This unique hotel is actually a fromer prison built by Ottomans in 1918, and kept many people within its walls. Today it is a home to Four Seasons brand hotel so you can expect to have 5-star prison service during your stay. Your cell will have views over Marmara Sea, and marble bathroom, cantene will serve fine selection of fish and meats to the live piano music and you will have to take spa treatments as punishment.
If you would like to shorten your sentence you can discover fascinating city of Istanbul with its amazing buildings, bazaars, markets while Haga Sophia, Topkapi Palace and Blue Mosque are all withing the reach. Very convenient!