One of Mexico’s largest Protected Areas. Sian Ka’an Biosphere Reserve is located near the Mayan Ruins of Tulum and is Mexico’s largest protected coastal wetland. Its name means in Maya “where the sky is born? and has been a UNESCO World Heritage Site since 1986. 
Sian Ka’an is Mayan for ‘Origin of the Sky’, and this exotic and fascinating place is no less than that. Declared as World Heritage by UNESCO in 1987, this natural reserve charms its visitors with its tropical forests, mangroves, marshes, and its large marine section intersected by a barrier reef; home for numerous endemic species.
During the tour you will enjoy a three-hour sailing outing, snorkel alongside colorful marine creatures in a coral reef, and look for crocodiles, dolphins, turtles and birds.
This tour includes round trip transportation, snacks, buffet meal, and non alcoholic beverages.
A specialized guide will lead you through the natural wonders that this natural reserve has. 
Price with transportation / Single
Adults: $190 Children: $170
Departure
-Monday, Wednesday, Friday, and Sunday from hotels in Cancun, Puerto Morelos, Riviera Maya, Playa del Carmen, and Tulum
-Hours: 6:30 am to 8:30 am (depending on the location of your hotel)
Included
-Roundtrip transportation
-Snorkelling gear
-Bilingual guide
-Snacks
-Botlled water
-Buffet meal
Not Included
Admission to the Sian Ka´an biosphere (USD $3 per adult)
Sian Kaan Tours
Duration: 1 day tour – 12 hours approximately Category: Nature and Adventure tour Departs: Every day Language: English, Spanish, German, French and Italian Sian Ka´an Biosphere is one of the most amazing and famous areas in the Riviera Maya. Sian Ka´an is a protected area and consist of multiple places. The historical site of Muyil is one of the places which the biosphere owns. Hike through the jungle and explore this remarkable Mayan temple. Besides, cross the lagoon by boat and be surprised about the abundance of flora and fauna and the beautiful mangroves of Sian Ka’ an. There is also the possibility to float on the water stream through the channels. The guide will tell you everything about the site, flora, fauna and lagoons. Experience a lot of unique places of the Riviera Maya in one day and be immersed by the beautiful nature of Sian Ka´an. SIAN KAAN PRIVATE TOUR PRICE
1-2 Pax: $ 690.00 USD 3-4 Pax $790.00 USD 5-6 Pax $890.00 USD
7-8 Pax $1,090.00 USD 9-10 Pax $1,290.00 USD