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Fishing Marathon Lake: what the data says
127-acre lake near Ontario. The lake tops out around 61 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Here is how the season plays out for each species, straight from the data behind the map.
Lake Whitefish fishing at Marathon Lake
Start shallow in spring: lake whitefish sit in 15 to 45 ft that time of year. Summer pushes them deeper, 18 to 61 ft, and winter fish settle into 18 to 61 ft. The spot to know is Deep basin, a deep basin in about 52 ft of water that rates prime for lake whitefish in summer. In summer the feeding windows fall in early morning. Tie on a blade bait vertical or a small jigging spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 18 to 61 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 18 to 61 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Sauger fishing at Marathon Lake
Start shallow in spring: sauger sit in 4 to 18 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 15 to 45 ft. The spot to know is Break off the point, a drop-off in about 27 ft of water that rates prime for sauger in fall. Plan around early morning and the evening in the warm months. A bottom bouncer + crawler or a 3-way rig with stickbait covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 18 ft | dawn & dusk | 3/8 oz jig + ringworm, Hair jig + minnow |
| Summer | 10 to 30 ft | dawn & dusk | Bottom bouncer + crawler, 3-way rig with stickbait |
| Fall | 12 to 35 ft | dusk & dawn | Jig + big minnow, Blade bait |
| Winter | 15 to 45 ft | dusk | Heavy jigging spoon, Jig + minnow (vertical) |
Northern Pike fishing at Marathon Lake
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. By summer they slide out to 8 to 20 ft, and by winter most fish are in 5 to 15 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. A bucktail or a weedless spoon over cabbage covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Notable structure
- Deep basin: deep basin, around 52 ft
- Break off the point: drop-off, around 27 ft
- Main-lake point: point, around 15 ft
- Secondary point: point, around 15 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Marathon Lake?
Marathon Lake is about 61 ft at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Marathon Lake?
Anglers target sauger, northern pike, lake whitefish on Marathon Lake.
Where is the best fishing spot on Marathon Lake?
Deep basin is the top-rated area: a deep basin in about 52 ft of water that rates prime for lake whitefish in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Marathon Lake?
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.
Nearby waters
Mary L. · Trusz L. · Mirky L. · Cooke L. · Dungg L. · Marilyn L.
See how Marathon Lake stacks up: best sauger lakes in Ontario · best northern pike lakes in Ontario · best lake whitefish lakes in Ontario
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