This half-day tour combines snorkeling in the Caribbean sea or inlet with an amazing underground river/cenote adventure. You will visit the second largest reef in the world in front of Tankah bay and then a 600-meter long cave, where you can see the different types of limestone formations and learn about the meaning and importance that these cenotes have in these region. Your tour includes Pick up, Drop off, Transportation to the sites, Entrance fees, Lunch, Equipment and a guide all the time.