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2,835-acre lake in Kenora District, Ontario. The lake tops out around 46 ft. The depth data here comes from the Ontario MNRF survey of 1985 (a transect sounding survey). The exact depth survey is published on its own because no defensible water-specific species roster was found.
On the chart, Mary's Lake draws 2,847 acres inside 53.8 miles of shoreline, with 25 islands in the mix. That shoreline is heavily fingered (development index 7.2) — bays, points and pockets everywhere, which multiplies the fishable edge. Roughly 76% of the water is 15 ft or less, the band where the food chain lives. Tip to tip the water measures near 5.9 mi with a 2.3-mi widest point. You'll find it in Kenora District. For a second option, Artery Lake lies 4 mi west.
Mary's Lake carries 11 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 45 ft down.
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 Mary's Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Mary's Lake is about 46 ft (14 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1985 (a transect sounding survey).
No official water-specific fish survey, inspected stocking record, reported-catch roster, or species-bearing fisheries classification was found for Mary's Lake. Its depth chart is still a real survey; species and fishing spots are intentionally left unclaimed.
Fishing on Mary's 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.
Artery Lake 4 mi · Robert Lake 13 mi · Job Lake 16 mi · Irwin Lake 18 mi · Mimi Lake 25 mi · Knox Lake 28 mi · Frances Lake 30 mi, ON/MB · Paishk Lake 31 mi · Roderick Lake 33 mi · Crystal L. 34 mi · Mather Lake 34 mi · Rice Lake 35 mi, MB
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.