2 suspension bridges connect the European and Asian sides, but many residents still rely on ferries for the crossing.
It comes as no surprise the rich would love to set up a base here to enjoy the serene straits view.
Rumeli Hisari was built in the mid-15th century at the narrowest point of the Bosporous to control water traffic.
I was surprised how close to the water line these mansions get.
Maiden's Tower has a long history, believed to date back over 2000 years. From customs during Byzantine times to a quarantine station during Ottoman rule, it is now a privately-owned restaurant.