Tulum combines ancient ruins, cenote diving, and a fashionable beach scene in a way few other Riviera Maya destinations manage. Here are ten things worth your time. The Tulum Ruins, a clifftop Mayan archaeological site directly above the Caribbean, are best visited at opening time to beat both heat and crowds. Gran Cenote and Dos Ojos offer accessible, beautiful freshwater sinkhole snorkelling, with Dos Ojos connecting to a vast cave system for certified divers. Tulum Beach's long white sand, backed by boho-chic beach clubs, is the area's signature relaxation spot — a day pass at a club secures loungers and food. The Sian Ka'an Biosphere Reserve, a UNESCO-listed wetland south of town, offers boat and kayak tours through mangroves and lagoons unlike anything else nearby. Coba, a less-crowded ancient site than Chichen Itza, still allows visitors to climb one of its pyramids — an increasingly rare experience at Mexico's major ruins. A bicycle rental is less an activity and more the essential way to move between Tulum Pueblo, the ruins, and the beach road throughout your stay. Casa Tequila or similar tasting experiences offer an evening activity beyond the beach, with guided tequila and mezcal tastings available at several venues. A yoga class, widely available given Tulum's wellness-focused reputation, fits naturally into the area's relaxed, health-conscious atmosphere. Akumal, a short drive north, offers the chance to snorkel alongside sea turtles in a protected bay, a worthwhile half-day addition. Finally, simply timing a sunset at the ruins or beach — Tulum faces east, so sunrise here is often more dramatic than sunset, worth knowing before planning your golden-hour photos. Rent a bicycle for getting around, and check current sargassum conditions if pristine beaches are a priority, since seaweed levels vary seasonally.