Lakes / South Dakota / Aurora County / Crystal Lake
Crystal Lake, Aurora County, South Dakota
170.01 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
43.64 degrees N, 98.57 degrees W - Aurora 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 Crystal Lake Stacks Up
- Larger than 58% of the 533 lakes counted in South Dakota.
- About 92 miles from Sioux Falls, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Pleasant Lake | Aurora | 3.2 mi | 53.62 acres |
| Horse Shoe Lake | Aurora | 3.3 mi | 581.69 acres |
| Schmitz Lake | Aurora | 6.9 mi | 32.37 acres |
| Scott Lake | Aurora | 8.0 mi | 28.91 acres |
| Platte Lake | Aurora | 10 mi | 966.18 acres |
| Fish Lake | Aurora | 11 mi | 190.27 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Crystal Lake
How Big Is Crystal Lake?
Crystal Lake covers 170.01 acres in Aurora County, South Dakota.
What Is the Largest Lake in Aurora County?
White Lake is the largest lake in Aurora County, at 1,693.93 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 148201548). Verified October 30, 2026.