League Participation
Teams compete in the Columbia Basin AAU league, administered by MLBA. Most Moses Lake AAU teams participate under this umbrella.
Surrounding-Area Teams
Teams from surrounding communities register to participate in the league and MLBA-operated tournaments.
Fees Vary by Event
Registration fees depend on the specific league season or tournament. Contact us for current pricing.
Events & Registration Windows
The Columbia Basin AAU league runs fall and winter. Tournament dates and fees are announced per event — contact us for the latest.
Columbia Basin League — Winter
January 1 – February 28. Fees vary by event.
MLBA-Operated Tournament
Tournament dates and registration to be announced. Fees vary by event.
Register an Outside Team
- For teams outside Moses Lake
- One registration per team
- Fall 2026 registration: $450 per team
- 8 games per team
- Fall 2026 registration deadline: October 7, 2026
- MLBA review before payment
- No payment collected on the registration form
- Approved teams receive a separate payment request
Moses Lake families register each player individually through an MLBA player offering.
Start Outside Team RegistrationIndividual Placement
- Girls: register for league team placement
- Academy access two nights per week in season
- Explore the full player pathways
- Questions? Reach out any time
League Communities
Teams from across the Columbia Basin are represented in MLBA-administered league play.
Royal Knights
Ephrata Tigers
Moses Lake Mavericks
Warden Cougars
Quincy Jackrabbits
Connell Eagles
More communities joining
Community names identify league representation and do not imply school district endorsement of MLBA.
Enter the Columbia Basin League
Register a team, enter a tournament, or ask about the upcoming season.