Explore Istanbul in three fascinating ways on this action-packed, 3.5 to 4-hour sightseeing tour by boat, then grab lunch in SultanAhmet. Take an amazing cruise between the two continents of Europe and Asia. Sail along the Bosphorus by the Dolmabahçe and Beylerbeyi Palaces, wooden villas and mansions, all the way up to the Rumeli Fortress near the Black Sea. See imposing Rumeli Fortress, Yildiz Palace and wooden Ottoman houses. Then head back to shore to wonder at the ancient City Walls, iron-paneled St Stephen's Church and colorful former Jewish district on a coach tour to the Golden Horn. As a natural and extremely secure harbor, the Golden Horn has played an important role in the development of Istanbul. The inlet separates the European shore into two, is approximately 8 kilometers long and its widest part is the entrance from the Bosphorus. Two streams drain into this inlet at its far end. Finish with a memorable experience in Istanbul's iconic old city, S. Ahmet. Settle in for a delicious lunch.