1st way, via the ring road (recommended): At the mole's exit in Kamares, turn left and follow the central road that leads to Apollonia, the capital of Sifnos. In about 5 km., just before entering into Apollonia, turn right on the ring road and follow the road signs to Platis Gialos.
2nd way, via Apollonia: At the mole's exit in Kamares, turn left and follow the central road that leads to Apollonia, the capital of Sifnos. In about 5,5 km, and after having passed through the village, turn right and follow the road signs to Platis Gialos.
When you get to the coast road of Platis Gialos, in about the middle of the way, on your right you will find Benaki hotel.