This long beach with dark sand is a very popular place for a holiday. All the facilities you need are around. The views of the rock - Mesa Vouno - rising from the sea are especially spectacular during night!
Wikipedia https://en.wikipedia.org/wiki/Kamari
Address Παναγίας Μυρτιδιωτίσσης, Καμάρι 84700, Greece
Coordinates 36°22'35.781" N 25°29'6.815" E