billfish

Blue Marlin

Makaira nigricans

Deep blue water, warm-core eddy interiors, big bait.

Preferred water temp74–84°F

Preferred depth300–2000 ft

Peak monthsMay, Jun, Jul, Aug

Holds ondeep eddies, canyon walls, 1000-fathom edge

In our regions

Northeast Florida — AtlanticCentral/Southeast Florida — AtlanticMiami & Keys — Atlantic sideSouthwest Florida — GulfFlorida Panhandle — GulfBig Bend — GulfBahamas — Bimini & Grand BahamaBahamas — Abaco & AndrosBahamas — Eleuthera, Exuma & Cat IslandNorth Carolina (Outer Banks + Cape Lookout)South Carolina CoastGeorgia CoastAlabama GulfMississippi GulfLouisiana GulfTexas Gulf

Regulations

⚠️ BETA: best-effort current as of May 31, 2026. Confirm with the linked FWC / NOAA source before keeping a fish.

Showing 1 of 11 regulations for Louisiana

LA_GULF

Louisiana — State waters (0–3 nm) · LDWF

Currently OPENOpen year-round

Minimum: 99″ LJFL (lower jaw to fork)

HMS permit.

Louisiana blue marlin: 99" LJFL.