Lakes / Delaware / Sussex County / Rehoboth Flats
Rehoboth Flats, Delaware
225 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Delaware
38.75 degrees N, 75.09 degrees W - Sussex 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 Rehoboth Flats Stacks Up
- Ranks #2 for surface area among the Delaware lakes counted so far - 225 acres.
- About 2 miles from Rehoboth Beach, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Goslee Mill Pond | Sussex | 5.9 mi | 27 acres |
| Red Mill Pond | Sussex | 6.8 mi | 192 acres |
| Burton Pond | Sussex | 7.8 mi | 40 acres |
| Spatterdock Pond | Sussex | 11 mi | 32 acres |
| Big Round Pond | Sussex | 12 mi | 477 acres |
| Wilson Pond | Sussex | 12 mi | 25 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Rehoboth Flats
How Big Is Rehoboth Flats?
Rehoboth Flats covers 225 acres in Sussex County, Delaware.
What Is the Largest Lake in Sussex County?
Big Round Pond is the largest lake in Sussex County, at 477 acres.
Largest Lakes in Delaware
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Big Round Pond | Sussex | 477 acres | - |
| 2 | Rehoboth Flats | Sussex | 225 acres | - |
| 3 | Shearness Pool | Kent | 203 acres | - |
| 4 | Lums Pond | New Castle | 198 acres | - |
| 5 | Red Mill Pond | Sussex | 192 acres | - |
All 58 Delaware 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 124167397). Verified October 30, 2026.