Beach variations Derbyshire Gal 4 years ago Advertisements Tzortzi Gialos beach and Kokkino Kastro show the vast variation of beaches on Alonnisos. From white pebbles to deep red cliffs, all of the beaches have their own unique characters. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Share on Pinterest (Opens in new window) Pinterest