Saint-Martin · Saint-Martin Coast
DEEP SEA FISHING FISHING
IN GRAND CASE
Explore the best deep sea fishing fishing charters in Grand Case. Book verified captains, compare prices, and fish the legendary deep Gulf waters beyond the continental shelf, blue water, and offshore reefs.
About Deep Sea Fishing Fishing in Grand Case
Grand Case, Saint-Martin offers some of the finest deep sea fishing fishing on the Gulf Coast. Grand Case is known as the gourmet capital of the Caribbean, with a beachfront lined with incredible restaurants. The fishing here is equally impressive — deep-water dropoffs close to shore bring wahoo, mahi mahi, and blue marlin within easy reach. Many charters offer catch-and-cook partnerships with local restaurants. The deep sea fishing waters here — deep Gulf waters beyond the continental shelf, blue water, and offshore reefs — provide world-class angling opportunities that draw fishermen from across the country.
Deep Sea Fishing anglers in Grand Case target an impressive roster of species including Blue Marlin, Mahi Mahi, Wahoo, Yellowfin Tuna. Peak season runs through January, February, March, but productive deep sea fishing fishing is available year-round.
We're actively partnering with the best deep sea fishing fishing captains in Grand Case. Request a quote and we'll connect you with a top-rated local captain. All charters include gear, bait, tackle, Saint-Martin fishing licenses, and fish cleaning — everything you need for an unforgettable day on the water.
What's Biting in Grand Case This September
Deep Sea Fishing Fishing Calendar — Grand Case
Month-by-month availability for deep sea fishing species. Plan your trip around peak season for the best action.
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blue Marlin |
G
|
G
|
G
|
G
|
G
|
P
|
P
|
P
|
P
|
P
|
G
|
G
|
| Mahi Mahi |
P
|
P
|
P
|
P
|
P
|
G
|
G
|
G
|
G
|
G
|
G
|
P
|
| Wahoo |
P
|
P
|
P
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
P
|
P
|
| Yellowfin Tuna |
P
|
P
|
P
|
P
|
P
|
P
|
G
|
G
|
G
|
G
|
G
|
G
|
Best Deep Sea Fishing Fishing Spots in Grand Case
From legendary bays to productive reefs, here are the top deep sea fishing fishing spots your captain will target in the Grand Case area.
Northeast Drop-Off
The shelf edge northeast of Grand Case drops into deep Atlantic water where blue marlin, wahoo, and mahi-mahi concentrate along the depth transition. The drop-off is accessible within a 30-minute run from Grand Case and produces bluewater action from April through November.
St. Barths Channel
The deep channel between Saint-Martin and St. Barths funnels Atlantic currents through a productive zone for wahoo, yellowfin tuna, and sailfish. Temperature breaks and current edges in the channel mark the most productive trolling lanes for offshore charters.
North Atlantic FADs
Fish Aggregating Devices deployed in deep Atlantic water north of Saint-Martin attract mahi-mahi, wahoo, and blackfin tuna to floating structure. The FADs provide reliable offshore action for Grand Case charter boats during the summer pelagic season.
Tintamarre Canyon
A submarine canyon northeast of Tintamarre Island creates upwelling that aggregates baitfish and attracts blue marlin, wahoo, and large yellowfin tuna. The canyon's proximity to Grand Case makes it a favored destination for experienced offshore charter captains.
Top Deep Sea Fishing Fish Species in Grand Case
These are the primary deep sea fishing species you'll target on a Grand Case charter. Click any species to learn more.
Blue Marlin
Makaira nigricans
Peak: Jun, Jul, Aug, Sep, Oct
The ultimate big game fish. Spectacular fighters that can exceed 1,000 pounds.
Mahi Mahi
Coryphaena hippurus
Peak: Jan, Feb, Mar, Apr, May, Dec
Also called Dolphin or Dorado. Stunningly beautiful and acrobatic. Excellent eating.
Wahoo
Acanthocybium solandri
Peak: Jan, Feb, Mar, Nov, Dec
One of the fastest fish in the ocean. Prized for firm, white flesh and blistering runs.
Yellowfin Tuna
Thunnus albacares
Peak: Jan, Feb, Mar, Apr, May, Jun
A powerful open-water predator prized for sashimi-grade flesh. Found in blue water near rips and structure.
Deep Sea Fishing Fishing Boats & Tackle in Grand Case
Here's what to expect when you book a deep sea fishing charter in Grand Case.
Boats
Deep Sea Fishing fishing in Grand Case is typically done on center consoles, sportfishers, and offshore charter boats (28-65 ft).
Tackle & Gear
Deep Sea Fishing charters in Grand Case typically use heavy conventional and trolling gear with 30-80 lb test line. Live bait, trolling lures, and heavy jigs are standard.
What to Bring
Motion sickness medication (if prone), sunscreen, hat, light rain jacket, non-marking shoes, food and drinks. All fishing gear and licenses provided by the captain.
Deep Sea Fishing Fishing Charters in Grand Case
We're partnering with top deep sea fishing fishing captains in Grand Case. Request a quote below and we'll match you with the best local experts.
Captains Coming Soon to Saltwater Pros
We're actively partnering with the best deep sea fishing fishing captains in Grand Case. Request a quote and we'll connect you with a top-rated local captain within 24 hours.
Request a Free QuoteFrequently Asked Questions About Deep Sea Fishing Fishing in Grand Case
Deep sea fishing 20+ miles out. Chase tuna, marlin, mahi mahi, wahoo and other pelagic gamefish in blue water.
The top deep sea fishing species in Grand Case include Blue Marlin, Mahi Mahi, Wahoo, Yellowfin Tuna. Availability varies by season — check our seasonal calendar above for month-by-month details.
The peak months for deep sea fishing fishing in Grand Case are January, February, March, when the most species are at peak availability. However, Grand Case offers productive deep sea fishing fishing year-round.
Deep Sea Fishing fishing in Grand Case is typically done on center consoles, sportfishers, and offshore charter boats (28-65 ft). These vessels are specifically designed for navigating the deep Gulf waters beyond the continental shelf, blue water, and offshore reefs.
No — when you book a charter in Grand Case, your captain provides all required Saint-Martin fishing licenses as part of the trip. You don't need to purchase a separate license.
Motion sickness medication (if prone), sunscreen, hat, light rain jacket, non-marking shoes, food and drinks. All fishing gear and licenses provided by the captain.
Deep Sea Fishing fishing can be more challenging due to longer boat rides and heavier tackle, but experienced captains in Grand Case welcome anglers of all skill levels. Let your captain know your experience level when booking so they can tailor the trip accordingly.
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