Top fish species at Flat Lake

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Check which species have trophy potential in Flat Lake

Flat Lake fishing reports

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recently logged catches

2 years ago

Largemouth bass

length Β· weight

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recently logged catches

4 years ago

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Largemouth bass

length Β· weight

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recently logged catches

8 years ago

Largemouth bass

length Β· weight

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recently logged catches

8 years ago

Largemouth bass

length Β· weight

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recently logged catches

8 years ago

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Channel catfish

12 in Β· 1 lb

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recently logged catches

8 years ago

Largemouth bass

length Β· weight

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General info

Flat Lake is a lake located in Saint Martin Parish, Louisiana, United States. It is most popular for fishing Largemouth bass, Channel catfish, and Bluegill.

Location

29Β°45β€²5.8β€³N 91Β°12β€²13.3β€³W
Directions

When is the Largemouth Bass biting in Flat Lake?

Learn what hours to go fishing at Flat Lake. Download the app today and get started looking for fishing spots, prepare for your next fishing trip, and try out our BiteTimeβ„’ feature, explore fishing spots, and save relevant baits to prepare for your next fishing trip.

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Fishing regulations at Flat Lake, LA

Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.

Fishing regulations in Louisiana can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.

Below you will see fishing regulations for catching species as of June 25, 2025. To view regulations for a different fish species, please click on your preferred species in the drop-down.

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Local laws and licenses

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Cities nearby

Morgan City

3.4 miles away

Franklin

18.5 miles away

Thibodaux

23.4 miles away

Donaldsonville

26.9 miles away

Bayou Cane

28.6 miles away

Houma

32.2 miles away

Bayou Blue

32.9 miles away

Gramercy

37.3 miles away

New Iberia

40.9 miles away

Prairieville

41.6 miles away

Gardere

42.1 miles away

Shenandoah

46.5 miles away

Baton Rouge

47.9 miles away

Laplace

48.9 miles away

Luling

52.1 miles away

Destrehan

52.2 miles away

Broussard

52.3 miles away

Youngsville

53.1 miles away

Breaux Bridge

55.7 miles away

Central

56.7 miles away

Abbeville

57.4 miles away

Baker

57.5 miles away

Kenner

59.6 miles away

River Ridge

60.6 miles away

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FAQ about Flat Lake fishing

Flat Lake is a lake located in Saint Martin Parish, Louisiana, United States. Its coordinates are:
29Β°45β€²5.8β€³N 91Β°12β€²13.3β€³W
.
Find the best fishing spots on Flat Lake by looking at where other anglers have caught fish. This can easily be done in the where it is also possible to see big fish potential and how good fishing is right now along with Navionics depth maps.
The most common species in Flat Lake are:
The latest Flat Lake fishing reports are:
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