My two friends and I spent four nights at Isabel's apartment. The communication and check-in/out process was easy and simple. The location was excellent, walking to the metro, to the heart of Roma Norte and to Reforma, and felt very safe. While the building entrance was on a busy street, the apartment was set toward the back of the building so it was very quiet. The place itself was comfortable, tidy and made for an excellent refuge amidst the bustle of Mexico City. Recommended!