I know Porteño art collectors with impressive inventories of Berni, Ferrari, Kuitca and many others.
Berni has been dead since 81, Ferrari just died at 92. I am a fan, but the fact that somebody bought their work 20 or 30 years ago hardly tells you much about the argentine market today.
Certainly, there are collectors of local art.
The most impressive I have seen was the Vergez Collection, in San Telmo- its amazing, both Argentine and international work, in a 4 story building dedicated to the collection. Unfortunately, not open to the public, and invisible to the city at large.
And there are several decent galleries that sell contemporary art that can handily compete on the world stage-
Braga Menendez, Rubbers, Ruth Benzacar, Daniel Abate, Wussmann, and Zavaleta Lab are some of the best.
But I would guess the original poster is a young artist, looking for a scene and opportunity.
I would suggest she visit Patio Del Liceo, on Santa Fe, which is a complex of small galleries, an art bookstore, artist studios, a music store, and various arty hipsters.
https://www.facebook...208515089189784
it would be a more appropriate entre to the scene than one of the high end galleries.
there are a bunch of smaller, intermittent galleries, and private curators showing work in spaces by appointment only- a lot of the really interesting stuff that goes on is pretty transitory.
I tend to watch Ramona for openings and interesting events-
http://www.ramona.org.ar/
there is also a tiny gallery space in the basement of Malba, next to the bookstore, that has been showing young local artists, and I have seen some really great stuff there.