The Mariners offer summer baseball and softball camps in Washington and Oregon. Mariners Grand Slam Camps provide a unique experience developing skills for all players, whether they are beginners or advanced. Campers are grouped by age and ability and coached by professional educators, former pros and current college players. This allows the instruction and experience to match the level of all campers who attend.
Mariners Grand Slam Camps


1st-6th grade (2022-23 school year)
**Kindergarten OK with experience
(AM half day/4 days) - $150
Instruction takes place through traditional demonstration and drills, but mostly via game play where coaches personalize the in-game learning experience. Baseball is a game of situations. Learn the game and love the game!

3rd grade-6th grade in (2022-23school year)
(PM half day/4 days) - $150
Formalized, advanced instruction. On the first day of camp, campers will select a defensive position of focus (pitcher, catcher, or infield) to concentrate on in depth each day of camp. All receive focused batting instruction and practice daily. Our coaches are experts at teaching. Improve your game. Lots of fun here, too.

1st grade-2nd grade (2022-23 school year)
(whole day/4 days) - $286
The Complete camp format as above with additional focus on different skill of pitcher, catcher, infielder and outfielder in the afternoon. All receive focused batting instruction and practice daily. The fun keeps going, all day long!
A discounted price for both sessions described above, plus additional daily supervised lunch time at no additional cost.

3rd grade-6th grade (2022-23 school year) skills bundle
(whole day/4 days) - $286
A discounted price for both the Complete and Skills sessions described above. This Bundle is the best of both worlds for the full immersion baseball/softball camp experience. Additional daily supervised lunch time at no additional cost.
Dates | Location |
---|---|
June 26-29 | Redmond - SOLD OUT |
June 26-29 | Lacey - SOLD OUT |
June 26-29 | Spokane - SOLD OUT |
June 26-29 | Hillsboro, OR |
July 10-13 | Snohomish - SOLD OUT |
July 10-13 | Sumner - SOLD OUT |
July 10-13 | Bremerton - SOLD OUT |
July 10-13 | Vancouver, WA - SOLD OUT |
July 17-20 | Seattle |
July 17-20 | Kent - SOLD OUT |
July 17-20 | Bainbridge - SOLD OUT |
July 17-20 | Tigard, OR |
July 24-27 | Everett |
July 24-27 | Puyallup - SOLD OUT |
July 24-27 | Gig Harbor - SOLD OUT |
July 24-27 | Portland |
Jul 31 - Aug 3 | Lake Stevens - SOLD OUT |
Jul 31 - Aug 3 | Federal Way - SOLD OUT |
Jul 31 - Aug 3 | Milwaukie, OR - SOLD OUT |
Jul 31 - Aug 3 | Tacoma - SOLD OUT |
Dates | Location |
---|---|
June 26-29 | Redmond |
July 10-13 | Sumner - SOLD OUT |
July 17-20 | Seattle - SOLD OUT |
July 24-27 | Puyallup |
Jul 31 - Aug 3 | Federal Way |
Locations in Washington's Clark, King, Kitsap, Pierce, Snohomish, Thurston and Spokane Counties and Oregon's Clackamas, Multnomah and Washington Counties.
- Campers receive a camp T-shirt, a daily giveaway and much, much more.
- High quality, personal instruction from a talented staff.
- Special Mariners surprises at every camp, including prize drawings and trivia sessions.
- Each camper and their family will be invited to a special event at T-Mobile Park. (August date TBD)
- Emphasis on fun!
There simply is no experience like it.
Questions? Contact us:
Phone:
Call, Text or leave Voice Mail: 360-802-2232
Email:
[email protected]