Clearly coasts that are the privileged parts of the nature are very important sources. On the contrary of beliers theyare scarce sources and can be used up very easily. On the coasts, filled areas that have been made for solution of some problem such as traffic in the city, affect ecological balance but their recreational usage can become a solution to green area problem in big cities like istanbul. For those reasons, in this research determination of user potential, user characteristics and usage variation of filied areas was aimed in istanbul's waterfront's parks at Florya, Bakırköy, Zeytinburnu, Samatya.