With kids this young, the all-inclusive model saves your sanity: meals sorted, activities contained, one price absorbed upfront. Hyatt Ziva Cancun edges out the field for toddlers specifically—the private-peninsula setup means less chaos, actual beaches for sandcastle work, and a legit kids club that lets parents decompress. Moon Palace is the sprawling Swiss Army knife if you want more dining variety and older siblings entertained; Seadust is the solid middle ground if you want all-inclusive reliability without resort-scale overwhelm.