Verania Willis scored 24, Karen Cope followed with 19 for Costa Rica.
Yesenia Celedon was the top scorer for Mexico with 21 points, Fernanda Güitron registered 14.
The coach of Mexico, the Argentine Estanislao Vachino decided to play with bench players with the exception of Lizbeth Sainz.
His compatriot on Costarican bench Horacio Bastit faced Vachino at this match for the first time with these national teams in a Pan American Cup.
Bastit used his full squad with exeption of Viviana Murillo and Daniela Vargas.
To read more about this competition click on Pan American Cup 2013 W.