Guam Football Associations organizes various annual leagues for youth athletes, female youth athletes and adult athletes. Each summer, a Co-Ed Masters League is featured. To participate in leagues, interested players need to first register with a club and then register at Guam Football Association for an official league player card. The player card fee is $50 for youth leagues and $85 for adult leagues. The player card is required to play in any league match and is good for one calendar year (January to December). Particularly for the men's leagues, the player card is valid from September to August.
In one year, two youth leagues are held - the spring season beginning mid February and the fall season beginning mid September. Over 2,000 participants play for 14 different club teams - Dededo Soccer Club, ISA Islanders, Lil' Bombers, MWR Barracudas (fall season only), Orange Crushers, Quality Distributors Football Club, Sidekick Soccer Club, Southern Cobras, Southern Heat, Strykers, Tigers, Tumon Soccer Club, Wings Football Club, and the Wolverines.The current Youth League Administrator is Robby De Guzman.
For adult athletes, annual 11-A-Side and Futsal leagues are held. Particularly for men's teams, a beach soccer league also is held in the summer. Women's teams also play in an annual 7-A-Side league. The Men's 11-A-Side League, composed of three divisions - Division I, Division II and the Masters division with a promotion/relegation system for Divisions I and II, generally begin in September through to April depending on the number of teams registered for the league. The Men's Futsal League generally begins in July depending on summer international tournaments where Guam is selected as the host nation. The Men's Beach Soccer League begins in June. The Women's 11-A-Side League usually begins in March. The Women's Futsal League usually begins in June and the Women's 7-A-Side league generally kicks off in September.
In addition to the adult leagues, Guam Football Association also organizes the annual GFA Cup tournament for both the men's and women's teams.
In the summer, Guam Football Association organizes the Co-Ed Masters Soccer League, the only adult league that combines both male and female players. Male players need to at least be turning 40 years old in the calendar year of the league, while female players need to at least be turning 25 years old in the calendar year of the league. A minimum number of women must be playing at all times or the team receives a penalty.
The current Men's League Administrator is Samuel San Gil and the current Women's League Administrator is Grace Martinez.