Buenos Aires hotel in Comuna 3 with a 24-hour front desk Along with concierge services, this smoke-free hotel has dry cleaning and laundry facilities. WiFi in public areas is free. Additionally, a 24-hour front desk, a computer station, and express check-out are onsite. Hotel San Carlos offers 31 air-conditioned accommodations with complimentary toiletries and blackout drapes/curtains. 32-inch LED televisions come with cable channels. Bathrooms include bathtubs or showers with deep soaking bathtubs and rainfall showerheads, and bidets. Guests can surf the web using the complimentary wireless Internet access. Housekeeping is offered daily and hair dryers can be requested.