Sifnos Blue Horizon House Kastro Endless Blue is located in Apollonia, just 1.6 miles from Seralia Beach and 3.9 miles from Chrisopigi Monastery. This property offers access to a terrace and free private parking. The vacation home is composed of 1 bedroom, a fully equipped kitchen, and 1 bathroom. A flat-screen TV is provided. The property offers garden views. Milos Island National Airport is 34 miles away.