Lakes / Mississippi / Jackson County / O'Leary Lake
O'Leary Lake, Mississippi
65.98 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Mississippi
30.41 degrees N, 88.53 degrees W - Jackson 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 O'Leary Lake Stacks Up
- Larger than 56% of the 382 lakes counted in Mississippi.
- About 34 miles from Gulfport, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Beardslee Lake | Jackson | 1.2 mi | 196.03 acres |
| Lake Catch-em-all | Jackson | 2.6 mi | 139.09 acres |
| Marsh Lake | Jackson | 3.4 mi | 524.69 acres |
| Big Lake | Jackson | 4.5 mi | 538.37 acres |
| Lake Yazoo | Jackson | 4.8 mi | 46.4 acres |
| Farrigut Lake | Jackson | 5.8 mi | 55.2 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About O'Leary Lake
How Big Is O'Leary Lake?
O'Leary Lake covers 65.98 acres in Jackson County, Mississippi.
What Is the Largest Lake in Jackson County?
Black Creek Cooling Pond is the largest lake in Jackson County, at 1,247.61 acres.
Largest Lakes in Mississippi
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Sardis Lake | Lafayette | 33,218.53 acres | - |
| 2 | Grenada Lake | Grenada | 16,988.3 acres | - |
| 3 | Arkabutla Lake | DeSoto | 11,389.45 acres | - |
| 4 | Enid Lake | Yalobusha | 6,290.32 acres | - |
| 5 | Bay Springs Lake | Tishomingo | 6,072.74 acres | - |
All 382 Mississippi lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 130918843). Verified October 30, 2026.