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Lakes / Maryland / St. Mary's County / Pond Number Three

Pond Number Three, Maryland

27 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Maryland

BaltimoreAnnapolisPond Number ThreeSt. Mary's Co.

38.27 degrees N, 76.43 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 Pond Number Three Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Green Holly PondSt. Mary's2.7 mi31 acres
Saint Marys LakeSt. Mary's6.4 mi226 acres
Chesapeake Ranch Club LakeCalvert6.7 mi72 acres
Swan PondDorchester20 mi57 acres
Barbadoes PondDorchester21 mi75 acres
Blackwater PondDorchester22 mi55 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID132021742
Lake TypeLake
Coordinates38.2678, -76.4263

Questions About Pond Number Three

How Big Is Pond Number Three?

Pond Number Three covers 27 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

#LakeCountySurface AreaMax Depth
1Deep Creek LakeGarrett3,679 acres-
2Liberty LakeCarroll2,920 acres-
3Loch Raven ReservoirBaltimore2,200 acres-
4Prettyboy ReservoirBaltimore1,508 acres-
5Triadelphia ReservoirMontgomery794 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 132021742). Verified October 30, 2026.