Nice free beach on the shore of the Marmara Sea. There are a lot of locals on weekends. If you are in favor of a relaxing holiday, I advise you to come on weekdays.
There is a toilet and a shower that is always occupied.
A Russian traveler of this area should understand that you are a stranger there. Many Istanbul residents do not even know English. They will throw glances at you ) A European woman was sunbathing next to us. There was one. So it's all right)