The biosphere reserve of Sian Ka'an is a widely known non-government and non-profit organization. It is maintained by groups of wildlife activists and conservationists in the Tulum municipality.

The Sian Ka'an reserve itself is located in the Quintana Roo, a Mexican state, but its reputation travels far across the world. As a matter of fact, tourists from all over the world visit the Yucatan Peninsula just to see the Sian Ka'an biosphere reserve.