The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (point drop-off) is open for everyone; the other 6 come with LakeScope PRO. Full screen
Petain Lagoon
St. Bernard Parish, Louisiana · about 1,920 acres (3 sq mi)
Windy Friday (15 mph NW).
About Petain Lagoon
Petain Lagoon spreads over about 1,920 acres in St. Bernard Parish, Louisiana.
It stretches about 4.3 miles end to end and its shoreline adds up to about 25 miles. Poydras is about 12 miles northwest. New Orleans, the nearest city, is about 25 miles northwest.
- Size
- About 1,920 acres (3 sq mi)
- Shoreline
- About 25 miles
- End to end
- About 4.3 miles
- County
- St. Bernard Parish
The lake from above
Best fishing times
Friday Fair
- 5:45 am – 8:00 amsunrise
- 3:30 pm – 4:30 pm bestsunset, moon overhead · wind 15 mph
Saturday Good
- 3:30 pm – 5:30 pm bestsunset, moon overhead · wind 15 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
Expect the usual Louisiana mix for a lake this size: largemouth bass, crappie, catfish and bluegill and sunfish. The state fish and wildlife agency lists what is stocked and the rules for this lake.
- Largemouth bass
- Crappie
- Catfish
- Bluegill and sunfish
Fishing spots
- 1Point drop-off
The bottom falls away fast off this point; fish rest deep and move up the slope to feed.
- 2
- 3
- 4
- 5
- 6
- 7
6 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
No clear reading right now. Narrow or small lakes often have none; the weather and bite times below still apply.
Water level
No daily level reading for this lake.
Weather and wind
Sunrise 6:22 am · sunset 5:03 pm · waxing crescent moon (lake time).
Towns and places to stay near Petain Lagoon
- Poydrasabout 12 mi northwest
- Violetabout 14 mi northwest
- Merauxabout 16 mi northwest
- Port Sulphurabout 17 mi south
- New Orleansnearest city, about 25 mi northwest
Prices and availability come from booking partners; we may earn a commission at no cost to you.
Questions about Petain Lagoon
What fish are in Petain Lagoon?
Lakes like Petain Lagoon usually hold largemouth bass, crappie, catfish and bluegill and sunfish. Check the state fish and wildlife agency for stocking and limits.
How deep is Petain Lagoon?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Petain Lagoon?
About 1,920 acres, with about 25 miles of shoreline.
What town is near Petain Lagoon?
Poydras is about 12 miles northwest; Violet is about 14 miles northwest.
Is the water warm enough to swim in Petain Lagoon?
Check the water temperature on this page before you go: under 70°F feels cold to most swimmers, and under 60°F cold-water shock is a real risk.
Petain Lagoon on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
