Port of Trstenik is located on the south side of the Peljesac peninsula. Years ago it was a ferry port that connected the mainland to the island Mljet. Port is also equipped with water and electricity. The boat can moor side on the inner side of the breakwater. There is room for 5 to 6 vessels. Port is protected from all winds. The water depth along the coast is 2-3 meters on the head of the breakwater all the way to five meters. In the port there is also a restaurant, bar and post office.