Downtown (El Centro) is the actual backbone of Cancún. What it lacks in history, it makes up for being a true melting pot — an exciting mix of the old traditional Mexico and an ultra-modern urban sprawl. Avenida Tulum, the main street, passing through the heart of the city, is easy to reach by public transport. The street is lined with shops, cafés, bars, and restaurants. Be sure to stop by Parque de las Palapas, on the market square, where locals come to chat and watch the entertainment provided by various local groups. The lively atmosphere and the sound of Mexican music are infectious, and any worries will quickly be postponed to "mañana." Browse around the artisan stalls and try some of the local sweet delicacies or visit the "Hippie Market" around the corner. In the evenings, the place to be is Avenida Yaxchillan with its lively restaurants and bars, popular with locals and tourists alike.

Cayos Zapatillas offer some of the best skin diving in the marine park, windward from Crawl Cay. The variety of underwater ecosystems includes fan gardens and coral reefs. Choose from a variety of depths and currents to suit your skills. More intrepid and experienced divers can explore a series of nearby caves at a depth of 40 feet and require underwater lights.

The sky canopy tour on Bastimentos Island is a great rush for adventure seekers. You can spend the morning relaxing at Red Frog beach and hike over to the canopy tour for the ropes course and tons of treetop ziplining. There are seven zip lines and excellent tour guides that are knowledgeable and friendly. Kids are welcome but will have to meet weight and height restrictions.