Iskenderun Bay becomes polluted as Izmir and Izmit Bay. The Wastes of the countries where they have the beach to the Mediterranean, are draging up to Iskenderun Bay and also, the ships coming from different countries to Iskenderun Bay dropping their wastes waters to the beach. The problems of the Iskenderun Bay increase every year. In spite of pollution of the coast on southhern region, people swimming.The Iron-Stell Establishment is causes acid rain on the northern region of Iskenderun Bay.