Büyükada, Princes' Island: Roundtrip Ferry with Audio Guide
Take a return trip on the Büyükada ferry from Istanbul
Istanbul's got a lot to see, so make getting around the city easy with an Istanbul Public Transport Card. Take your pick of how many rides you'd like to take, before hopping on a bus, tram, or boat and exploring the city.
You can decide how many rides you'll need, and if you end up wanting to use more, your card can be easily reloaded at any station!