These are two small pebbled beaches with marvellous blue waters, naturally formed inside two carved rocky bays placed next to each other. They are located on the southern part of Sikinos, secluded and accessed by boat or through a path if you don't mind walking a long distance. santorineika are ideal for people who like adventure and diversified landscapes as they are not the conventional coasts but they are not suggested for families with young children due to the rocky coast and seabed.