Lakes / South Dakota / Sanborn County
Lakes in Sanborn County, South Dakota
5 lakes counted in Sanborn County - the largest is Long Lake at 224.7 acres.
5
Lakes Counted
224.7 acres
Largest - Long Lake
Sanborn County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Long Lake | Sanborn | 224.7 acres | - |
| 2 | School Section Lakes | Sanborn | 182.28 acres | - |
| 3 | Twin Lakes | Sanborn | 139.86 acres | - |
| 4 | McCoy Lake | Sanborn | 61.28 acres | - |
| 5 | Letcher Lake | Sanborn | 27.18 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.