With kids this young, you need a property where the toddler infrastructure is baked in, not bolted on. Beaches Turks & Caicos and Hyatt Ziva Cap Cana are the gold standard here — both built explicitly for your age range with water parks, character programming, and the kind of babysitting-free flexibility all-inclusives promise. Beaches edges ahead on sheer reputation and beach quality; Hyatt wins if you want quieter and slightly more upscale. Nickelodeon and Barceló's Family Club offer solid value plays if budget matters more than wow-factor. For the price-conscious, Beaches Negril delivers nearly identical programming at roughly 30% less.