The best all-inclusive resort in Mexico depends on one thing: what you plan to do between meals. Want to snorkel with sea turtles? Book the Riviera Maya. Want a short flight from the US and wild nightlife? Cancun. Want desert-meets-ocean luxury without spring break energy? Los Cabos. I’ve split this guide by coast and traveler type. No vague “top 10” list. Just specific resorts, real drawbacks, and which one to book for your exact trip. Riviera Maya: Best for Food and Activities The Riviera Maya stretches from Puerto Morelos down to Tulum. It has the best snorkeling, cenotes, and archaeological…