Maria and her family are very nice and welcoming. The location is great, 5 minutes from plaza de Espana and it is not hard to find a free parking space on the street.
The room unfortunately is very small, once we opened the luggage we didn't have space to move, no windows, just a front door, A/C indispensable. Moreover the room is located next to the kitchen and the common patio, which were quite noisy all morning so it didn't feel very private with all other people chatting just outside our door. The bathroom is super small and it was very hard to have a nice shower.