Mar's place is a pretty great choice for your stay in Madrid. The location is amazing, right next to the park (it's opposite the front door) and the metro station is a 3-5 minute walk just down the street. There's also a bus stop opposite that takes you straight to Atocha if you need to go there. The room is simple but clean and the beds are comfortable. Madrid was experiencing a heatwave at the time so obviously it was ridiculously hot especially given the lack of air conditioning and fans. Mar's family were really kind to us but sometimes it was a little noisy outside the room. The bathroom facilities were perfectly fine and the kitchen seemed ok too but we didn't make much use of it. All in all, great value for money in a great neighbourhood of Madrid.