Mariners Grand Slam Camps

Our 2023 Mariners Camp Schedule is set (see below) and registration is now live!

2023 Baseball Camps
Dates Location
June 26-29 Redmond - SOLD OUT
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 - SOLD OUT
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 - SOLD OUT
July 24-27 Gig Harbor - SOLD OUT
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]