Tulum, cenotes, and the terrific snorkeling site of Yal Ku Lagoon make this day tour from Playa del Carmen one you must book. Walk through the ruins of Tulum, a bluff-top city overlooking the Caribbean Sea, and one of the last places inhabited by the Maya people. Discover cenotes and explore a lagoon teeming with marine life—the perfect spot for snorkeling. This guided day of culture, history, and adventure includes lunch and hotel transport.