When white marlin are around Sebastian Inlet
White marlin fishing out of Sebastian Inlet happens on the Gulf Stream, in the same trolling spread boats pull for tuna and wahoo. Anyone who already fishes tuna and wahoo from this port runs that water. For biology and identification, see our white marlin fishing guide. This page covers when to go, how far to run, the grounds on the way, and how the fish are taken here.
The May through October window
Nauti Girl’s tuna trip is best May through October. White marlin show up in that tuna spread, so this is the window when boats are out on the Gulf Stream. For the wider regional picture, see white marlin along the Atlantic Southeast (see also the wider Atlantic Southeast guide).
| Window | What it is |
|---|---|
| May through October | Nauti Girl’s tuna trip, best window |
| Where | Gulf Stream, trolling |
| Fish in the spread | Tuna, wahoo, white marlin |
Where white marlin fit in the catch
White marlin are taken on the shared tuna and wahoo spread and are not a stand-alone target from this port. Plan the day around tuna and wahoo, and run a spread that gives a white marlin a reason to come up.
How far boats run from Sebastian Inlet
Boats troll the Gulf Stream 30 to 70 miles offshore, per Nauti Girl, and that distance sets the shape of the whole day.
The 30 to 70 mile Gulf Stream run
A 30 to 70 mile run each way determines fuel needs, boat choice and how long you can stay on the edge. Work out the round trip before you leave the dock rather than at the edge of the Stream. Three numbers matter:
- Total range: the full round trip, including the run out.
- Fuel reserve: held back for the run home.
- Turnaround time: the hour you start back, set before you leave.
Planning the run from the inlet
Settle those three numbers at the dock, then check the official offshore marine forecast. Read wind, wave height and period as numbers and make your own call.
The grounds below sit along the route, and several work as waypoints on the way out.
Grounds and structure off Sebastian Inlet
These are the named marks off Sebastian Inlet, ordered from the inlet outward. Chart layers are not for navigation, so plot these against your own charts.
| Name | Depth | Location |
|---|---|---|
| Sebastian Inlet north and south jetties, T-dock | At the inlet | |
| Indian River County artificial reefs (8 reefs) | 65 ft | 11 to 12 miles east of Sebastian Inlet |
| Big Easy reef complex | 85 and 90 ft | |
| Bottom ground north of the inlet | 100 ft | Just north of Sebastian Inlet |
| Monster Hole (shoal) | ||
| Nauti Girl swordfish drop grounds | 1600 ft | 35 to 45 miles offshore of Melbourne and Sebastian |
| Gulf Stream edge |
North and south jetties and the T-dock
The jetties mark where the run starts. The T-dock is the inlet’s dock area.
Indian River County artificial reefs
Eight reefs sit in 65 ft of water, 11 to 12 miles east of the inlet. They are the first named marks on the way offshore.
Big Easy reef complex
The Big Easy complex has named reefs at 85 and 90 ft, deeper reef ground on the route out.
Bottom ground north of the inlet
This unnamed bottom sits at 100 ft, just north of Sebastian Inlet.
Monster Hole
Monster Hole is a shoal off this port and worth keeping on your list of local structure.
Nauti Girl swordfish drop grounds
The swordfish drop grounds run 1600 ft deep, 35 to 45 miles offshore of Melbourne and Sebastian, inside the 30 to 70 mile trolling range.
The Gulf Stream edge
The Gulf Stream edge is where the spread goes and where the run ends. Boats troll it 30 to 70 miles offshore, per Nauti Girl.
How white marlin are fished out of Sebastian Inlet
A boat that can pull a tuna and wahoo spread is already set up for white marlin.
The tuna and wahoo spread
The local method is trolling the same Gulf Stream spread used for tuna and wahoo. For more on billfish trolling technique, see our billfish pages.
Who fishes for them from this port
Nauti Girl runs the tuna trip to the Gulf Stream, best May through October, and fishes the swordfish drop grounds. Owner-operators run the same 30 to 70 mile water on their own boats. White marlin fishing out of Sebastian Inlet comes down to running that spread on that water.
FAQ about white marlin fishing out of Sebastian Inlet
When is the best time for white marlin out of Sebastian Inlet?
Nauti Girl’s tuna trip is best May through October. White marlin come up in that tuna spread, so that is the window when boats are on the Gulf Stream.
How far offshore do boats run from Sebastian Inlet?
Boats troll the Gulf Stream 30 to 70 miles offshore, per Nauti Girl. That run shapes your fuel plan and your time on the water.
What spread catches white marlin here?
The same Gulf Stream spread used for tuna and wahoo. White marlin come up in it.
What grounds sit on the way out?
In order from the inlet: the Indian River County artificial reefs (65 ft, 11 to 12 miles east), the Big Easy reef complex (85 and 90 ft), the 100 ft bottom just north of the inlet, the swordfish drop grounds (1600 ft, 35 to 45 miles off Melbourne and Sebastian), then the Gulf Stream edge.
Are white marlin targeted or caught while trolling for tuna and wahoo?
They are taken on the shared tuna and wahoo spread. From this port they are not a separate fishery.
