The Kastellos apartments started operating in the summer of 2015. They are consisted of three apartments each with a separate name, Santorineika, Dialiskari and Voreino Avlaki.
The unique location of the apartments allows guests to enjoy the beautiful coast of Allopronia just 50 meters from the apartments, on a beautiful sandy beach and choose to drink or dine overlooking the sea. All apartments are equipped with kitchen, refrigerator, hairdryer, TV, private balcony and wifi. Also  free transfer is available on arrival and departure from and to the port.
The apartments are located in the port of Sikinos (Alopronia) and refrain from Hora (Castle) 3klm. Just a few meters from the apartments you can take the bus to Hora, the Episkopi, the Monastery and the beach of Agios Georgios. From the port there are daily boat trips to the beaches of Agios Georgios, Malta, Dialiskari, Santorineika and Agios Panteleimonas.