Lakes / Louisiana / Lafourche County / Little Grand Bay
Little Grand Bay, Louisiana
366.38 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Louisiana
29.33 degrees N, 90.33 degrees W - Lafourche County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Louisiana Department of Wildlife and Fisheries coordinates, not by eye. Schematic - not a survey map.
How Little Grand Bay Stacks Up
- Larger than 68% of the 664 lakes counted in Louisiana.
- About 46 miles from New Orleans, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Bay Courant | Lafourche | 1.0 mi | 1,177.58 acres |
| Chinaman Bayou | Lafourche | 2.0 mi | 470.64 acres |
| Bay Sevin | Lafourche | 2.8 mi | 204.47 acres |
| Bay des Conards | Lafourche | 3.0 mi | 148.6 acres |
| Lake Billiot | Terrebonne | 3.6 mi | 534.36 acres |
| Catfish Lake | Lafourche | 3.6 mi | 2,544.89 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Little Grand Bay
How Big Is Little Grand Bay?
Little Grand Bay covers 366.38 acres in Lafourche County, Louisiana.
What Is the Largest Lake in Lafourche County?
Little Lake is the largest lake in Lafourche County, at 3,552.25 acres.
Deepest Natural Lakes in Louisiana
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | False River | Pointe Coupee | 3,212 acres | 65 ft |
| 2 | Vernon Lake | Vernon | 6 acres | 53 ft |
| 3 | Lake Concordia | Concordia | 1,026 acres | 50 ft |
| 4 | Caney Creek Reservoir | Jackson | 4,738 acres | 43 ft |
| 5 | Lake Providence | East Carroll | 1,380 acres | 37 ft |
All 27 Louisiana lakes ranked by depth
Largest Lakes in Louisiana
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Pontchartrain | Jefferson | 407,803.25 acres | - |
| 2 | Toledo Bend Reservoir | Sabine | 181,600 acres | 110 ft |
| 3 | Lake Maurepas | Livingston | 58,308.4 acres | - |
| 4 | Sabine Lake | Cameron | 56,867.74 acres | - |
| 5 | White Lake | Vermilion | 55,913.91 acres | - |
All 664 Louisiana lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID {07CD22C8-86A3-4799-A245-D42FC1BA11EB}). Verified October 30, 2026.