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74-acre lake near Island County. The lake tops out around 17 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. Every species below gets its seasonal read from the same numbers driving the chart.
Drawn out, this is 74 acres of water rimmed by 1.3 miles of bank. Its 1.1 shoreline index means few bank features; the contours below do the pattern work. About 91% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Call it 0.4 mi long by 0.4 mi wide at the broadest reach. You'll find it in Island County. The nearest mapped water is Lake Goss, 1 mi to the northwest.
Start shallow in spring: rainbow trout sit in 4 to 17 ft that time of year. They don't go far with the seasons — 5 to 17 ft covers summer, 3 to 17 ft covers winter. The spot to know is Break off the point, a drop-off in about 12 ft of water that rates prime for rainbow trout in winter. Warm-month bites cluster around early morning and the evening. Throw a dodger + spoon (deep troll) or a flutter spoon until the fish tell you otherwise.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 17 ft chart-limited; documented 5 to 20 ft | dawn & dusk | Break off the point (12 ft) | Inline spinner (silver), Small spoon |
| Summer | 5 to 17 ft chart-limited; documented 8 to 30 ft | dawn & dusk | Break off the point (12 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 5 to 17 ft chart-limited; documented 10 to 35 ft | dawn & dusk | Break off the point (12 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 3 to 17 ft chart-limited; documented 8 to 40 ft | dawn | Break off the point (12 ft) | Jigging spoon, Tube jig (white) |
Start shallow in spring: brown bullhead sit in 2 to 8 ft that time of year. Warm water sends them out to 3 to 12 ft; cold water stacks them in 5 to 17 ft. Top water on the chart: Deep basin, a deep basin in the 17 ft range, prime in winter. Fish it in after dark and the evening and you'll meet the bite.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | Shallow bay flat (1 ft) | |
| Summer | 3 to 12 ft | night & dusk | Shallow bay flat (1 ft) | |
| Fall | 5 to 15 ft | dusk | Deep basin (17 ft) | |
| Winter | 5 to 17 ft chart-limited; documented 10 to 25 ft | midday | Deep basin (17 ft) |
Spring puts largemouth bass in skinny water — 2 to 10 ft is the zone. Warm water sends them out to 5 to 17 ft; cold water stacks them in 5 to 17 ft. Break off the point is the standout, a drop-off at roughly 12 ft, rated prime for winter largemouth bass. Plan around early morning and the evening in the warm months. A texas-rigged 10" worm or a deep-diving crankbait covers the summer program.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Shallow bay flat (1 ft) | Spinnerbait, Chatterbait |
| Summer | 5 to 17 ft chart-limited; documented 8 to 20 ft | dawn & dusk | Break off the point (12 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Main-lake point (1 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 5 to 17 ft chart-limited; documented 15 to 35 ft | midday | Break off the point (12 ft) | Blade bait, Jigging spoon |
Lone Lake carries 5 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 17 ft down.
Access data: Washington WDFW — Water Access Sites. Confirm conditions and fees locally before you launch.
| Date | Species | Count | Size |
|---|---|---|---|
| Apr 8 | Rainbow trout | 2,700 | — |
Source: WDFW fish-stocking reports, retrieved 2026-09-23.
Season dates, license requirements, and size and bag limits for Washington waters are set by the Washington Department of Fish and Wildlife — and special regulations can apply to Lone Lake specifically, so confirm the current rules before you fish.
Check the official Washington fishing regulations →
Lone Lake is about 17 ft (5 m) deep at its deepest point. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target rainbow trout, brown bullhead, largemouth bass on Lone Lake.
Deep basin is the top-rated area: a deep basin in about 17 ft of water that rates prime for brown bullhead in winter. The interactive chart above rates every spot for each species and season.
For rainbow trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Yes — per WDFW fish-stocking reports records, Lone Lake was most recently stocked Apr 8 with 2,700 rainbow trout. The full stocking history is listed above.
Fishing on Lone Lake is regulated by the Washington Department of Fish and Wildlife. Check the official Washington regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Lake Goss 1 mi · Deer Lake 5 mi · Buck Lake 9 mi · Lake Shoecraft 11 mi · Lake Goodwin 11 mi · Lake Howard 11 mi · Lake Martha 12 mi · Crabapple Lake 12 mi · Lake Loma 12 mi · Lake Ki 13 mi · Browns Bay 13 mi · Lake Serene 13 mi
See how Lone Lake stacks up: best largemouth bass lakes in Washington · best rainbow trout lakes in Washington
Browse all Washington fishing maps. See every water on DepthScout. Bathymetry: published agency survey data. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.