Full Day Bosphorus Tour with a Private Yacht From Istanbul. Explore Istanbul with your own personal guide on a full-day tour of the city that includes a 2-hour Bosphorus cruise aboard a private yacht. Enjoy the flexibility of a private tour as you visit a stunning palace and mosque, and soak up the exotic scents of the Spice Bazaar. Walk through the atmospheric neighborhood of Ortakoy, then leave the shore behind for a luxurious cruise. Watch the sun set over the Bosphorus while you discover unforgettable views of waterside villages, palaces and ports. Book and Save 15%! Full Day Bosphorus Tour with a Private Yacht From Istanbul.