DATES (subject to change)
| ACTIVITY | LOCATION |
| Sunday, January 26, 2025 | Baseball Assessments Day 1 | Ingraham High School |
| Friday, January 31, 2025 | Majors baseball registration closes | Virtual |
| Saturday, February 01, 2025 | Softball Assessments | Ingraham High School |
| Saturday, February 01, 2025 | Baseball Assessments Day 2 | Ingraham High School |
| Monday, February 03, 2025 | BOD meeting | Ingraham High School |
| Tuesday, February 04, 2025 | Draft: Majors 7:00-9:00pm | Growler Guys |
| Thursday, February 06, 2025 | Draft: AAA, 5:30-7:30pm | Growler Guys |
| Thursday, February 06, 2025 | Draft: AA, 7:30-9:30pm | Growler Guys |
| Friday, February 07, 2025 | Coaches notify players | TBD |
| Monday, February 17, 2025 | Seattle Public Schools Midwinter Break, February 17-23 |
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| Monday, February 24, 2025 | Mandatory managers meeting (In lieu of March BOD meeting) |
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| Saturday, March 01, 2025 | Get out the Mounds Day | |
| Saturday, March 01, 2025 | Practices start | |
| Saturday, March 01, 2025 | Baseball and softball registration closes (Tee ball and 78er's remain open) | Virtual |
| Sunday, March 02, 2025 | Baseball Positive Coach Training - Player Pitch Divisions - 6:00-8:30pm | Fairview Church |
| Saturday, March 08, 2025 | Umpire field mechanics - 9:00am-5:00pm (registration required) | Glacier Middle School (SeaTac) |
| Sunday, March 09, 2025 | Umpire field mechanics - 9:00am-1:00pm (registration required) | Glacier Middle School (SeaTac) |
| Sunday, March 09, 2025 | Baseball Positive Coach Training, Farm Divisions - 6:00pm-8:30pm | Fairview Church |
Sunday, March 16, 2025
| Baseball Positive Pitching Clinics - Farm 2: 3:45-4:45pm
- AA: 4:45-5:45 PM
- AAA/Majors: 6:00-7:00pm
| Laurelhurst Park, Field #1 |
| Friday, March 21, 2025 | Tee ball and 78er's registration closes | Virtual |
| Sunday, March 23, 2025 | Baseball Positive Coaching Boot Camps - Farm 1 & 2: 4:30-6:00pm
- AA/AAA/Majors: 6:00-7:30pm
| Laurelhurst Park, Field #1 |
| Tuesday, March 25, 2025 | Games start/Tee ball and 78er's practices start | |
| Saturday, March 29, 2025 | Baseball Positive Coach Training - Tee Ball Division - 9:45-11:45am | East Greenlake Park |
| Sunday, March 30, 2025 | Mariners Little League Day | T-Mobile Park |
| Monday, April 07, 2025 | BOD meeting | Growler Guys |
| Monday, April 14, 2025 | Seattle Public Schools Spring Break April 14-18 (Villa) | |
| Monday, April 21, 2025 | Seattle Private Schools Spring Break April 21-25 (ASB, OLL) | |
| | Regular Season Resumes | |
| Sunday, May 04, 2025 | All-Star managers applications due to player agent | |
| Monday, May 05, 2025 | BOD meeting (likely a later start so we can meet after games) | Growler Guys |
| Tuesday, May 06, 2025 | All-Star managers announcement | |
| Saturday, May 10, 2025 | Mid-Season Classic | LH1 & LH2 |
| Sunday, May 11, 2025 | Hit-a-thon and Picture Day | LH1 & LH2 |
| Sunday, May 18, 2025 | All-Star players applications due | |
| Friday, May 23, 2025 | Regular season games end | |
| Tuesday, May 27, 2025 | Baseball playoffs begin | |
| Sunday, June 01, 2025 | Summer Ball Registration Opens | NESLL.net |
| Monday, June 02, 2025 | BOD meeting (later start to meet after games) | Growler Guys |
| Saturday, June 07, 2025 | Baseball Championship Saturday | View Ridge #2 |
| Sunday, June 08, 2025 | All-Star player selection meeting | TBD |
| Monday, June 09, 2025 | All-Star player announcements | |
| Tuesday, June 10, 2025 | All-Star practices begin | |
| TBD | District 8 Softball Championships | Husky Softball Stadium |
| Monday, August 04, 2025 | Baseball Positive Summer Camp
Monday, 8/4 to Thursday 8/7, 1:30-4:30pm | Laurelhurst Park, Field #1 |