Island Lake (Mason County)

Island Lake is open year-round for fishing. The lake is stocked in April and May with catchable-size (10"-12") and some larger jumbo and triploid Rainbow Trout.  Fingerling (4-5") Rainbow Trout stocked last fall will have fed in the lake and grown larger and also contribute quality fish to the fishery. The daily trout limit is 5 fish; no more than 2 over 14" may be retained. The lake also provides fair fishing for largemouth and smallmouth bass and good fishing for yellow perch.

There is a state access with boat ramp and one toilet. See Washington State Parks website for ADA accessibility  information.

Two-pole fishing is NOT allowed

Shoreline access: Good - There is shoreline fishing access only at the WDFW boat launch. There are many overhead trees.

WDFW water access areas on this lake

Species you might catch

Lake information

County: Mason
Acreage: 104.90 ac.
Elevation: 230 ft.
Center: 47.248735, -123.11793
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Fishing prospects calendar

Rainbow trout

Fishing success for Rainbow Trout is generally best in the spring when thousands of fish are stocked statewide, but they can be caught year-round in most waters with a little patience and persistence. Success remains high into June and gradually declines as water temperatures increase and fish move offshore to stay cool. Fish that escaped the spring harvest return to the nearshore areas in the fall as waters cool off. Some waters may also be stocked again in the fall further boosting catch rates.

Chart showing fishing prospects throughout the calendar year

Largemouth bass

Fishing improves throughout the spring as waters warm and fish move onshore, peaking during the spawn. Summer is a slight lull though dawn/dusk hours can be very good. Catch improves in Fall as waters cool, vegetation begins to die back, and prey becomes more available. Winter is the hardest time because fish are offshore and slow moving.

Chart of fishing prospects throughout the calendar year

Smallmouth bass

Fishing improves throughout the spring as waters warm and fish move onshore, peaking during the spawn. Summer is a slight lull though dawn/dusk hours can be very good. Catch improves in Fall as waters cool, vegetation begins to die back, and prey becomes more available. Winter is the hardest time because fish are offshore and slow moving.

Chart of fishing prospects throughout the calendar year

Yellow perch

Yellow Perch can be caught year-round. Fishing is best in the summer after they finish spawning in April-May. Fish can be readily angled through the summer from both the shore and boat. Catch begins to decline in the fall as water temperatures cool and fish move offshore forcing anglers to pursue them in boats. Successful fishing for Yellow Perch in the winter involves either targeting schools in deep water from boats or through the ice.

Chart of fishing prospects throughout the calendar year