| Most recent season or competition: 2025 Intermediate League World Series | |
| Sport | Baseball |
|---|---|
| Founded | 2013 |
| No. of teams | 12 |
| Country |  United States |
| Most recent champion(s) |  Wailuku, Hawaii |
| Most titles | Hawaii (6) |
The Intermediate League World Series West Region is one of six United States regions that currently sends teams to the Intermediate League World Series in Livermore, California. The region's participation in the ILWS dates back to 2013.
Alaska 
Arizona 
California (Northern) California (Southern) Hawaii 
Idaho 
Montana 
Nevada 
Oregon 
Utah 
Washington 
Wyoming As of the 2025 Intermediate League World Series.
| Year | City | ILWS | Record |
|---|---|---|---|
| 2013 | Nogales, Arizona | Round 1 | 1–2 |
| 2014 | Nogales, Arizona (Host) | Champions | 4–0 |
| 2015 | Kapaa, Hawaii | Round 1 | 1–2 |
| 2016 | Wailuku, Hawaii | Champions | 5–1 |
| 2017 | Wailuku, Hawaii | US Final | 3–1 |
| 2018 | San Diego, Southern California | Round 1 | 2–2 |
| 2019 | Petaluma, Northern California | Round 1 | 0–3 |
| 2020 | Cancelled due to COVID-19 crisis [1] [2] | ||
| 2021 | |||
| 2022 | Wailuku, Hawaii | US Final | 4–2 |
| 2023 | Pearl City, Hawaii | US Final | 3–2 |
| 2024 | San Diego, Southern California | Round 3 | 1–2 |
| 2025 | Wailuku, Hawaii | Runner-up | 3–1 |
As of the 2025 Intermediate League World Series.
| State | Region Championships | ILWS Championships | W–L | PCT |
|---|---|---|---|---|
| Hawaii | 6 | 1 | 19–9 | .679 |
| Southern California | 2 | 0 | 3–4 | .429 |
| Host Team(s) | 1 | 1 | 4–0 | 1.000 |
| Arizona | 0 | 1–2 | .333 | |
| Northern California | 0–3 | .000 | ||
| Total | 11 | 2 | 27–18 | .600 |
| United States |  | |
|---|---|---|
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