The Restaurant at The St. Regis Istanbul
The St. Regis Istanbul's restaurant is recommended by those who travel for a living. Out of 4 publications that we tracked, 3 acknowledged the restaurant, like Fodor's, The Telegraph and Star Service.
The St. Regis Istanbul 
Fodor's
The Telegraph
Star Service
Fodor's "A rooftop bar, the first international branch of Wolfgang Puck’s Spago restaurant, and a lavish day spa facility are draws for nonguests as well"
The Telegraph "There's also a glass-walled gourmet rooftop restaurant, butler service, and top-notch subterranean spa"
Star Service "Situated on the hotel's seventh floor with park and Bosporus views, the restaurant serves California cuisine; an adjoining year-round terrace bar (open late; closed Sunday) offers creative cocktails"
