Xi beach ( Kefalonia ) is about 40 km from Argostoli and 10 km from Lixouri. It has this name because it is shaped like the letter X. It is a very popular beach on the island, surrounded by white cliffs and a reddish brown sand and it is organized with umbrellas and sunchairs and a bar serving drinks and snacks. There are also water sports available on the destination. The water is shallow -- perfect for families.