We had pals who raved about Atakoy where they also start the East Med Rally, but the new Setur Marina is probably worth investigating. Setur are one of the largest marina groups in Turkey and they always do deals to attract new boats in. Always.
Try the Marina in Pendik... about 20miles down the coast from Istanbul... I delivered a Catalac 9 there last August and was impressed with the facilities and service there...nice friendly folks
The owners a CF member so maybe he'll see this and comment...
“I do not exist to impress the world.
I exist to live my life in a way that will make me happy. ”