All-inclusives are the smart move for budget-minded families in Cancun—meals, drinks, and kids' clubs are locked in upfront. Iberostar Selection Cancun has the edge if calm water matters (Punta Nizuc stays glassy when the rest of the zone churns), plus its water park and structured Star Camp keep kids occupied. Hotel Riu Caribe just got a full refresh and feels newer, with five pools and RiuLand programming. Both are solid; pick based on your priority: placid beach or fresher rooms.