[2] Louisiana Tech defeated New Orleans in the championship game, 84–62, to take home their second American South men's basketball tournament title.
Louisiana Tech received an at-large invitation to the 1989 NCAA Tournament as the #9 seed in the Southeast region because the American South was not eligible for an automatic bid at the time.
The Bulldogs defeated La Salle 83–74 before losing to #1 seed Oklahoma 124–81.
All six of the conference's founding members participated in the tournament field.
They were seeded based on regular season conference records.