Maria's place was just great.
The place was spacious enough for 4 people and looked pretty good. It's situated between popular metro stations and a big supermarket very close.
Pretty close to the city center (15-20 mins walk) and in a pretty great zone overall.
Overall it was more than we thought and had a great time, but, it does come with some issues.
1st of all, the smell. Maria's place is the bottom floor in the building and has a small backyard area which also hosts a drain. The place has a slight moldy odor to it. It's not bad, but noticeable. Some of our clothes caught a slight smell, but everything was okay when we opened the windows and let some fresh air in.
Overall, it wasn't that bad and we would recommend Maria's place due to it's proximity, style and easy check-in&check-out system. Just remember to open windows.