YES. Children have their own swimming area, complete with water slides.
The SeaPlex, a sports complex, composed of game rooms and a lot of kid-friendly attractions like an arcade, video game rooms, archery room, bumper cars, and claw machines.
Some of the shows at the Royal Theatre are also wholesome, which kids can enjoy.
The Spectrum of the Seas also has a so-called Adventure Ocean program, which is basically a youth club or day care, where children ages 3 to 11 can play with other kids. Parents can drop off their kids here.