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Top-Rated Marathon FL Offshore Fishing Charters

  • Published Date: July 17, 2025
  • Fishing
  • Marathon, FL
  • $1,000 - $1,500 price range

Summary

Join us for a 4-hour offshore fishing trip in the beautiful Florida Keys. We'll head out into the open waters, where you'll have the chance to catch some of the area's prized fish. Our experienced crew provides all the gear, bait, and licenses you need, so you can focus on the fun of fishing. We'll show you the ropes if you're new, or let you take the lead if you're an old pro. As you cast your line and wait for that telltale tug, take in the stunning views of the Keys around you. When you land a big one, we'll be right there to help you reel it in. At the end of the trip, we'll clean your catch so you can take it home and enjoy a fresh seafood dinner. With room for up to 6 guests, it's a great way to spend a morning or afternoon on the water with friends or family. Don't forget your sunscreen and camera - you'll want to remember this Keys fishing adventure!
Top-Rated Marathon FL Offshore Fishing Charters

Reeling in the Action

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Gag Grouper, 21-inch fish caught while fishing in Marathon, Florida

Fishing trips for Grouper in Florida

Angler with a great catch in FL

Tuna fishing charters in keys Florida

4 big fish caught while fishing in FL

Deep sea fishing in Marathon, Fl

One Atlantic Sailfish caught in Marathon, Florida

Deep sea fishing in Key west, Fl

King Mackerel, 32-inch fish, caught while fishing in Marathon

Marathon Delights: Yellowfin Tuna

3 people fishing in FL

Fishing charters for offshore fish species, Fl

A single blue marlin, a large saltwater fish, caught while fishing in FL

Marathon, Florida offshore fishing

Two summer flounder fish, 11 inches long, caught in fishing in FL

Marathon, Florida fishing charters for Tuna

Angler fishing in Florida

Key west Florida fishing for Marlin

A person fishing in Florida

Inshore fishing charters in Marathon, Fl

Gag Grouper, 21-inch fish caught while fishing in Marathon, Florida

Fishing trips for Grouper in Florida

Angler with a great catch in FL

Tuna fishing charters in keys Florida

4 big fish caught while fishing in FL

Deep sea fishing in Marathon, Fl

One Atlantic Sailfish caught in Marathon, Florida

Deep sea fishing in Key west, Fl

King Mackerel, 32-inch fish, caught while fishing in Marathon

Marathon Delights: Yellowfin Tuna

3 people fishing in FL

Fishing charters for offshore fish species, Fl

A single blue marlin, a large saltwater fish, caught while fishing in FL

Marathon, Florida offshore fishing

Two summer flounder fish, 11 inches long, caught in fishing in FL

Marathon, Florida fishing charters for Tuna

Angler fishing in Florida

Key west Florida fishing for Marlin

A person fishing in Florida

Inshore fishing charters in Marathon, Fl

Gag Grouper, 21-inch fish caught while fishing in Marathon, Florida

Fishing trips for Grouper in Florida

Angler with a great catch in FL

Tuna fishing charters in keys Florida

4 big fish caught while fishing in FL

Deep sea fishing in Marathon, Fl

One Atlantic Sailfish caught in Marathon, Florida

Deep sea fishing in Key west, Fl

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Marathon Florida Fishing: 4-Hour Offshore Adventure

Ready to reel in some monster fish in the heart of the Florida Keys? Our 4-hour offshore charter from Marathon is your ticket to some of the best big-game fishing action around. We'll zip you out to the deep blue, where sailfish slice through the waves and mahi-mahi light up the water with their electric colors. No need to sweat the small stuff - we've got all the gear, bait, and licenses covered. Just bring your game face and get ready to battle some serious sportfish. And the best part? We'll clean your catch so you can show off your prize back at the dock and enjoy the freshest fish dinner of your life.

What to Expect on the Water

As soon as we clear the marina, you'll feel that salty breeze hit your face and know you're in for a treat. Our seasoned crew knows these waters like the back of their hand, so we'll head straight for the hotspots where the big boys are biting. We'll set you up with top-notch rods and reels, and show you the ropes if you're new to offshore fishing. Whether you're trolling for wahoo or dropping lines for cobia, there's always action out here. And with a max of 6 guests, you'll get plenty of personalized attention and shots at landing the catch of the day. Just be ready - when that reel starts screaming, it's go time!

Techniques & Tackle Talk

Out here in the Keys, we mix it up depending on what's running. We might start by trolling with ballyhoo or artificial lures to target sailfish and mahi-mahi. If the bite is on, we'll switch to live bait fishing to really get them fired up. For the bottom dwellers like grouper and snapper, we'll drop some heavy jigs or live bait to the structure. And if we spot a cobia shadowing a ray or shark, get ready for some sight casting action. We use a mix of conventional and spinning gear, all top-quality stuff that can handle whatever these fish dish out. Don't worry if you're not a pro - our crew will walk you through each technique and make sure you're set up for success.

Species You'll Want to Hook

Atlantic Sailfish: These are the rockstars of the Keys. Sailfish are known for their incredible acrobatics - when they hit your bait, hold on tight because they'll go airborne in a heartbeat. They average around 6-7 feet long and put up one heck of a fight. Spring and fall are prime time for sails, but we see them year-round. There's nothing quite like watching that cobalt blue sail light up as they chase down a bait.

Tarpon: The "Silver King" is a Marathon staple. These prehistoric-looking brutes can top 150 pounds and will test every ounce of your strength. They're famous for their gill-rattling jumps and long, bulldogging runs. Spring is the peak season when they gather in huge schools, but we get shots at resident fish all year. Landing a tarpon is a badge of honor for any angler.

Mahi Mahi: Also known as dorado or dolphinfish, these are the beauty queens of the offshore world. Their electric blue and gold colors are a sight to behold. They're also one of the tastiest fish in the sea. Mahi are fast-growing and always hungry, which makes for non-stop action when you find a school. Summer is prime time, but we catch them most of the year. They usually run 10-30 pounds out here, but 50+ pounders aren't unheard of.

Wahoo: If you want pure speed, wahoo is your fish. These sleek predators can hit 60 mph and will smoke a reel faster than you can blink. They're a prized catch both for their fight and their excellent table fare. We target them by trolling at high speeds with specialized lures. Fall and winter are the best seasons, but you never know when one might show up. Landing a 50+ pound 'hoo is always a highlight of any trip.

Cobia: These bruisers might not be the prettiest fish in the sea, but they more than make up for it with their fighting spirit. Cobia are curious by nature and often show up around the boat, giving us a chance for some exciting sight fishing. They love structure, so we find them around wrecks, buoys, and even following big sharks or rays. Spring is the best time, but we catch them year-round. A 30-50 pounder will give you all the action you can handle.

Why Anglers Keep Coming Back

Let me tell you, there's a reason Marathon is a world-class fishing destination. The variety of species we have here is mind-blowing. One minute you could be battling a sailfish on the surface, the next you're cranking up a grouper from the depths. And the best part? You don't have to run hours offshore to find the action. We can be in prime fishing grounds within 30 minutes of leaving the dock. Plus, with our year-round good weather and protected waters, we can get out fishing when other places are stuck at the dock. Add in the laid-back Keys vibe and the chance to turn your catch into dinner, and it's no wonder folks come back year after year.

Time to Book Your Spot

Alright, enough talking about fishing - let's go do it! Our 4-hour trip is perfect for both seasoned anglers looking for a quick fix and families wanting to try offshore fishing without committing to a full day. Remember, we provide all the gear, bait, and licenses, so all you need to bring is some sunscreen, snacks, and a cooler for your catch. Spots fill up fast, especially during peak seasons, so don't wait to lock in your adventure. Give us a call or book online, and get ready to make some serious fishing memories in the Florida Keys. Trust me, once you feel that first big hit, you'll be hooked for life!

Learn more about the species

Atlantic Sailfish

Atlantic sailfish are impressive gamefish, known for their acrobatic displays and blazing speed. They average 6-8 feet long and 80-100 pounds. You'll find them in the open ocean, often near the surface in waters 100-200 feet deep. Spring and fall are prime seasons as they migrate. Anglers love sailfish for their spectacular aerial leaps and powerful runs. To land one, use light tackle and stay patient - let them tire themselves out. A local trick is to troll with rigged ballyhoo or flying fish, which mimic their natural prey. Keep an eye out for frigate birds, as they often follow schools of sailfish. The fight and photo op make sailfish a bucket list catch for many sport fishermen.

Atlantic Sailfish

Cobia

Cobia are powerful fish that often get mistaken for sharks at first glance. They typically run 3-4 feet and 20-50 pounds. You'll find them around structures like reefs, wrecks, and buoys in 30-70 feet of water. Spring and fall are best as they migrate. Anglers love cobia for their strong fights and excellent table fare. To catch them, sight-fish with bucktail jigs or live eels. A local trick is to look for them following large rays or sharks near the surface. Cobia have firm, white meat that's great for grilling or blackening. Their combo of fight and flavor makes them a favorite target when in season.

Cobia

Mahi Mahi or Common Dolphinfish

Mahi-mahi, also called dorado, are one of the most colorful fish you'll ever see. They typically run 3-4 feet and 15-30 pounds. Look for them in open water near floating debris or weed lines. Summer and early fall are peak seasons here. Anglers love mahi for their acrobatic fights and excellent table fare. These fish are fast growers and great eating - firm, white meat with a mild flavor. To catch them, troll with rigged ballyhoo or artificial lures that mimic flying fish. A local trick is to keep the first mahi you catch in the water to attract others, as they often travel in schools. The combination of a fun fight and delicious fillets makes mahi a favorite for many charter guests.

Mahi Mahi or Common Dolphinfish

Tarpon

Tarpon are the silver kings of the flats, famous for their gill-rattling jumps and hard-fighting spirit. Adults typically range from 4-8 feet and 80-150 pounds. You'll find them in coastal waters, channels, and around bridges, often rolling at the surface. Spring and early summer are prime as they migrate through the Keys. Anglers prize tarpon for their aerial acrobatics and sheer power - hooking one is like being tied to a Volkswagen. To improve your chances, use circle hooks with live bait like crabs or pinfish. A local tip: "bow to the silver king" by lowering your rod tip when they jump to prevent breaking them off. Tarpon aren't great eating, but the thrill of the catch makes them a top target.

Tarpon

Wahoo Fish

Wahoo are the speedsters of the ocean, streamlined torpedoes that can hit 60 mph. They average 4-5 feet long and 30-50 pounds. You'll find them in open blue water, often near dropoffs or floating structure. Fall through spring is prime wahoo season in the Keys. Anglers target them for their blistering runs and excellent eating quality. To catch wahoo, try high-speed trolling with wire leaders - their razor-sharp teeth will cut through mono. A local tip is to use dark-colored lures on cloudy days and brighter colors when it's sunny. The combination of a screaming run and tasty white fillets makes wahoo a prized catch on our charters.

Wahoo Fish

About the Worldcat

Company vehicle

Vehicle Guest Capacity: 6

Manufacturer Name: Suzuki

Maximum Cruising Speed: 40

Number of Engines: 2

Horsepower per Engine: 300

Get ready for an awesome 4-hour fishing adventure in the beautiful Florida Keys! We'll take you out on the open waters off Marathon, where the fish are always biting. Our boat has room for up to 6 people, so bring your friends or family along for the fun. We've got everything you need - fishing gear, bait, and licenses are all covered. Just show up ready to reel in some big ones! Our experienced crew knows all the best spots and will help you land a great catch. Whether you're a seasoned angler or trying fishing for the first time, you'll have a blast out on the water. And the best part? We'll clean your fish for you at the end, so you can take home your fresh catch and enjoy it for dinner. The Florida Keys are famous for amazing fishing, and this trip lets you experience it firsthand. Book your spot now and get ready for a fantastic day on the water. It's the perfect way to make some great memories and maybe catch the fish of a lifetime!
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Don't miss out on the adventure of a lifetime and book your deep sea fishing experience with Thrillseeker Fishing Adventures today! The Florida Keys offers some of the best fishing you'll ever have – with our expert captains, it's sure to be an unforgettable experience. What are you waiting for – make your booking now!

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