Lakes / Maryland / St. Mary's County / Green Holly Pond
Green Holly Pond, Maryland
31 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Maryland
38.29 degrees N, 76.46 degrees W - St. Mary's 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 Green Holly Pond Stacks Up
- Larger than 16% of the 78 lakes counted in Maryland.
- About 47 miles from Annapolis, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Pond Number Three | St. Mary's | 2.7 mi | 27 acres |
| Saint Marys Lake | St. Mary's | 5.1 mi | 226 acres |
| Chesapeake Ranch Club Lake | Calvert | 5.4 mi | 72 acres |
| Swan Pond | Dorchester | 21 mi | 57 acres |
| Barbadoes Pond | Dorchester | 22 mi | 75 acres |
| Blackwater Pond | Dorchester | 23 mi | 55 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Green Holly Pond
How Big Is Green Holly Pond?
Green Holly Pond covers 31 acres in St. Mary's County, Maryland.
What Is the Largest Lake in St. Mary's County?
Saint Marys Lake is the largest lake in St. Mary's County, at 226 acres.
Largest Lakes in Maryland
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Deep Creek Lake | Garrett | 3,679 acres | - |
| 2 | Liberty Lake | Carroll | 2,920 acres | - |
| 3 | Loch Raven Reservoir | Baltimore | 2,200 acres | - |
| 4 | Prettyboy Reservoir | Baltimore | 1,508 acres | - |
| 5 | Triadelphia Reservoir | Montgomery | 794 acres | - |
All 78 Maryland lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 81709005). Verified October 30, 2026.