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704-acre lake in Kenora District, Ontario. The lake tops out around 26 ft. The depth data here comes from a transect sounding survey by the Ontario MNRF. Here is how the season plays out for each species, straight from the data behind the map.
The drawn water covers 707 acres wrapped in 6.2 miles of bank. A middling shoreline index (1.7) gives it some bays to work without being a maze. 65% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. End to end it runs roughly 1.5 mi, about 1.3 mi across. It sits in Kenora District. Its nearest charted neighbour, Clace Lake, is 3 mi to the northwest.
Spring puts lake whitefish in skinny water — 8 to 26 ft is the zone. Summer fish stay in 8 to 26 ft, and winter fish hold in 8 to 26 ft. Summer lake whitefish concentrate at Deep basin, a prime-rated deep basin around 26 ft. Warm-month bites cluster around early morning. A blade bait vertical or a small jigging spoon covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 8 to 26 ft | midday & dawn | Break off the point (22 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 8 to 26 ft | dawn | Deep basin (26 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 7 to 26 ft | dusk | Break off the point (22 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 8 to 26 ft | midday & dawn | Deep basin (26 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Start shallow in spring: walleye sit in 4 to 15 ft that time of year. Warm water sends them out to 8 to 26 ft; cold water stacks them in 8 to 26 ft. Top water on the chart: Break off the point, a drop-off in the 22 ft range, prime in fall. Fish it in the evening and early morning and you'll meet the bite. Throw a crawler harness on bottom bouncer or a deep crankbait (trolled) until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Main-lake point (7 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 8 to 26 ft | dusk & dawn | Break off the point (22 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 8 to 26 ft | dusk & night | Break off the point (22 ft) | Jigging rap, Jig + big minnow |
| Winter | 8 to 26 ft | dusk & dawn | Deep basin (26 ft) | Jigging spoon + minnow head, Rattle bait |
Start shallow in spring: sauger sit in 4 to 18 ft that time of year. Summer pushes them deeper, 8 to 26 ft, and winter fish settle into 8 to 26 ft. The spot to know is Deep basin, a deep basin in about 26 ft of water that rates prime for sauger in winter. Warm-month bites cluster around early morning and the evening. Throw a bottom bouncer + crawler or a 3-way rig with stickbait until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 18 ft | dawn & dusk | Main-lake point (7 ft) | 3/8 oz jig + ringworm, Hair jig + minnow |
| Summer | 8 to 26 ft | dawn & dusk | Break off the point (22 ft) | Bottom bouncer + crawler, 3-way rig with stickbait |
| Fall | 8 to 26 ft | dusk & dawn | Break off the point (22 ft) | Jig + big minnow, Blade bait |
| Winter | 8 to 26 ft | dusk | Deep basin (26 ft) | Heavy jigging spoon, Jig + minnow (vertical) |
Spring puts yellow perch in skinny water — 3 to 12 ft is the zone. Warm water sends them out to 8 to 26 ft; cold water stacks them in 8 to 26 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring yellow perch. Plan around early morning in the warm months. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (3 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 8 to 26 ft | dawn | Deep basin (26 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 8 to 26 ft | midday | Deep basin (26 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 8 to 26 ft | midday & dawn | Deep basin (26 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Spring northern pike on Marsh Lake hold shallow, usually 2 to 8 ft. They move out to 8 to 20 ft in summer and finish the year down in 5 to 15 ft. Put Shallow bay flat first on the milk run — a weed flat near 3 ft that grades prime for spring. The feeding windows run early morning and the evening. The summer box starts with a bucktail or a weedless spoon over cabbage.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (3 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Main-lake point (7 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Main-lake point (7 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (3 ft) | Tip-ups, Large jigging spoon |
Structure-wise the chart holds 6 features, led in depth by Deep basin at roughly 26 ft.
Season dates, license requirements, and size and bag limits for Ontario waters are set by the Ontario fishing regulations (FMZ summary) — and special regulations can apply to Marsh Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Marsh Lake is about 26 ft (8 m) deep at its deepest point. The depth data here comes from a transect sounding survey by the Ontario MNRF.
Anglers target lake whitefish, walleye, sauger, yellow perch, northern pike on Marsh Lake.
Deep basin is the top-rated area: a deep basin in about 26 ft of water that rates prime for lake whitefish in summer. The map above holds the full rated-spot list for every species and season.
For lake whitefish, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Marsh Lake is regulated by the Ontario fishing regulations (FMZ summary). Check the official Ontario regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Clace Lake 3 mi · Twain Lake 3 mi · Great Portage Lake 3 mi · Armour Lake 6 mi · Tuktegweik Lake 6 mi · Lac Seul 7 mi · Hall Lake 8 mi · Spruce L. 10 mi · Wapesi Lake 11 mi · Birmingham Lake 11 mi · Griff Lake 14 mi · Pusher Lake 14 mi
See how Marsh Lake stacks up: best walleye lakes in Ontario · best sauger lakes in Ontario · best northern pike lakes in Ontario · best yellow perch lakes in Ontario
More water nearby: Kenora District fishing maps (1173 charts). Browse all Ontario fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. 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.