From Oristano or Cabras, head for Torre Grande and take SP 6 in direction San Giovanni and Tharros. From San Giovanni Church head for the sea, among the houses. Near the last two houses, you will find a sign indicating the presence of the WWF Nature Sanctuary.
Entering the Park, go ahead until you reach a large trail, follow it and turn left across a pine wood, reach the following crossroads, and keep right, walking until you reach the wonderful beach.