Cruise on the Golden Horn
Golden Horn  forms a deep natural harbor for the pensinsula it encloses together with the Sea of Marmara. The Byzantine Empire had its naval headquarters there, and walls were built along the shoreline to protect the city of Constantinople from naval attacks.

Cruise on the Bosphorus
Cruising all the way up to the most important fortress on the Bosphorus and return by having a great panorama of the water dividing two conticents.

Rumeli Fortress (only from the boat )
The Rumeli Fortress (Rumelihisari) is located on the European (Rumeli) side of the Bosphorus. It was built by Mehmed II in four months beginning in the spring of 1452 across the waters from the Anatolian Fortress (Anadoluhisari or Güzelce Hisar) built by his grandfather Bayezid I (1389-1402).
 

Pierre Loti Hill by Cable Car
Ride up to the beautifull hill where you can see the most interesting view of the Golden Horn with a cable car. The hill may make you a poet like a Pierre Loti who is well known poet and author was enraptured by Istanbul and he came here often to watch the beauties of the Golden Horn and Istanbul.

City Walls
The 5th-century city walls built by Emperor Theodosius II stretch for 6.5 km (4 miles) from Istanbul's Golden Horn to the Sea of Marmara.

You can go for shopping such as Leather, ceramics , anthiques and hand-made rugs at the end of the tour.