We visited Istanbul with our family (3 kids) and stayed for 5 days in the pretty new CasaLoBueno#3 apartment. The apartment is absolutely great: perfect location, the apartment is very very clean, it’s comfortable and everything you need is in the apartment. It’s also located in a quit street.
But also the service provided by Izel, the host, was tremendous. We used his airport service, which was perfect. He showed us around in the great (Galata Tower) neighbourhood, showed nice places and restaurants and he provided us with 2 public transport cards, city maps and a local cell phone in case we needed something. He also provide is with lots of interesting insights and places to eat and things to do in Istanbul. We can strongly recommend this apartment when you are visiting Istanbul!