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Welcome to the home of the Marin Tremors.  Marin Tremors is organized by Marin Girls Softball and is open to all registered Marin Girls Softball players. 

What is Marin Tremors?

Marin Tremors is a competitive softball program conducted over the Summer and Fall.  We believe that every player that wants to continue their softball development into the Summer and Fall should have an opportunity to do so.   This includes the experienced competitive travel ball players, and the players who love the game, and are looking to further their skills.  

Click here to visit our About Us page.

And Don't Forget to Follow us!

10U C Team takes 2nd Place San Jose July 8 2018

10U B Team takes 2nd Place Windsor July 1 2018

8U Team takes 2nd Place Windsor July 1 2018


During the summer season, we're hosting clinics in pitching, catching, fielding, slapping and drag bunting, and hitting & base running.  Marin Tremors players can sign up to clinics by visiting our Clinics Page.

Congrats to the 2017 8u Tremors: First Place Rohnert Park July 16, 2017! Additional Wins include First Place Windsor Tournament, Second Place Petaluma Tournament & Millbrae Silver 2nd Place.

12U 2006 Team takes Silver 2nd Place in Napa June 10, 2018!

2018 Tremors Season

Our 2018 Marin Tremors season is underway.  This year we are fielding five Travel Ball Teams and six Marin Club Level teams.  Over 150 players are participating in the Summer Program, representing growth of over 100% in player participation from our 2017 season.

Meet the 2018 Travel Ball Teams by clicking here.

Learn more about the 2018 Club Ball Program by clicking here.

To see where the Marin Tremors Travel Ball teams will be competing this year, visit our Tournament page.

To learn more about why Marin Tremors is growing so quickly, read about our Vision.


Welcome to our new Marin Tremors Club West team!