Its spectacular sand dunes are set between the cliffs of Isola Rossa and Punta Li Canneddi. The Marinedda beach strikes for the contrast between the shades of its crystalline waters, the light of its sand and the red granite of the imposing rocks with varied shapes. It is a popular beach for windsurfers and hosts international specialty competitions every year in August. One part is equipped with deck chairs and umbrellas and offers various services for water sports and a sailing school.

In the immediate vicinity there is the small beach of Li Femini, especially sought after by families with small children. It is called Li Femini (“the women” in Gallura) because in the past it was here that women separated from men sunbathed.