I stayed here 24-25 DEC. Applied an SNA for a St. Regis Suite; was additionally upgraded to an Empire Suite. Great check-in process, butler service, welcome gift (multiple very large bottles of water, fruit, and snack), and on Christmas morning, a stocking full of cookies hanging on my door. My room was technically a smoking room, which they asked if it would be ok, and I didn't really mind; the only difference was there were some (clean, empty) ash trays in the room -- no smell of smoke.

At EUR 180/night, it was an amazing deal.

Moderately ashamed that because the room was so nice, I didn't bother leaving the hotel from arrival until (late) departure -- aside from breakfast, I just stayed in my suite and caught up on work, relaxed, etc.

I don't really like the shopping/upscale area as much as other parts of Istanbul, but for a family or people who like shopping, it's great.

The only negative of the property is the breakfast in the restaurant is a bit cramped. (free if you choose it as a platinum guest); it's not quite as good as Asian hotel breakfasts, but good. I'd probably take the points in the future and just get an early lunch nearby instead. In warmer weather, when patio seating is open, it is likely less of an issue.