Lakes / Louisiana / St. Martin County

Lakes in St. Martin County, Louisiana

17 lakes counted in St. Martin County - the largest is Lake Palourde at 10,809.86 acres.

Lakes Counted

10,809.86 acres

Largest - Lake Palourde

St. Martin County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	Lake Palourde	St. Martin	10,809.86 acres	-
2	Lake Bigeux	St. Martin	4,794.83 acres	-
3	Grassy Lake	St. Martin	1,241.45 acres	-
4	Spanish Lake	St. Martin	1,217.11 acres	-
5	Duck Lake	St. Martin	1,175.34 acres	-
6	Cow Island Lake	St. Martin	624.56 acres	-
7	Lake la Pointe	St. Martin	437.28 acres	-
8	Lake Pelba	St. Martin	216.86 acres	-
9	Bay Baron	St. Martin	201.75 acres	-
10	Bay Toni	St. Martin	201.17 acres	-
11	Boutte Cove	St. Martin	150.76 acres	-
12	Warner Lake	St. Martin	121.89 acres	-
13	Crossing Cove	St. Martin	109.43 acres	-
14	Catahoula Lake	St. Martin	76.86 acres	-
15	Jackass Bay	St. Martin	53.01 acres	-
16	Haha Bay	St. Martin	48.05 acres	-
17	Begnard Bay	St. Martin	30.37 acres	-

Sources: Louisiana Department of Wildlife and Fisheries lake data; USGS. Verified October 30, 2026.