The Margarita Officials Association (MOA), is a non-profit organization whose mission is to provide expertly trained and certified fast pitch and slow pitch officials (umpire and scorekeeping) within Southern California; specifically, the regions of North San Diego County and Southern Riverside County.

The MOA recruits and trains softball umpires to be qualified to umpire USA Softball (formerly ASA), NFHS, NAFA, Triple Crown, PGF and other nationally recognized organizations of softball, as well as all levels of recreational softball (both youth and adult fast pitch and slow pitch).

All umpires are USA Softball Registered, and most are Tournament Certified.

MOA is proud of its member umpires, some of whom have been selected to work at Collegiate, National and International (WBSF) levels of play.