We stayed a month at Margaritas place. The apartment is in a very good location as people have already mentioned. We felt safe and welcomed in this neighbourhood.
Margarita is a good host and always immediately respond to our messages.
Its an old building which means everything is a little “rustic” and the windows don’t shut out noise coming from the street in front of the building. I would recommend bringing ear plugs if you have a light sleep.
The kitchen is not very good equipped so we were not cooking anything more then pasta.
In total the apartment is great but a bit expensive for what it is. (We payed 1675$ for a month) If you value the location over comfort this is the place you want to stay, though.