In Costa Verde, south of the beaches of Gutturu 'e flumini and Camp'e Sali, we arrive in Portu Maga, a coastal stretch made up of a long, low, rocky coast which gradually becomes sandy. Portu Maga beach, in a central position on the magnificent Costa verde in Arbus, has a medium-grained light sand bottom with some outcropping rocks. After the storms it is not difficult to find the famous Eyes of St Lucia, particular shells with mother-of-pearl reflections.