LİLYUM TRADITIONAL TURKISH BATH
Lilyum is a hammam and spa inside the Aspera Golden Horn Hotel in Beyoğlu, close to Karaköy and Şişhane. Its website says the hammam and therapy rooms are used by one booking at a time, and the hammam packages include a sauna, steam room and rest area. It is open daily 09:00–23:00, reservations are required, and prices are in euros, starting at €50 for the traditional hammam.