Arnaiz Softball Complex has 4 fields. Each equipped with its own scoreboard and a public address system. The complex has a Central concession stand, restrooms as well as the ability to used at night. 
This Complex serves as  the host to California Grapettes Softball and Runnin' Rebels Softball teams. Arnaiz has also  hosted the California Collegiate Athletic Association (Division II NCAA) Conference Softball Championships, ASA National Championships, and team USA in 2008.

This Facility Features:

* 9.51 acre four-field complex
* 1,200 seating capacity
* Concession stand
* Announcers booth
* Electronic scoreboards