Isabella Lake fish stocking
Mason County, Washington
Isabella Lake in Mason County, Washington was last stocked on October 5, 2026 with 8,320 rainbow trout fry from Eells Springs. Across the 5 years shown here, WDFW released 41,935 fish in 5 separate stockings. Stockings here are most common in September and October.
When Isabella Lake gets fish
Stocking history
Washington reports the exact release date. Sizes for Washington are estimated from the reported fish-per-pound.
2026 · 8,320 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 8,320 | 5.1″ | Fry |
2025 · 8,325 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 8,325 | 5.4″ | Fry |
2024 · 8,320 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 8,320 | 5.4″ | Fry |
2023 · 8,320 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 8,320 | 5.1″ | Fry |
2022 · 8,650 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 8,650 | 5.3″ | Fry |
Frequently asked questions
When was Isabella Lake last stocked?
WDFW records show Isabella Lake was last stocked on October 5, 2026 (2 days ago), with 8,320 rainbow trout fry.
What fish are stocked in Isabella Lake?
Isabella Lake has been stocked with rainbow trout in the years shown here (2022–2026).
When does Isabella Lake usually get stocked?
Most fish have been stocked in September and October. Exact dates change from year to year, so check back or see WDFW's official stocking page.
Do I need a license to fish Isabella Lake?
Yes, anglers generally need a valid Washington fishing license. Check the current Washington fishing regulations for seasons, limits and any special rules for Isabella Lake.
Other stocked waters in Mason County
Benson Lake
Island Lake
Melbourne Lake
Osborne Lakes
Trails End Lake
Cady Lake
All 50 stocked waters in Mason County →
Source: WDFW Fish Plants (data.wa.gov). Stocked Lakes is not affiliated with Washington Department of Fish and Wildlife. Spot a problem? Let us know.