Lakes / South Dakota / Hand County / Costigan Slough
Costigan Slough, South Dakota
76.11 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
44.81 degrees N, 99.01 degrees W - Hand 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 Costigan Slough Stacks Up
- Larger than 29% of the 533 lakes counted in South Dakota.
- About 52 miles from Aberdeen, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Matter Lake | Hand | 11 mi | 25.7 acres |
| Horseshoe Lake | Faulk | 12 mi | 62.52 acres |
| Lake Louise | Hand | 14 mi | 165.31 acres |
| Gerkin Lake | Faulk | 14 mi | 62.52 acres |
| Zell Lake | Faulk | 15 mi | 77.59 acres |
| Cottonwood Lake | Spink | 16 mi | 1,433.21 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Costigan Slough
How Big Is Costigan Slough?
Costigan Slough covers 76.11 acres in Hand County, South Dakota.
What Is the Largest Lake in Hand County?
Spring Lake is the largest lake in Hand County, at 553.76 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 142195507). Verified October 30, 2026.