Lying 300m from the shore, Kızkalesi Castle is like a suspended dream. Check out the mosaics in the central courtyard and the vaulted gallery , and climb one of the four towers (the one at the southeast corner has the best views). It's possible to swim to the castle, but most people catch the boat (₺5) from the beach pier near Corycus Castle. Another option is to rent a dolphin-themed pedalo (around ₺10) and pedal on over.
