Lakes / Michigan / South Manistique Lake
South Manistique Lake, Michigan
4,132 acres
Surface Area
29 ft
Max Depth
10.6 ft
Average Depth
691 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Michigan
46.20 degrees N, 85.75 degrees W - Mackinac County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Michigan DNR coordinates, not by eye. Schematic - not a survey map.
Depth Profile - South Manistique Lake
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How South Manistique Lake Stacks Up
- The largest lake in Mackinac County among those counted.
- About 82 miles from Marquette, as the crow flies.
Facts and Figures
Waterbody ID49-280
CountyMackinac
Coordinates46.1992, -85.7476
Deepest Natural Lakes in Michigan
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Torch Lake | Antrim | 18,713 acres | 285 ft |
| 2 | Elk Lake | Antrim | 8,194 acres | 192 ft |
| 3 | Crystal Lake | Benzie | 9,865 acres | 175 ft |
| 4 | Lake Angeline | Marquette | - | 162 ft |
| 5 | Syphon Lake | Luce | 11 acres | 160 ft |
Largest Lakes in Michigan
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Houghton Lake | Roscommon | 20,070 acres | 21 ft |
| 2 | Torch Lake | Antrim | 18,713 acres | 285 ft |
| 3 | Burt Lake | Cheboygan | 17,393 acres | 73 ft |
| 4 | Lake Charlevoix | Charlevoix | 17,256 acres | 120 ft |
| 5 | Mullett Lake | Cheboygan | 16,702 acres | 120 ft |
Sources: Michigan DNR lake data (ID 49-280); USGS. Verified October 30, 2026.