I'll put in my "five cents" about the sanatorium, or, as it is officially called, the Karpaty hotel and resort complex. I rested twice: in May 2014 and in June 2015, I lived in a standard single room.
A good resort with many advantages and some disadvantages. Well-groomed territory, close location to the pump room, water and mud baths, a resort clinic, a magnificent well-maintained beach.