199 lakes, ponds and reservoirs with their own page: every named lake, pond and reservoir of about 5 acres (0.02 km²) or more, from the USGS National Hydrography Dataset. They are grouped by county and the city or town that touches the most of the water (or the nearest city).
New: 252 Maryland campgrounds & RV parks, each with its closest lakes.
Allegany (2) Anne Arundel (17) Baltimore (10) Calvert (5) Caroline (5) Carroll (5) Cecil (8) Charles (5) Dorchester (25) Frederick (8) Garrett (13) Harford (5) Howard (7) Kent (11) Montgomery (14) Prince George's (14) Queen Anne's (4) Somerset (4) St. Mary's (12) Washington (5) Wicomico (10) Worcester (10)
Cumberland
Annapolis
Baltimore
Bowie
Baltimore
Hampstead
Leonardtown
Upper Marlboro
Denton
Federalsburg
Goldsboro
Preston
Hampstead
Sykesville
Westminster
Betterton
Cecilton
Chesapeake City
Rising Sun
Eagle Harbor
La Plata
Cambridge
Crisfield
Galestown
Hurlock
Preston
Vienna
Barnesville
Emmitsburg
Frederick
Mount Airy
Myersville
New Market
Thurmont
Accident
Deer Park
Friendsville
Frostburg
Grantsville
Kitzmiller
Luke
Mountain Lake Park
Oakland
Bel Air
Port Deposit
Brookeville
Laurel
Chestertown
Galena
Millington
Rock Hall
Gaithersburg
Poolesville
Rockville
Somerset
Bowie
College Park
Glenarden
Greenbelt
Laurel
Morningside
Upper Marlboro
Centreville
Highland Beach
Millington
Crisfield
Fruitland
Leonardtown
Lexington Park
St. George Island
Boonsboro
Clear Spring
Smithsburg
Fruitland
Mardela Springs
Salisbury
Berlin
Pocomoke City
Snow Hill