Oasis, Quantum (Quantum Class pictures coming soon), and Freedom Class have diapered swim areas on all of their ships. From there, it becomes ship dependent, not class dependent.
For older kids looking for slides, The Perfect Storm is a winding pair of slides, aptly named Typhoon and Cyclone, where you can race down to the bottom! On Freedom of the Seas and Adventure of the Seas, The Perfect Storm is made up of the two slides, Typhoon and Cyclone but on Oasis, Symphony, and Harmony, a third slide has been added to The Perfect Storm called Supercell and on Liberty of the Seas the third slide in The Perfect Storm is called The Tidal Wave where riders board a raft to experience the first boomerang slide at sea! The minimum height for The Perfect Storm is 48 inches but the maximum weight requirements vary so you’ll have to check when you board your ship.
The Amplification process (What does if mean if a Royal Caribbean ship has been Amp’ed Up?) on many ships upgraded the water area for kids from an H20 Zone to a full fledged Splashaway Bay complete with expanded sections for diapered and potty trained kids, though original H20 Zones also have a diapered and non-diapered side. Splashaway Bay features colorful slides, water canons, fountains and, of course, a drench bucket! On the side that is available to potty trained kids, the minimum height requirement for the slide is 42 inches. Splashaway Bay has typically been open for all day fun but is currently operating on a modified schedule on the currently sailing Freedom of the Seas.
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Oasis Class
Oasis of the Seas
Symphony of the Seas
Harmony of the Seas
Allure of the Seas
Allure was scheduled for Amplification in 2020 but has not yet been amplified like her sister ships due to the covid shutdown. This is H20 Zone, because it lacks the upgraded slides, and drench buckets- it still has some interactive water features and my kids still loved it! Allure is still a Royal Caribbean favorite!
Freedom Class
Freedom of the Seas
Updated in 2019
Independence of the Seas
Liberty of the Seas
Voyager Class
Voyager of the Seas
Aerial view of Perfect Storm. No diapered area for kids.
Navigator of the Seas
In the image bellow the H20 Zone is at the bottom of the picture. If you look closely you can see the pool is divided into two sides. The left for diapered kids and the right for non-diapered. It may be more sparse than some other ships, but I find that the little ones don’t always have the stamina for the Caribbean heat and often times this is still perfectly sufficient.
Adventure of the Seas
Majesty of the Seas
Majesty is a smaller ship, not part of any of the larger class ships.
Empress of the Seas
Empress is a smaller ship, not part of any of the larger classes.