Constantzia Balneohotel is in Kostenets and provides guests with free access to the indoor mineral pool. There is also a seasonal outdoor pool with mineral water at a surcharge. The hotel features an in-house restaurant, serving European dishes and a bar. Public WiFi is free. Аmenities at Constantzia Balneohotel also include massages, a steam bath and a variety of treatments using local mineral water. Cable TV and free toiletries are provided in the hotel rooms, which have a private bathroom with a shower. It is 5.6 mi to the town center.