My husband and I stay here for 5 nights for our stay in Istanbul.
We were welcome by Yavuz and the check in was very smooth. He even went out of his way to show us the way to the metro station and guide us to Galata tower. The tower is about 15mins walk away which is very convenient. All the other attractions can be access through taking bus and metro/ boat.
However, we felt that the location of the Airbnb can be a little far (approx 20mins walk) if you decide to catch a shuttle bus from the airport. it can be especially challenging if you have big heavy luggues to bring with you.
Other wise, I will still recommend anyone who want to come Istanbul to stay over here. =]