Lone Lake Fishing Regulations
Island County, Washington · 2026 size limits, bag limits, and seasons
Lone Lake is a lake in Island County, Washington. It has its own fishing regulations for 8 species, including Brook Trout, Brown Trout, Cutthroat Trout, and Golden Trout. These rules replace Washington's statewide limits on this water.
Map of Lone Lake
Fish with special rules on Lone Lake
Tap a fish for identification tips, size records, and the best bait.
Lone Lake limits by species (2026)
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| All Fish SpeciesInternal combustion motors prohibited. · Barbless; No Bait; Single Point Hook | – | – | Always open |
 Brook Trout | 18" min | 1 | Year-round |
 Brown Trout | 18" min | 1 | Year-round |
 Cutthroat Trout | 18" min | 1 | Year-round |
 Golden Trout | 18" min | 1 | Year-round |
 Grass CarpNo daily limit. May also be taken by bow-and-arrow. | – | – | Year-round |
 Lake Trout | 18" min | 1 | Year-round |
 Rainbow Trout | 18" min | 1 | Year-round |
 Steelhead | 18" min | 1 | Year-round |
– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.
Plan your Lone Lake trip
Lone Lake fishing: common questions
What fish have special regulations on Lone Lake?
8 species have rules specific to Lone Lake: Brook Trout, Brown Trout, Cutthroat Trout, Golden Trout, Grass Carp, Lake Trout, Rainbow Trout, and Steelhead.
What is the brook trout limit on Lone Lake?
Brook Trout must be at least 18" to keep on Lone Lake, and the daily bag limit is 1.
What is the brown trout limit on Lone Lake?
Brown Trout must be at least 18" to keep on Lone Lake, and the daily bag limit is 1.
What is the cutthroat trout limit on Lone Lake?
Cutthroat Trout must be at least 18" to keep on Lone Lake, and the daily bag limit is 1.
Do Washington statewide fishing rules apply on Lone Lake?
Where Lone Lake has its own rule for a species, that rule replaces the statewide limit. For species not listed on this page, Washington's statewide regulations apply. Regulations are set by the Washington Department of Fish and Wildlife; confirm with the official 2026 regulations before keeping a fish.
Other Washington waters with special regulations
- Yakima River · Benton
- Columbia River
- Wind River · Skamania
- Drano Lake · Skamania
- Naselle River · Pacific
- Roosevelt Lake · Ferry/Grant/Lincoln/Okanogan/Stevens
- Cowlitz River · Cowlitz/Lewis
- Green River · Duwamish
- Grays River · Wahkiakum
- Nisqually River · Pierce/Thurston
- Nooksack River · Whatcom
- Humptulips River · Grays Harbor
Take Lone Lake rules on the water
Identify your catch, check if it's a keeper, and log it. CatchVault is on iOS, with Android on the way.