This is actually an apartment-hotel, and I have stayed here on numerous trips to BA. The rooms are larger than those in an average hotel have a kitchenette with a mini-fridge, microwave, full sink and dishes. No room service or other typical on-site hotel amenities like a bell-boy. However, it does have daily maid service, and the bathroom with a full tub and shower is also a nice size. Rooms facing the street have roll down shutters over the balcony door which reduce the street noise and light. The location cannot be beat, as shopping, numerous restaurants and even a full supermarket are all very close by. The Metro station is a somewhat longer 3-4 blocks away. Televisions need an upgrade, but they have full cable service, and high speed internet is free. The staff does NOT speak English, but have always been helpful. A pass to a local gym can be obtained from the Security Desk.

Very good room, spacy and clean. Nice staff, the neighborhood is great, you can go walking, by bus or by taxi easily. I totally recommend. Much better the a hotel room.

I stayed at the Callao Suites for three days in my visit to Buenos Aires last month. It is a well arranged efficiency apartment, with basic amenities, clean, and comfortable. The cleaning service and the security at the entrance are excellent and friendly. The location is superb, since it is at few meters from the busy corner of Avenida Callao and Santa Fe. With subways, public transportation and plenty of stores. The price ($70 a night) is very good too. Note that this is not a hotel. No room service, butlers, swimming pool, fitness center or restaurant. But this is something I did not mind, since there are plenty of bakeries, restaurants and cafes nearby. Buenos Aires is a walk friendly city, and this location is optimal as a start and end point. If you wish to walk to Recoleta, along Ave. Sta. Fe to the port area and Puerto Madero, or to Avenida Corrientes with thee theater ares. So, if you are looking for an affordable, clean, safe, and centric place, you should consider this place. If you are used to be pampered in your room, with 100 amenities, it may not be your cup of tea. I highly recommend it.

Well, I can't really evaluate this hotel fully since they screwed up our reservation (it was paid for in advance). They misplaced our name so the reservation was under a generic "university" name (they booked and paid for the hotel. So, of course they could not locate my lab and hence provided no room. They informed me that they were full and simply handed me back my passport. This poor service for visitors from another country, is not good business practice. They made zero effort in helping me find another hotel. They displayed zero sympathy for me because I was stranded without a hotel in the evening. When the university complained about their poor service, they were not responsive. I don't know if this was representative, but I would never consider staying here again.