List with the most beautiful churches
On the northern side of Mathraki, there is the small church of Saint Nicolas, protector of the seafeares, as most residents in Mathraki occupy with fishing.
In Diaplo islet, there is a small church dedicated to Saint Nicolas. The legend says that Saint Nicolas once petrified a pirate ship when they tried to devastate Mathraki. The ship was turned into the three rocky islets Plaka, Lispo and Karavi next to Diaplo.