Leaving Santo Domingo, get the Las Americas highway, keep the sea on your right and go to east direction (Boca Chica, San Pedro).
Go straight and stay always on the right hand, along the shore, never tur left, 16 km after Boca Chica you will reach Guayacanes before San Pedro.
At the end of the village, there is the Playa Esmeralda hotel and you will see a blue sign on the right at km 51/52 of the highway and a larger sign on the building of the hotel.