Definitely no 5 star quality (I would say max. 3). You have to enter through a metal detector. Room of 107 euro/night is small and smells stuffy. Air-co noisy and doesn't function right. No ventilation in the bathroom. Fountain doesn't flush very well, etc. View moderate. From the roof terrace you can see a tiny piece of the Bosporus. Only positive thing is wireless internet, we booked another (excellent) hotel the very same day.