There are many different beautiful cenotes to check out throughout the Riviera Maya! Approx. 80 Kms South of Cancun, this would make for a great day trip.
Tulum is about a 2 hour drive from Cancun, but would make for a beautiful place to visit! If you do, the Tulum Ruins are a great site to explore!
Approximately 2.5 hours drive from Cancun, Chichen Itza is an archaeological site well known for its Chichen Itza Pyramid or El Castillo - the most astonishing Mayan Ruin or building inside the Archaeological Site.
Museo Maya Cancun and San Miguelito Ruins cover 80 hectares in Hotel Zone. The new museum opened in 2012 with all kinds of cool Mayan archeological relics. You will be able to walk among ruins, see ancient skeletons, jade relics, and artifacts from Chichen Itza and other Mayan sites around the Yucatan peninsula.
Potentially a great stop for after visiting the Tulum Ruins, Xel-Há in Tulum is a natural water park, with unlimited snorkeling, food and drinks!
Xcaret is a water park, theme, amusement, eco-archaeological and more, in one place. Due to its location in the Mayan jungle among underground rivers, cenotes and facing the Caribbean Sea, Xcaret has impressive sites where you can do different activities and enjoy them to the fullest.