Lakes / Maryland / Largest Lakes in Maryland

Largest Lakes in Maryland

Ranked by surface area, from USGS National Hydrography Dataset lake data. Flowages and reservoirs count here - size is size - and each is labeled in its own record.

#	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	-
6	Rocky Gorge Reservoir	Montgomery	655 acres	-
7	Little Seneca Lake	Montgomery	480 acres	-
8	Savage River Reservoir	Garrett	360 acres	-
9	Backgarden Pond	Dorchester	347 acres	-
10	Goose Pond	Dorchester	302 acres	-
11	Piney Run Lake	Carroll	281 acres	-
12	Savanna Lake	Dorchester	281 acres	-
13	Little Savanna Lake	Dorchester	271 acres	-
14	Pearce Creek Disposal Area Lake	Cecil	233 acres	-
15	Saint Marys Lake	St. Mary's	226 acres	-
16	Lake Habeeb	Allegany	198 acres	-
17	Higgins Millpond	Dorchester	137 acres	-
18	Purnell Pond	Worcester	113 acres	-
19	Johnson Pond	Wicomico	110 acres	-
20	Lake Roland	Baltimore	98 acres	-
21	Big Pool	Washington	93 acres	-
22	Rock Pond	Somerset	86 acres	-
23	Frostburg Reservoir	Garrett	81 acres	-
24	Wolfpit Pond	Dorchester	80 acres	-
25	Barbadoes Pond	Dorchester	75 acres	-
26	Trinity Lake	Charles	73 acres	-
27	Chesapeake Ranch Club Lake	Calvert	72 acres	-
28	Big Millpond	Worcester	65 acres	-
29	Meadow Run Lake	Garrett	63 acres	-
30	Hog Rooting Pond	Dorchester	61 acres	-
31	Leonard Pond	Wicomico	57 acres	-
32	Swan Pond	Dorchester	57 acres	-
33	Cash Lake	Prince George's	56 acres	-
34	Lake Montebello	Baltimore	56 acres	-
35	Wheatley Lake	Charles	56 acres	-
36	Blackwater Pond	Dorchester	55 acres	-
37	Clopper Lake	Montgomery	54 acres	-
38	Parish Pond	Dorchester	54 acres	-
39	Boyd Pond	Anne Arundel	52 acres	-
40	Lake Bernard Frank	Montgomery	52 acres	-
41	Druid Lake	Baltimore	51 acres	-
42	Williston Lake	Caroline	51 acres	-
43	Gilbert Pond	Charles	50 acres	-
44	Unicorn Mill Pond	Queen Anne's	48 acres	-
45	Wye Mills Community Lake	Queen Anne's	48 acres	-
46	Centennial Lake	Howard	46 acres	-
47	Chesapeake City East Disposal Area	Cecil	45 acres	-
48	Mill Pond	Cecil	44 acres	-
49	Buddy Pond	Worcester	43 acres	-
50	Smithville Lake	Caroline	43 acres	-
51	Schumaker Pond	Wicomico	42 acres	-
52	Dalecarlia Reservoir	Montgomery	41 acres	-
53	Hunting Creek Lake	Frederick	41 acres	-
54	Herrington Manor Recreation Area Reservoir	Garrett	39 acres	-
55	Broad Creek Memorial Camp Reservoir	Harford	38 acres	-
56	Mill Pond	Kent	38 acres	-
57	Bramble Lake	Kent	37 acres	-
58	Lake Artemesia	Prince George's	35 acres	-
59	Parker Pond	Wicomico	35 acres	-
60	Atkisson Reservoir	Harford	33 acres	-
61	Lake Elkhorn	Howard	33 acres	-
62	Fairlee Lake	Kent	32 acres	-
63	Lake Louise	Garrett	32 acres	-
64	Stavley Pond	Kent	32 acres	-
65	Green Holly Pond	St. Mary's	31 acres	-
66	Lake Kittamaqundi	Howard	29 acres	-
67	Lake Whetstone	Montgomery	29 acres	-
68	Wrights Pond	Worcester	28 acres	-
69	Blue Pond	Worcester	27 acres	-
70	Chester River Country Club Lake	Dorchester	27 acres	-
71	Greenbriar Lake	Washington	27 acres	-
72	Montrose Farm Pond	Kent	27 acres	-
73	Pond Number Three	St. Mary's	27 acres	-
74	Redington Lake	Prince George's	27 acres	-
75	Blairs Valley Lake	Washington	26 acres	-
76	Fresh Pond	Anne Arundel	25 acres	-
77	Lake Ashburton	Baltimore	25 acres	-
78	Mill Pond	Kent	25 acres	-

Source: USGS National Hydrography Dataset lake data. Verified October 30, 2026. New lakes are added as their records are verified - rankings update with every addition.