We can't say enough about Marilupe and Marlene's place. It is in the BEST location, as it is close to everything (literally 3 minutes from the Zócalo) yet just far enough away to have peace and quiet at night. Marlene was super responsive and always helpful. The 24 hour security in the building is a bonus, and the staff couldn't be more accomodating. Mexico City is an amazing place and you won't find a better place to stay!