thinks the 185-square-foot room is the best deal for a quick trip.

Carnival Radiance is ranked 5 among Carnival cruise ships by U.S. News Travel. Check itineraries, photos and ratings from 513 travelers.

The Carnival ship hadn't even made its maiden voyage when I booked two ocean-view connecting rooms — one for me and my wife, and the other for our two boys, 12 and 15 years old at the time.