Lakes / Indiana / Sullivan County / Lake Sullivan
Lake Sullivan, Indiana
468.2 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Indiana
39.11 degrees N, 87.38 degrees W - Sullivan 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 Sullivan Stacks Up
- Larger than 91% of the 425 lakes counted in Indiana.
- About 46 miles from Bloomington, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Thunderbird Pond | Sullivan | 7.4 mi | 41.56 acres |
| Lake Kickapoo | Sullivan | 8.3 mi | 258.04 acres |
| Turtle Creek Lake | Sullivan | 8.5 mi | 1,557.7 acres |
| Lake Shakamak | Sullivan | 8.8 mi | 54.21 acres |
| Lake Lenape | Greene | 8.9 mi | 57.63 acres |
| Reservoir Number Twenty-six | Sullivan | 9.8 mi | 44.73 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Sullivan
How Big Is Lake Sullivan?
Lake Sullivan covers 468.2 acres in Sullivan County, Indiana.
What Is the Largest Lake in Sullivan County?
Turtle Creek Lake is the largest lake in Sullivan County, at 1,557.7 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 155472197). Verified October 30, 2026.