Background: I am 37 years old, married , two children ages 5 and 3. I have been on 15 cruises, first time on Princess. Chose the Royal Princess for its luxury during a Thanksgiving vacation.
The good:
This ship is amazing, elegant, luxurious, modern and relatively easy to navigate through. Venues are either in the Piazza, a stunning place to relax, grab a drink and take it all in, or in the aft section of the ship. The Ship NEVER felt crowded. Pool deck is not as bad as other reviews. There are two pools dedicated just for adults.
Silly design if traveling with four. The sofa bed and upper berth block about 90% of the balcony door when in use. Otherwise, balcony was of average size, functional.