Yes, Romania has a beach. One of the most popular things to do in Constanta is to spend a day at Mamaia Beach. Mamaia is a long strip of sand that stretches for 8 kilometers, making it one of the longest beaches in Europe. Visitors can sunbathe, swim, or windsurf in the warm waters of the Black Sea. Mamaia also has a wide variety of restaurants and bars, as well as a lively nightlife scene.