“Major League Baseball trademarks and copyrights are used with permission of MLB Advanced Media, L.P. All rights reserved.”

  Included for all campers:

  Seattle Mariners present:

Safeco Field


(Click for more details)

Mariners Grand Slam Camps In The News:

Newspaper coverage over the years for Grand Slam Baseball Camps and Softball Camps for youth in King County, Pierce County, Thurston, Snohomish and Kitsap County of Washington State.

Click on image for closer look!