Visit an isolated community of Mayans where your will discover the excitement of swimming in the crystal clear waters of an amazing cenote and snorkeling in a fascinating underground river. Delight in a peaceful bay of the Caribbean, navigate in kayak to a beautiful coral reef where you will snorkel and admire the impressive variety of tropical fish. This expedition includes: 4x4 adventure ride in Mercedenz Benz Unimog, kayak and snorkel gear, all day multilingual adventure guide, Mayan guides at locations, entrance fee to Nohoch, lunch and drinks. Recommendations: bring comfortable footwear to walk in the jungle, swimming gear, extra T-shirt, towel, camera and extra cash (tips, pictures and souvenirs). Important: this expedition is not recommended for people with severe back problems, any severe physical or motor handicap, serious heart problems, or for obese people or for those who suffer from claustrophobia or do not know how to swim. Children under 6 years, pregnant women and people under the effects of alcohol or drugs will not be permitted to participate in this expedition.