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What Is Offshore Fishing?

What Is Offshore Fishing?

Quick Answer
Offshore fishing means going 10 to 60+ miles from shore into open ocean to target pelagic species, fish that live in the water column rather than on the bottom. Common targets include mahi-mahi, wahoo, tuna, sailfish, and marlin. Offshore trips require a long run to reach fishing grounds, larger boats, and full-day or longer time commitments. Not recommended for beginners, families with young kids, or anyone with a history of motion sickness.

Where Offshore Fishing Happens

Offshore means past the nearshore reefs into blue water:

  • Inshore → nearshore: 1 to 10 miles from shore (reef fish, Spanish mackerel)
  • Nearshore → offshore: 10 to 30 miles (snapper, grouper, amberjack, early mahi)
  • Deep offshore: 30 to 100+ miles (mahi-mahi, tuna, wahoo, billfish)

In Florida, the Gulf Stream runs 2 to 15 miles off the Atlantic coast. Offshore Atlantic fishing, sailfish, mahi-mahi, can be reached in 30 to 60 minutes from Fort Lauderdale, Miami, and West Palm Beach. Gulf Coast offshore fishing (Destin, Panama City Beach, Pensacola) requires longer runs to reach the 100-foot ledge where snapper and grouper concentrate.

What Offshore Trips Look Like

A typical offshore full-day trip:

  1. Depart early (6am) from the marina
  2. Long run out, 30 to 90 minutes at speed to reach fishing grounds
  3. Fish for 4 to 6 hours at reef, ledge, or in blue water
  4. Run back, another 30 to 90 minutes
  5. Return to dock by 3 to 5pm

The run out is where seasickness happens for people susceptible to it. The ocean is in motion the whole time.

Common Offshore Species in Florida

SpeciesHow caughtSeason
Mahi-mahiTrolling, on the surfaceMar to Sep
WahooTrollingFall to Winter
SailfishTrolling, kite fishingNov to Apr (Atlantic coast)
Yellowfin tunaTrolling, chunkingFall to Winter
Red snapperBottom fishing (reef/ledge)Open season varies
GrouperBottom fishingYear-round (with restrictions)
AmberjackBottom and vertical jiggingYear-round

Who Offshore Fishing Is For

Offshore is the right choice when:

  • You specifically want to target pelagic species (mahi, sailfish, tuna)
  • You’re an experienced angler or traveling with experienced anglers
  • Everyone in the group has good sea legs
  • You have a full day and budget for the higher cost

It’s not the right starting point for:

  • First-timers who haven’t fished on a boat before
  • Families with kids under 12
  • Anyone with a history of motion sickness
  • Short-stay travelers who only have a half-day

Cost and Trip Length

Offshore trips almost always run full-day (8 to 10 hours) because the run time eats into the fishing time. A half-day offshore trip is usually a nearshore trip in practice, you can’t go far and come back in 4 hours.

Private full-day offshore rates vary by destination:

Split a $2,000 private full-day offshore trip among 6 people and you’re at $333 per person. That’s a full day on the water with the boat to yourselves. Add 15 to 20% for the tip.

Offshore by Florida Region

Not all offshore fishing in Florida is the same. The Atlantic coast and Gulf coast have different characteristics:

Atlantic Coast (Miami, Fort Lauderdale, West Palm Beach): The Gulf Stream runs close to shore, sometimes within 2 to 3 miles of the beach. That means shorter runs to reach blue water and pelagic species. Sailfish season runs November through April. Mahi-mahi and wahoo are available spring through summer. The proximity of deep water makes the Atlantic side attractive for offshore fishing even on half-day trips.

Florida Keys (Key West): Access to both Atlantic and Gulf offshore water. The reef tract provides nearshore bottom fishing. Blue water is accessible in moderate runs. Key West has a long tradition of offshore sport fishing for marlin, sailfish, and mahi.

Gulf Coast Panhandle (Destin, Panama City Beach, Pensacola): Longer runs to reach offshore structure. The 100-foot ledge where red snapper and grouper concentrate is 15 to 40 miles out depending on the port. Full-day trips are mandatory. The Gulf can build significant chop on windy days. The payoff: productive bottom fishing for snapper and grouper, plus mahi and wahoo farther out.

Tampa Bay area (Tampa, Clearwater, St. Petersburg): Offshore fishing exists but isn’t the primary draw. These destinations are stronger for inshore fishing. Offshore runs to productive reef structure take 20 to 40 miles. The Gulf is shallow close to shore, which means longer transits.

Physical Demands of Offshore Fishing

Be honest about your group’s physical readiness before booking offshore:

The boat ride. Running 30 to 60 miles offshore at 25 to 30 knots means you’re getting bounced for 30 to 90 minutes. The ride is not relaxing. If anyone in your group has back problems, the pounding can be an issue.

Fighting large fish. A 30-pound amberjack pulling straight down in 150 feet of water is physically demanding. A 100-pound tarpon on light tackle is a workout. Kids under 12 and adults who aren’t in reasonable shape may struggle with larger species.

The heat. In summer, full-day offshore trips mean 8 to 10 hours in direct Florida sun. Hydration, sun protection, and heat management are real concerns. See what to wear on a fishing charter.

The length. Ten hours on a boat is a long day for anyone. If you’re not sure your group is ready for a full day, book a half-day nearshore trip first as a test run. See half-day vs. full-day fishing trip.

Preparing for Your First Offshore Trip

If you’ve done inshore trips and want to step up to offshore:

  1. Start with a half-day nearshore trip. This gets you into open water for a shorter duration with less transit. If everyone handles it well, a full-day offshore trip is the next step.
  2. Take seasickness medication the night before and morning of. Even if you’ve been fine on inshore trips. Open ocean is a different motion. See how to avoid seasickness on a fishing charter.
  3. Book a morning departure. Conditions are calmest in the early morning. The run out in smooth water is much more tolerable than fighting afternoon chop. See morning vs. afternoon charters.
  4. Bring layers. The run offshore at speed in early morning is cold even in summer. A light windbreaker is worth having. See what to bring on a fishing charter.
  5. Tell the captain your experience level. If it’s your first offshore trip, say so. They’ll choose appropriate spots and techniques.
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Frequently Asked Questions

How far offshore do you need to go to catch mahi-mahi in Florida?
On the Atlantic coast, mahi-mahi can be encountered as close as 10 to 15 miles in season. On the Gulf Coast panhandle, typically 30 to 60 miles. The Atlantic Gulf Stream is close to shore, which is why Fort Lauderdale and Miami are strong offshore destinations.
Is offshore fishing dangerous?
Not inherently, captains take offshore trips regularly with paying customers. The risk is weather that changes faster than expected. Captains monitor forecasts and won’t go out in unsafe conditions.
Can kids do offshore fishing?
Only if they’re old enough, have strong sea legs, and the conditions are calm. Age 14+ with no seasickness history is a reasonable threshold for a first offshore trip. See what age is good for a first fishing charter.
What's the difference between offshore and deep-sea fishing?
They’re often used interchangeably. “Deep-sea” typically means targeting bottom species (grouper, snapper) at depth (100 to 1,000 feet) on offshore reefs and ledges. “Offshore” is broader and includes surface trolling for pelagic species as well.

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Last updated on by Angler School