I guess not :/
There are a couple of places where you can go for salsa-merengue-bachata classes. Tonight (THURSDAY) in a boliche called "Hanoi", located in Cordoba Av and Laprida St(2988 Cordoba Av), there are salsa-bachata-merengue classes. The teachers are some argentineans and cuban ,quite good. Classes begin at 8pm.