Mercer Island Little League: Welcome
Mercer Island Little League offers instructional and competitive baseball, softball, and tee-ball programs for youth ages 4-16 on Mercer Island, WA. The league is part of Washington District 9 and Little League International.
- Registration for Summer Baseball is now open!
Updated as early as possible every day during the season.
Typically by 3pm on weekdays and 8:30am on weekends.