There are tons of water-based attractions at Xcaret Park, including the underground river, a beach, natural pools, a lagoon, a high-speed boat ride, swimming with dolphins, stingrays and/or sharks, underwater walking, snuba and snorkeling. With so many water-based activities, chances are very good you will need a towel at Xcaret. You should bring your own towel to Xcaret Park, or you can easily rent one at the park for a small fee.