we stayed at DM suites for about 3 weeks in October. first of all, Serdar and his team were excellent, responsive and very helpful not only with issues related to the apartment but also with inquiries about Istanbul,transportation, etc..very nice and helpful team!!
the apartment has a great view of the bosphorus, very spacious, and very well equipped. they offer a cleaning service which is very nice. there's an AC in every room and central heating, which is very rare in Europe. the apartment is close to Ortakoy, about 10min walk, and also about 15 min by car to Taksim, Beyoglu, Nisantasi neighborhoods.. the only thing to remember is it is about 30 to 45 min to Sultanehmet area but if you leave early in the day and get your sightseeing done early you will skip most of the traffic!
the shared front yard was also an amazing feature that's very hard to come by in a huge city like istanbul
one issue we noticed was the fact that the listing says there's a washer and dryer but there's only a washer , just a heads up.. they have a drying rack though
overall, it really was an amazing experience. we love istanbul , and serdar and his team at DM suites made it feel like home for 3 weeks
thank you