Smaller hotel located about 3 blocks from the Puerta Del Sol. We had a corner-view room with a king bed, 3 small balconies, small fridge, nicely updated bathroom and it was about $98/night! Clean room, comfortable bed. Totally recommend. It IS a walk-up hotel, so plan on 2-3+ floors of stairs.
https://www.hotels.com/ho456355/madrid-city-rooms-madrid-spain/