Hostal Casa de Barro
(http://www.casadebarro.com.ar), otero 294 esq. belgrano, tel: +54 388 4229578. dorms: 45, matrimonial: 100. firstname.lastname@example.org. small but fairly cute hostel with minimalist/rustic design and only a handful of rooms. central location, no wifi. elderly lady who runs the place is a little forgetful, so best to confirm with the younger staff for bookings/essential items.