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The Official Site of the Seattle Mariners

Mariners Grand Slam Camps

Mariners Baseball Summer Youth Instruction Camps

Baseball Camp Dates, Locations and Status

June 25-28
Gig Harbor

Sehmel Homestead Park
10123 78th Ave NW, 
Gig Harbor, WA 98332

Serving Gig Harbor, Port Orchard, Kitsap County, Artondale, Olalla, Key Peninsula

June 25-28

Glacier Peak High School
7401 144th Pl SE
Snohomish, WA 98296

Serving Mill Creek, Monroe, Woodinville, Snohomish County

June 25-28

Luke Jensen Sports Complex
4000 NE 78th St
Vancouver, WA 98665

Serving Southwest Washington, Camas, Longview, Portland, Northwest Oregon

July 9-12

Kitsap County Fairgrounds
1200 Fairground Road NW
Bremerton, WA 98311

Serving Kitsap County, Bremerton, Silverdale, Tracyton, Port Orchard

July 9-12

Lynnwood High School  
18218 North Rd
Bothell, WA 98012

Serving Bothell, Kenmore, Edmonds, Mount Lake Terrace, Lynnwood

July 9-12

Daffodil Valley Sports Complex 
5604 Graham Ave
Sumner, WA 98390

Serving Bonney Lake, Orting, Lake Tapps, Auburn, Edgewood, Enumclaw, Buckley, South Prairie, Sumner

July 16-19

Kent Service Club Fields
14608 SE 288th St
Kent, WA 98042

Serving Renton, Maple Valley, Covington, Kent, Black Diamond, Auburn

July 16-19

Regional Athletic Complex (RAC) 
8345 Steilacoom Road SE
Olympia, WA 98513

Serving Olympia, Tumwater, Yelm, Thurston County, Lacey

July 16-19

Marymoor Park
6046 West Lake Sammamish Pkwy NE
Redmond, WA 98052

Serving The Eastside, Bellevue, Sammamish, Kirkland, Mercer Island

July 23-26

Battle Point Park 
11299 Arrow Point Drive
Bainbridge Island, WA 98110

Serving Winslow, Kitsap County, Bainbridge Island, Poulsbo, Jefferson County

July 23-26

Kasch Park
8811 Airport Rd. 
Everett, WA 98204

Serving Snohomish County, Everett, Edmonds, Lynnwood, Mill Creek, Lake Stevens, Marysville, Mukilteo

July 23-26

Heritage Park 
9010 128th Street E
Puyallup, WA 98373

Serving South Hill, Graham, Spanaway, Parkland,Eatonville, Puyallup

July 30-August 2
Federal Way

Celebration Park
1095 S 324th St
Federal Way, WA 98003

Serving Auburn, Edgewood, Fife, Des Moines, Browns Point

July 30-August 2

Lower Woodland Park Playfields
5401 Greenlake Way N
Seattle, WA 98103

Serving Ballard, Greenlake, Capitol Hill, University District, Wallingord, Queen Anne, Interbay, Shoreline, Northgate

July 30-August 2

Cirque Bridgeport Park 
7250 Cirque Drive West
University Place, WA 98466

Serving Tacoma, University Place, Lakewood, Steilacoom, JBLM

Camp Choices

  1. Baseball Complete Camp (AM half day/4 days) - $135
  2. Baseball Skills Camp (PM half day/4 days) - $135
  3. Baseball Complete & Skills Camp Bundle (whole day/4 days) - $260

Baseball Complete Camp

Covers the Whole Game!

  • Four Days
  • 9:00 AM to 12:30 PM
  • 7-12 (6-yr olds OK with experience)
  • $135
    • Pitching
    • Batting
    • Catcher
    • Bunting
    • Infield Play
    • Baserunning
    • Outfield Play
    • And much more 

Fun atmosphere (like Summer Camp!)
Lots of baseball is played to practice skills & experience numerous situational plays.
Low coach-to-camper ratio! All coached by teachers and college ballplayers!

Baseball Skills Camp

Focus on Defensive Skill + Hitting

Advanced Defensive Skills focus & More in-depth hitting instruction

  • Four Days
  • 1:30 PM to 4:00 PM
  • 9-14 (8-yr olds OK with experience)
  • $135

All campers receive additional hitting instruction
Camper chooses one defensive position:

  • Pitcher
  • Catcher 
  • Infield Play 

In-depth techniques and drills specific to chosen position + personalized hitting instruction:

  • Mechanics
  • Mental Approach

Lowest coach-to-camper ratios!

Baseball Complete & Skills Camp Bundle

Both Baseball Complete and Baseball Skills Camp here

BOTH Baseball Complete AND Skills camps at one location each as described above. The best of both worlds. Well rounded experience touching on all aspects of the game while experiencing numerous batting and fielding game situations. Followed by a more focused specific area of defense you choose to work on as well as more personalized hitting instruction.

  • Four days - 7 hours per day
  • 9am to 4pm
  • 8-12 year olds
  • $260

For this session supervision is provided during the one hour break between morning and afternoon sessions at no additional cost. Campers must bring their lunch.

Questions? Contact Us


Call, Text or leave Voice Mail: 360-802-2232