Onder's place is cozy, snug and peaceful without feeling cramped. One immediately feels comfortable in the apartment. It's efficient, well-lit, has great water pressure, a great bed as well as comfortable fold-out options, and all the amenities you could want, including a washer/drier combo and a very good tank-less water heater, ample cookware, hooks on the walls for coats, etc. A steel door makes you feel very safe, and garden neighbors are not intrusive. Decorated whimsically in a manner you'll find relaxing and inviting.
Onder himself and his lovely wife are extremely caring, warm, generous, and communicative. They are endlessly helpful and thoughtful. They also live nearby, so easily reached if you have any sort of problem. Truly wonderful people.
The location is fantastic -- groceries, shops, cafes, liquor stores, and restaurants are all within a minute's walking distance; ferries to the west side, and other points, and the metro are within a few minutes' walking distance. It's an easy walk from the flat to Moda's market neighborhood and plenty more restaurants and pubs. Ten-minute walk to Ciya Sofrasi, the acclaimed Kadikoy restaurant by Musa Dağdeviren, recently featured on Netflix's "Chef's Table." Moda's heritage trolley is also just down the hill.
I can't recommend this place enough. It's great value for money and has the best managers one could hope for.