Km 277 Parana River. General description : The principal port activity is the loading of grain and agricultural by-products. Description of berths : The port has two basins : Quay Nº1 : for ocean going vessels. Quay Nº2 : for small craft/home trade vessels. The loading rate is about 700 tph and the total storage capacity at the elevator and adjacent sites is 138,000 tons.