See main article: 1988 Buenos Aires Grand Prix (tennis).
Tomás Carbonell and Sergio Casal were the defending champions, but did not participate this year.
Carlos Costa and Javier Sánchez won the title, defeating Eduardo Bengoechea and José Luis Clerc 6–3, 3–6, 6–3 in the final.
Javier Frana / Christian Miniussi (quarterfinals) Alberto Mancini / Diego Pérez (first round) Gustavo Luza / Guillermo Pérez Roldán (quarterfinals)
Christer Allgårdh / Pedro Rebolledo (semifinals)