Mariners Grand Slam Camps

Our 2023 Mariners Camp Schedule is set (see below). Camp registration will begin soon. Returning campers will receive an email announcement when registration opens up.

2023 Baseball Camps
Dates Location
June 26-29 Redmond
June 26-29 Lacey
June 26-29 Spokane (new location - Plante's Ferry Sports Complex)
June 26-29 Hillsboro, OR
July 10-13 Snohomish
July 10-13 Sumner
July 10-13 Bremerton
July 10-13 Vancouver, WA (new location- Propstra Stadium Complex)
July 17-20 Seattle
July 17-20 Kent
July 17-20 Bainbridge
July 17-20 Tigard, OR
July 24-27 Everett
July 24-27 Puyallup
July 24-27 Gig Harbor
July 24-27 Portland
Jul 31 - Aug 3 Lake Stevens
Jul 31 - Aug 3 Federal Way
Jul 31 - Aug 3 Milwaukie, OR
Jul 31 - Aug 3 Tacoma
2023 Softball Camps
Dates Location
June 26-29 Redmond
July 10-13 Sumner
July 17-20 Seattle
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:
Call, Text or leave Voice Mail: 360-802-2232
[email protected]