The Marmara Guesthouse has a great location and is within a short walk of the Sultanahmet attractions. It is located off the Main Street and is safe and quiet. The room was clean and comfortable. There was no elevator but the hotel staff were kind enough to help with carrying my bags. Speaking of the staff, they were incredibly helpful and hospitable. Breakfast was average but served on the terrace which has a nice view of the Bosporus. I did get a little pushback from a taxi driver about driving down the narrow streets of Sultanahmet to the guesthouse. It is a 5-7 minute walk to the nearest tram station. Overall, this was a comfortable, convenient, no-frills stay that was a tremendous value.