Sian Ka’an Biosphere



Great video of Sian Ka’an biosphere (Ruta Maya tours).


CESiaK Centro Ecológico Sian Ka’an

The Centro Ecológico Sian Ka’an is an eco-tourism and environmental education organization created in the spring of 1998.  CESiaK focuses on environmental education as a means to encourage local understanding and support for the conservation of the Sian Ka’an Reserve.

Boat Tours

Discover the spectacular diversity of Flora and Fauna in Sian Ka’an while traveling the river trade route used by the ancient Mayan. Trip highlights include floating the mangrove’s shaded river and learning the areas natural history.

Bird Watching Sian Ka’an Tour (Seasonal Dec-Apr)

While the sun sets, experience an encounter with hundreds of tropical birds as the boat quietly floats by a spectacular nesting island. The trip includes comprehensive natural history, stunning wildlife viewing, and sit down dinner.

Kayak Adventures

Morning or Afternoon Guided Kayak Tour
Kayak through the Caapechen Lagoon and learn about the various flora, fauna, and ecosystems of the Reserve. CESiaK’s friendly, knowledgeable, and experienced naturalist guides will lead you to discover the natural wonders of Sian Ka’an.

Fly Fishing

All Day or Multi-Day Tour
CESiaK offers day trips and multi day packages for fly fishing in the world famous salt water lagoons of Sian Ka’an.

Bonefish, tarpon, permit, jack and barracuda flourish in the internationally protected waters of the Sian Ka’an Reserve. All of the guides have a minimum of ten years experience operating fishing trips within this pristine reserve. All are trained in local natural history and are eager to share knowledge of the abundant wildlife as well as the ancient Mayan civilization. Working in partnership with the local community, we provide the greatest wealth of regional knowledge available.