Cancun’s version of strip of hotels, resorts, restaurants, bars and shopping
Chitchen Itza Mayan Ruins Coastal Ruins of Tulum
Xenotes (cenotes) are deep water wells and rivers that run underground. There are several throughout Cancun, Riviera Maya and Tulum. Take a centote tour or any of the Tulum day tours will include a cenote portion to explore. Some cenotes you can visit yourself they are open to the public. See tour sites below https://www.islandlifemexico.com/best-cenotes-in-yucatan/ https://www.xenotes.com/en/
Visit one of these amazing Eco Parks. They are water park, theme park and amusement park rolled in to one. There are several throughly Cancun.