Wikipedia

List of Seattle Mariners minor league affiliates

The Seattle Mariners farm system consists of six Minor League Baseball affiliates across the United States and in the Dominican Republic. Four teams are independently owned, while two others, the Arizona Complex League Mariners and Dominican Summer League Mariners, are owned by the major league club.

Current Seattle Mariners domestic minor league affiliate locations

The Mariners have been affiliated with the Triple-A Tacoma Rainiers of the Pacific Coast League and High-A Everett AquaSox of the Northwest League since 1995, making them the longest-running affiliations in the organization among teams not owned by the Mariners. Their newest affiliate is the Inland Empire 66ers of the California League, which will become the Mariners' Single-A affiliate in 2026.

Geographically, Seattle's closest affiliates are the Tacoma Rainiers, which are approximately 26 miles (42 km) away, and the Everett AquaSox, which are approximately 27 miles (43 km) away. Seattle's furthest domestic affiliate is the Arkansas Travelers, 1,781 miles (2,866 km) away.

Current affiliates

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Past affiliates

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Key

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Season Each year is linked to an article about that particular Mariners season.

1977–1989

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Prior to Mariners formation, Major League Baseball (MLB) organized Minor League Baseball into five classes, Triple-A, Double-A, Class A, Class A Short Season, and Rookie.[2]

Season Triple-A Double-A Class A Class A Short Season Rookie Ref(s).
1977 — — — Bellingham Mariners — [3][4]
1978 San Jose Missions — Stockton Mariners Bellingham Mariners — [5][4]
1979 Spokane Indians — Alexandria Mariners
San Jose Missions		 Bellingham Mariners — [6]
1980 Spokane Indians Lynn Sailors San Jose Missions Bellingham Mariners — [7]
1981 Spokane Indians Lynn Sailors Wausau Timbers Bellingham Mariners — [8]
1982 Salt Lake City Gulls Lynn Sailors Bakersfield Mariners
Wausau Timbers		 Bellingham Mariners — [9]
1983 Salt Lake City Gulls Chattanooga Lookouts Bakersfield Mariners
Wausau Timbers		 Bellingham Mariners — [10]
1984 Salt Lake City Gulls Chattanooga Lookouts Salinas Spurs
Wausau Timbers		 Bellingham Mariners Butte Copper Kings [11]
1985 Calgary Cannons Chattanooga Lookouts Salinas Spurs
Wausau Timbers		 Bellingham Mariners — [12]
1986 Calgary Cannons Chattanooga Lookouts Salinas Spurs
Wausau Timbers		 Bellingham Mariners — [13]
1987 Calgary Cannons Chattanooga Lookouts Salinas Spurs
Wausau Timbers		 Bellingham Mariners — [14]
1988 Calgary Cannons Vermont Mariners San Bernardino Spirit
Wausau Timbers		 Bellingham Mariners AZL Mariners/Red Sox [15]
1989 Calgary Cannons Williamsport Bills San Bernardino Spirit
Wausau Timbers		 Bellingham Mariners AZL Mariners
DSL Mariners		 [16][17]

1990–2020

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Minor League Baseball operated with six classes from 1990 to 2020. In 1990, the Class A level was subdivided for a second time with the creation of Class A-Advanced. The Rookie level consisted of domestic and foreign circuits.[2] In 1995, the Mariners moved two affiliates closer to Seattle, adding the Tacoma Rainiers and Everett AquaSox to their system.[18][19] The Venezuelan Summer League started in 1997, with the Mariners adding an affiliate in 2002, and folded after the 2015 season.[20][21] The Mariners operated a second Dominican Summer League team, called DSL Mariners 2, in 2015.[22] Two longtime affiliates, the Double-A Arkansas Travelers and Class A-Advanced Modesto Nuts, joined the Mariners system in 2017, with the Mariners purchasing the Nuts.[23][24]

Season Triple-A Double-A Class A-Advanced Class A Class A Short Season Rookie Foreign Rookie Ref(s).
1990 Calgary Cannons Williamsport Bills Peninsula Pilots
San Bernardino Spirit		 — Bellingham Mariners AZL Mariners DSL Mariners [25][26]
1991 Calgary Cannons Jacksonville Suns Peninsula Pilots
San Bernardino Spirit		 — Bellingham Mariners AZL Mariners DSL Mariners [27][28]
1992 Calgary Cannons Jacksonville Suns Peninsula Pilots
San Bernardino Spirit		 — Bellingham Mariners AZL Mariners DSL Mariners [29]
1993 Calgary Cannons Jacksonville Suns Riverside Pilots Appleton Foxes Bellingham Mariners AZL Mariners DSL Mariners [30]
1994 Calgary Cannons Jacksonville Suns Riverside Pilots Appleton Foxes Bellingham Mariners AZL Mariners DSL Mariners [31]
1995 Tacoma Rainiers Port City Roosters Riverside Pilots Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners [32]
1996 Tacoma Rainiers Port City Roosters Lancaster JetHawks Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners [33]
1997 Tacoma Rainiers Memphis Chicks Lancaster JetHawks Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners [34]
1998 Tacoma Rainiers Orlando Rays Lancaster JetHawks Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners [35]
1999 Tacoma Rainiers New Haven Ravens Lancaster JetHawks Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners [36]
2000 Tacoma Rainiers New Haven Ravens Lancaster JetHawks Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners [37]
2001 Tacoma Rainiers San Antonio Missions San Bernardino Stampede Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners [21]
2002 Tacoma Rainiers San Antonio Missions San Bernardino Stampede Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners
VSL Aguirre		 [38]
2003 Tacoma Rainiers San Antonio Missions Inland Empire 66ers Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners
VSL Aguirre		 [39]
2004 Tacoma Rainiers San Antonio Missions Inland Empire 66ers Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners
VSL Aguirre		 [40]
2005 Tacoma Rainiers San Antonio Missions Inland Empire 66ers Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners
VSL Mariners		 [41]
2006 Tacoma Rainiers San Antonio Missions Inland Empire 66ers Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners
VSL Mariners		 [42]
2007 Tacoma Rainiers West Tenn Diamond Jaxx High Desert Mavericks Wisconsin Timber Rattlers Everett AquaSox AZL Mariners DSL Mariners
VSL Mariners		 [43]
2008 Tacoma Rainiers West Tenn Diamond Jaxx High Desert Mavericks Wisconsin Timber Rattlers Everett AquaSox Pulaski Mariners
AZL Mariners		 DSL Mariners
VSL Mariners		 [44]
2009 Tacoma Rainiers West Tenn Diamond Jaxx High Desert Mavericks Clinton LumberKings Everett AquaSox Pulaski Mariners
AZL Mariners		 DSL Mariners
VSL Mariners		 [45]
2010 Tacoma Rainiers West Tenn Diamond Jaxx High Desert Mavericks Clinton LumberKings Everett AquaSox Pulaski Mariners
AZL Mariners		 DSL Mariners
VSL Mariners		 [46]
2011 Tacoma Rainiers Jackson Generals High Desert Mavericks Clinton LumberKings Everett AquaSox Pulaski Mariners
AZL Mariners		 DSL Mariners
VSL Mariners		 [47]
2012 Tacoma Rainiers Jackson Generals High Desert Mavericks Clinton LumberKings Everett AquaSox Pulaski Mariners
AZL Mariners		 DSL Mariners
VSL Mariners		 [48]
2013 Tacoma Rainiers Jackson Generals High Desert Mavericks Clinton LumberKings Everett AquaSox Pulaski Mariners
AZL Mariners		 DSL Mariners
VSL Mariners		 [49]
2014 Tacoma Rainiers Jackson Generals High Desert Mavericks Clinton LumberKings Everett AquaSox Pulaski Mariners
AZL Mariners		 DSL Mariners
VSL Mariners		 [50]
2015 Tacoma Rainiers Jackson Generals Bakersfield Blaze Clinton LumberKings Everett AquaSox AZL Mariners DSL Mariners 1
DSL Mariners 2
VSL Mariners		 [51]
2016 Tacoma Rainiers Jackson Generals Bakersfield Blaze Clinton LumberKings Everett AquaSox AZL Mariners DSL Mariners [52]
2017 Tacoma Rainiers Arkansas Travelers Modesto Nuts Clinton LumberKings Everett AquaSox AZL Mariners DSL Mariners [53][24]
2018 Tacoma Rainiers Arkansas Travelers Modesto Nuts Clinton LumberKings Everett AquaSox AZL Mariners DSL Mariners [54]
2019 Tacoma Rainiers Arkansas Travelers Modesto Nuts West Virginia Power Everett AquaSox AZL Mariners DSL Mariners [55]
2020[n 1] Tacoma Rainiers Arkansas Travelers Modesto Nuts West Virginia Power Everett AquaSox AZL Mariners DSL Mariners [57]

2021–present

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Minor League Baseball contracted before the 2021 season. Class A was reduced to two levels: High-A and Low-A. The Everett AquaSox, which had been a Class A Short-Season team, were promoted to High-A, and the West Virginia Power lost their affiliated status.[58] Low-A was reclassified as Single-A in 2022.[59]

The Mariners sold the Single-A Modesto Nuts at the end of 2024, and new owners Diamond Baseball Holdings announced the team would move to San Bernardino and become the Inland Empire 66ers beginning in the 2026 season.[60][61]

Season Triple-A Double-A High-A Single-A Rookie Foreign Rookie Ref.
2021 Tacoma Rainiers Arkansas Travelers Everett AquaSox Modesto Nuts ACL Mariners DSL Mariners [62]
2022 Tacoma Rainiers Arkansas Travelers Everett AquaSox Modesto Nuts ACL Mariners DSL Mariners [63]
2023 Tacoma Rainiers Arkansas Travelers Everett AquaSox Modesto Nuts ACL Mariners DSL Mariners [64]
2024 Tacoma Rainiers Arkansas Travelers Everett AquaSox Modesto Nuts ACL Mariners DSL Mariners [65]
2025 Tacoma Rainiers Arkansas Travelers Everett AquaSox Modesto Nuts ACL Mariners DSL Mariners [66]
2026 Tacoma Rainiers Arkansas Travelers Everett AquaSox Inland Empire 66ers ACL Mariners DSL Mariners [67]

See also

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Notes

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  1. ↑ The 2020 Minor League Baseball season was cancelled due to the COVID-19 pandemic.[56]

References

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  1. ↑ "Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  2. 1 2 Cronin, John (Spring 2013). "Truth in the Minor League Class Structure: The Case for the Reclassification of the Minors". The Baseball Research Journal. Society for American Baseball Research. Retrieved October 7, 2023.
  3. ↑ "1977 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  4. 1 2 Seattle Mariners 1978 Media Guide. 1978. p. 78.
  5. ↑ "1978 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  6. ↑ "1979 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  7. ↑ "1980 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  8. ↑ "1981 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  9. ↑ "1982 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  10. ↑ "1983 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  11. ↑ "1984 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  12. ↑ "1985 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  13. ↑ "1986 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  14. ↑ "1987 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  15. ↑ "1988 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  16. ↑ "1989 Dominican Summer League Statistics". Baseball Reference. Archived from the original on March 29, 2014. Retrieved November 15, 2023.
  17. ↑ "1989 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  18. ↑ "Tacoma Adopts Rainiers Name". Longview Daily News. Newspapers.com. November 2, 1994. Archived from the original on May 2, 2024. Retrieved June 5, 2022.
  19. ↑ Wade, Susan (September 13, 1994). "New era for Everett, M's". The Everett Herald. p. 1D. Retrieved April 3, 2025 – via Newspapers.com.
  20. ↑ Wild, Danny (January 21, 2016). "Venezuelan Summer League closes doors". MiLB.com. Retrieved November 18, 2025.
  21. 1 2 "2001 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  22. ↑ "2015 DSL Mariners 2 Statistics". Baseball Reference. Retrieved March 26, 2026.
  23. ↑ "About The Travs". Arkansas Travelers. Retrieved December 1, 2018.
  24. 1 2 Divish, Ryan (September 20, 2016). "Mariners purchase Modesto Nuts of Class A Cal League, sign 4-year player development contract". Seattle Times. Retrieved September 21, 2016.
  25. ↑ "1990 Dominican Summer League Statistics". Baseball Reference. Archived from the original on March 13, 2014. Retrieved November 16, 2023.
  26. ↑ "1990 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  27. ↑ "1991 Dominican Summer League Statistics". Baseball Reference. Archived from the original on March 13, 2014. Retrieved November 16, 2023.
  28. ↑ "1991 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  29. ↑ "1992 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  30. ↑ "1993 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  31. ↑ "1994 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  32. ↑ "1995 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  33. ↑ "1996 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  34. ↑ "1997 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  35. ↑ "1998 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  36. ↑ "1999 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  37. ↑ "2000 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  38. ↑ "2002 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  39. ↑ "2003 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  40. ↑ "2004 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  41. ↑ "2005 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  42. ↑ "2006 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  43. ↑ "2007 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  44. ↑ "2008 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  45. ↑ "2009 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  46. ↑ "2010 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  47. ↑ "2011 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  48. ↑ "2012 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  49. ↑ "2013 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  50. ↑ "2014 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  51. ↑ "2015 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  52. ↑ "2016 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  53. ↑ "2017 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  54. ↑ "2018 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  55. ↑ "2019 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  56. ↑ "2020 Minor League Baseball Season Shelved". Minor League Baseball. June 30, 2020. Retrieved July 1, 2020.
  57. ↑ "2020 Seattle Mariners Information Guide" (PDF). Seattle Mariners. Major League Baseball. 2020. p. 227. Archived (PDF) from the original on April 22, 2022. Retrieved November 6, 2023.
  58. ↑ Mayo, Jonathan (February 12, 2021). "MLB Announces New Minors Teams, Leagues". Major League Baseball. Retrieved February 12, 2021.
  59. ↑ "Historical League Names to Return in 2022". Minor League Baseball. March 16, 2022. Retrieved March 16, 2022.
  60. ↑ Jude, Adam (December 12, 2024). "Mariners announce sale of their Class A affiliate, the Modesto Nuts". The Seattle Times. Retrieved December 12, 2024.
  61. ↑ Heft, Erin (September 1, 2025). "Modesto Nuts play final home game before moving to Southern California". KCRA. Retrieved November 18, 2025.
  62. ↑ "2021 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  63. ↑ "2022 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  64. ↑ "2023 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved November 6, 2023.
  65. ↑ "2024 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved October 4, 2024.
  66. ↑ "2025 Seattle Mariners Minor League Affiliates". Baseball Reference. Retrieved June 11, 2025.
  67. ↑ "Mariners Announce Minor League Coaching Staffs for 2026 Season". MLB.com. Retrieved March 26, 2026.
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