Sian Ka’an Biosphere Reserve is located just south of Tulum, some 40 miles south of Playa del Carmen. Made up of 1.3 million acres of pristine, natural, protected land, Sian Ka’an is a UNESCO World Heritage Site, is home to 23 known archaeological site
Of all the cool places to visit in the Yucatan Peninsula – and there are many! - this one is near the top of the list. Rio Lagartos is a biosphere reserve at the north end of the Peninsula, sort of between Cancun and Merida, but north of the highway that connects these two cities.