The Ona Ortakoy project, which was built in Istanbul on an area of 6 thousand and 797 square meters, consists of 95 apartments in 4 connected buildings. The project includes 3 + 1 apartments only and their area from 150 to 205 square meters. The project contains security, outdoor pool, indoor pool, sauna, fitness center, sea view, walking paths and parking lots, and the project is one of Istanbul real estate for sale with good services.