The waters around Istanbul attract yachtsmen from all over the world. Here you can delight in splendid natural landscapes,open seas and magnificent sunsets as well as voyage through Byzantine and Ottoman history as you sail past the impressive casfles, palaces and mosques. After navigating the breathtaking Bosphorus or Golden Horn,you can return to one of the two large marinas in the area. Atakoy Marina on the European side and Kalamis Marina on the Asian side, both offer 24 hour service. Every summer Istanbul hosts international offshore yacht races.