Lakes / Indiana / Decatur County / Lake McCoy
Lake McCoy, Indiana
31.24 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Indiana
39.33 degrees N, 85.40 degrees W - Decatur 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 Lake McCoy Stacks Up
- Larger than 12% of the 425 lakes counted in Indiana.
- About 51 miles from Indianapolis, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Santee | Decatur | 7.2 mi | 214.33 acres |
| Mollenkramer Reservoir | Ripley | 11 mi | 37.02 acres |
| Bischoff Reservoir | Ripley | 12 mi | 202.73 acres |
| Middle Fork Lake | Decatur | 14 mi | 31.38 acres |
| Tall Oaks Lake | Ripley | 15 mi | 49.9 acres |
| Versailles State Park Dam | Ripley | 19 mi | 178.21 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake McCoy
How Big Is Lake McCoy?
Lake McCoy covers 31.24 acres in Decatur County, Indiana.
What Is the Largest Lake in Decatur County?
Lake Santee is the largest lake in Decatur County, at 214.33 acres.
Largest Lakes in Indiana
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Monroe Lake | Monroe | 11,112.45 acres | - |
| 2 | Patoka Lake | Orange | 9,120.83 acres | - |
| 3 | Brookville Lake | Franklin | 4,364.22 acres | - |
| 4 | Lake Wawasee | Kosciusko | 3,426.28 acres | - |
| 5 | Broad Pond | Gibson | 2,941.52 acres | - |
All 425 Indiana lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 58752926). Verified October 30, 2026.