If you've ever watched a child come down a water slide for the first time, you understand the appeal of an on-site water park. The squeal, the splash, the immediate "again!" That kind of joy is hard to manufacture, and a proper water park delivers it on tap. The hotels in this collection have built water parks that work for the whole family at once. Think splash zones and gentle slides for the under-fives, bigger drops and racing lanes for older kids, and lazy rivers or wave pools where everyone can float together. The best of them are large enough that lines stay manageable even at peak afternoon, and shaded enough that you're not retreating indoors by noon. The standout properties are typically the bigger resorts in the Canary Islands, Turkey, Greece, and the Caribbean, where the water park is a genuine destination in its own right. With the water park doing the heavy lifting, parents can settle into a nearby lounger with a cold drink and let the children disappear into hours of self-directed fun, popping back occasionally to report on their latest conquest. That's a family vacation working exactly as it should. Below are the top family hotels with a water park, sorted by overall score.