Good located place, walking distance from marmaray station (public fast train), not so far (I was always walking) from the Kadikoy and thousands of cafes and restaurants. Couple of 24/7 local supermarkets located next to the building.
The place itself was warm (I was staying in the winter) and cozy (lots of different lights in different parts of apartments). I would recommend it for singles or couples as it has separate bedroom, relatively big kitchen with sitting area (TV included although I never used it), huge outside balcony with table and chairs.
Host itself was nice and quite proactive. Thanks Ж)