Lakes / South Dakota / Hyde County / Marshy Lake
Marshy Lake, South Dakota
95.06 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
44.43 degrees N, 99.58 degrees W - Hyde County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Marshy Lake Stacks Up
- Larger than 39% of the 533 lakes counted in South Dakota.
- About 39 miles from Pierre, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Chapelle Lake | Hyde | 1.9 mi | 39.54 acres |
| Woodruff Lake | Hughes | 11 mi | 85.91 acres |
| Lake Ambrose | Hyde | 13 mi | 33.61 acres |
| Walker Lake | Sully | 14 mi | 59.59 acres |
| Lake Boehm | Hyde | 15 mi | 54.61 acres |
| Mitchell Lake | Hyde | 19 mi | 551.54 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Marshy Lake
How Big Is Marshy Lake?
Marshy Lake covers 95.06 acres in Hyde County, South Dakota.
What Is the Largest Lake in Hyde County?
Mitchell Lake is the largest lake in Hyde County, at 551.54 acres.
Largest Lakes in South Dakota
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Oahe | Dewey | 309,912.57 acres | - |
| 2 | Lake Francis Case | Charles Mix | 82,166.92 acres | - |
| 3 | Lake Sharpe | Hughes | 58,419.67 acres | - |
| 4 | Lewis and Clark Lake | Bon Homme | 25,141.99 acres | - |
| 5 | Lake Thompson | Kingsbury | 13,887.93 acres | - |
All 533 South Dakota lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 148215349). Verified October 30, 2026.