Follow the main highway south, towards Playa del Carmen and Tulum. You will stay on this highway until you reach Tulum pueblo, past Playa del Carmen and Akumal. Once you reach Tulum, turn left at the first stop light, towards Boca Paila and Punta Allen (Before the main town). At the end of the road, you'll hit a T intersection, turn right and follow the road, we are right in front of Ahau hotel.
You can take a taxi directly from the airport, but expect to pay between 800-1000 pesos www.cancun-airport.com
We highly recommend using this shuttle service: http://www.tucankin.com One way costs $44 and you can reserve online in English
Go to www.ado.com.mx where you will find all departure and arrival times. Outside the bus station in Tulum there are taxi’s waiting which will take you to Yoga Shala Tulum in 10 minutes.