Maria was an excellent host all around. She was very quick to respond to all questions both before and after check-in. The flat was very clean, and had tons of supplies to make sure we were comfortable throughout and had everything we needed. It is very well located, allowing us to walk to the main city center within minutes, and also experience the unique hipster culture of Malasaña. The area was safe as well. I would 100% recommend Maria's place if you are planning a trip to Madrid.