The beach has a mixture of coarse gravel and the water is immediately deep. The beach of Porto Columbu is short as a beach and suitable for bathing only near the port.
Porto Columbu is found in the municipal area of Sarroch, in the locality of Perd' e Sali and it is reached by going along the SS 195 main road, and following, after the intersection with the inhabited area of Sarroch, the signposts for Perd’ e Sali.