Mariners Grand Slam Camps

Mariners Grand Slam Camps

For nearly 25 years, Grand Slam Sports have run baseball and softball camps that are real summer camps, like parents remember from their childhood. You can count on top quality and personal instruction while having a blast. After all, it is a game and should be fun - lots of fun!

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Complete Camp
  • Four days - (M Tu W Th) - 9am to 12:30pm - Ages 7-12(*6 year olds with experience)
  • Personalized and team coaching from professional, experienced educators and instructors.
  • Instruction certified by Positive Coaching Alliance.
  • Coaching emphasis on in-game concepts and situational play. Learn the game the MARINER WAY.
  • Baseball culture deeply imbedded.
  • Mariners Grand Slam Camp T-shirt.
  • Daily Trivia, giveaways and prizes.
  • Meet the Mariner Moose!
  • The Safeco Field GameDay Experience (see below)
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Skills Camp
  • Four days - (M Tu W Th) - 1:30pm to 4:00pm - Ages 9-14(*8 year olds with experience)
  • In-depth, personalized, progressive instruction focused on hitting and chosen defensive skill.
  • Instruction certified by Positive Coaching Alliance.
  • Hitting instruction - includes daily batting practice for all.
  • Defensive focus - choose one of the following: pitcher, catcher or infield.
  • Includes plenty of the positive culture of our national pastime!
  • Take your game to the next level!
  • Mariners Grand Slam Camp T-Shirt, giveaways and prizes.
  • The Safeco Field GameDay Experience (see below)
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Complete + Skills Bundle
  • Four days - (M Tu W Th) - 9:00am to 4:00pm - Ages 9-12(*8 year olds with experience)
  • Our most popular option. The best of both worlds = Complete + Skills Camps!
  • Learn detailed game concepts, lots of game reinforced situational play, individualized defensive skill and hitting technique instruction.
  • Includes added hour of lunch time supervision and game-themed activities at no additional cost.
  • The Safeco Field GameDay Experience (see below)
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Safeco Field Game Day Experience
  • Specially priced home game tickets to predetermined Seattle Mariners game at Safeco Field.
  • Exclusive early ballpark entrance.
  • Pregame Mariners Grand Slam Camp Clinic.
  • Fun, learning, surprises & goodies.
  • Enjoy GameDay at Safeco Field watching our Seattle Mariners engaged in our National Pastime! Root, Root, Root for the Mariners at the Old Ball Game!
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