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795-acre lake near Ontario. The lake tops out around 5 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.
Start shallow in spring: walleye sit in 1 to 5 ft that time of year. Summer fish stay in 2 to 5 ft, and winter fish hold in 2 to 5 ft. If you only fish one area, make it Break off the point: a drop-off around 2 ft that scores prime in fall. In summer the feeding windows fall in the evening and early morning. A crawler harness on bottom bouncer or a deep crankbait (trolled) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 5 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 2 to 5 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 2 to 5 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 2 to 5 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Start shallow in spring: yellow perch sit in 1 to 5 ft that time of year. Summer fish stay in 2 to 5 ft, and winter fish hold in 2 to 5 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for yellow perch in spring. In summer the feeding windows fall in early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 5 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 2 to 5 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 2 to 5 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 2 to 5 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
In spring, northern pike run shallow here, mostly 1 to 5 ft. Summer fish stay in 2 to 5 ft, and winter fish hold in 2 to 5 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for northern pike in spring. In summer the feeding windows fall in early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 5 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 2 to 5 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 2 to 5 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 2 to 5 ft | midday | Tip-ups, Large jigging spoon |
Spring smallmouth bass on Isaac Lake hold shallow, usually 1 to 5 ft. Summer fish stay in 2 to 5 ft, and winter fish hold in 2 to 5 ft. If you only fish one area, make it Main-lake point: a point around 5 ft that scores prime in fall. Plan around early morning and the evening in the warm months. Tie on a drop shot (goby/minnow) or a ned rig and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 5 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 2 to 5 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 2 to 5 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 2 to 5 ft | midday | Blade bait, Hair jig |
Spring largemouth bass on Isaac Lake hold shallow, usually 1 to 5 ft. Summer fish stay in 2 to 5 ft, and winter fish hold in 2 to 5 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Best bite is early morning and the evening. A texas-rigged 10" worm or a deep-diving crankbait covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 5 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 2 to 5 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 1 to 5 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 2 to 5 ft | midday | Blade bait, Jigging spoon |
Spring rock bass on Isaac Lake hold shallow, usually 1 to 5 ft. Summer fish stay in 1 to 5 ft, and winter fish hold in 2 to 5 ft. If you only fish one area, make it Main-lake point: a point around 5 ft that scores prime in summer. Best bite is the evening. Tie on a ned rig (small) or a marabou jig and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 5 ft | midday & dawn | 1/16 oz jig + grub, Small inline spinner |
| Summer | 1 to 5 ft | dusk | Ned rig (small), Marabou jig |
| Fall | 2 to 5 ft | midday | Small tube jig, Inline spinner |
| Winter | 2 to 5 ft | midday | Tungsten jig + plastic, Small spoon + spike |
Isaac Lake also holds pumpkinseed (1 to 5 ft in summer), brown bullhead (1 to 5 ft in summer), common carp (1 to 5 ft in summer). Pick any of them on the map above for rated spots and bait picks.
How deep is Isaac Lake?
Isaac Lake is about 5 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 Isaac Lake?
Anglers target largemouth bass, smallmouth bass, walleye, northern pike, yellow perch, common carp, rock bass, pumpkinseed, brown bullhead on Isaac Lake.
Where is the best fishing spot on Isaac Lake?
Break off the point is the top-rated area: a drop-off in about 2 ft of water that rates prime for walleye in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish Isaac Lake?
For walleye, the summer bite is best in the evening and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
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See how Isaac Lake stacks up: best largemouth bass lakes in Ontario · best smallmouth bass lakes in Ontario · best walleye lakes in Ontario · best northern pike lakes in Ontario
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