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Top-Rated Cape Cod Offshore Fishing Charters

  • Published Date: July 16, 2025
  • Fishing
  • Cape Cod
  • $400 - $1,450 price range

Summary

Gear up for a full-day offshore adventure off Cape Cod, where the big game fish are waiting. This 10 to 12-hour trip takes you deep into the Atlantic, where you'll have a real shot at landing some serious ocean predators. We're talking Bluefin and Yellowfin Tuna, Mahi Mahi, and various shark species. It's a long day on the water, but that's what it takes to reach the most productive fishing grounds. Your captain knows these waters like the back of their hand and will put you on the fish. They'll also provide all the gear and know-how you need to make the most of your time out there. Whether you're after the lightning-fast runs of a tuna or the raw power of a shark, this trip is designed for anglers who want to tangle with something big. Just remember, the deposit is non-refundable, so make sure you're ready for a full day of offshore action before you book.
Top-Rated Cape Cod Offshore Fishing Charters

Big Fish, Big Smiles

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Picturesque landscape of Osterville

Fiery sunset over calm waters

Fishing in MA

Rigged and ready—perfect setup!

Five Atlantic Bonito, Little Tunny fish caught fishing in MA

Stacked bonito—nonstop action!

Cero mackerel caught in Osterville

Chunky tuna—pure satisfaction!

Striped bass caught while fishing in MA

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A striped bass being caught by two people in Osterville

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Fishing in MA

Locked in near Gay Head with sharp sonar!

Fishing in MA

Epic fight underway offshore!

Serene fishing scene in Osterville

Foggy run into deep water—mysterious and bold.

Angler standing in water in Osterville

Vibrant mahi in hand—absolute unit!

Picturesque landscape of Osterville

Fiery sunset over calm waters

Fishing in MA

Rigged and ready—perfect setup!

Five Atlantic Bonito, Little Tunny fish caught fishing in MA

Stacked bonito—nonstop action!

Cero mackerel caught in Osterville

Chunky tuna—pure satisfaction!

Striped bass caught while fishing in MA

null

A striped bass being caught by two people in Osterville

null

Fishing in MA

Locked in near Gay Head with sharp sonar!

Fishing in MA

Epic fight underway offshore!

Serene fishing scene in Osterville

Foggy run into deep water—mysterious and bold.

Angler standing in water in Osterville

Vibrant mahi in hand—absolute unit!

Picturesque landscape of Osterville

Fiery sunset over calm waters

Fishing in MA

Rigged and ready—perfect setup!

Five Atlantic Bonito, Little Tunny fish caught fishing in MA

Stacked bonito—nonstop action!

Cero mackerel caught in Osterville

Chunky tuna—pure satisfaction!

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Offshore Fishing: Cape Cod's Big Game Adventure

Ready to chase some real monsters? Our offshore fishing charters out of Cape Cod are where the serious action happens. We're talking 10 to 12 hours on the open Atlantic, going after the heavyweight champs of the ocean. This ain't your grandpa's pond fishing - we're hunting Bluefin tuna that could outweigh your car, Mahi Mahi that'll make your reel sing, and sharks that'll test every ounce of your strength. If you've got salt in your veins and dreams of epic battles on the high seas, you're in the right place.

What to Expect on the Water

First light, we're casting off and pointing the bow east. As Cape Cod fades behind us, that's when the real adventure begins. We'll cruise anywhere from 20 to 80 miles offshore, hitting the sweet spots where the big boys lurk. Expect a mix of trolling and live bait fishing, depending on what's biting. The crew's always scanning for bird activity, temp breaks, and those telltale signs of life below. When we mark fish, it's all hands on deck. These offshore beasts don't come easy, so be ready for some serious pull when the drags start screaming. Between the fights, soak in that perfect blue horizon and keep your eyes peeled for whales, sunfish, and other ocean giants.

Gearing Up for the Big Leagues

Leave your light tackle at home, folks. We're packing the heavy artillery for these trips. Think 50 to 80-pound class rods, paired with reels that could stop a freight train. For tuna, we'll often be chunking or live-lining mackerel, while our shark setups might involve some serious chum slicks. The boat's rigged stem to stern with outriggers, downriggers, and enough rod holders to outfit a small army. Don't sweat the gear - we provide top-notch stuff that's up to the challenge. Just bring your A-game, some sunscreen, and maybe a lucky hat. Oh, and fair warning: after tangling with these offshore bruisers, your old fishing stories might need some serious embellishment.

Top Catches This Season

The offshore grounds have been on fire lately. We've had clients land Bluefin pushing 800 pounds - fish so big they barely fit in the boat. Yellowfin tuna have been showing up in good numbers too, often in the 60 to 100-pound class. The Mahi Mahi action has been insane on the floating mats, with some real bull dolphin in the mix. As for sharks, we've been hooking into some monsters. A group last week went five for five on blue sharks, with the biggest topping 350 pounds. Remember, it's all catch and release on the sharks - we're here for the thrill, not the grill when it comes to those toothy critters.

Species You'll Want to Hook

Bluefin Tuna: The king of the Atlantic. These torpedo-shaped powerhouses can top 1,000 pounds and swim faster than you can run. They're here from June through October, with peak season usually August and September. Hooking one is like trying to stop a freight train with a piece of string. The fight can last hours, and you'll feel it for days after. But man, when that purple-blue giant comes up beside the boat... there's nothing like it in fishing.

Yellowfin Tuna: The athlete of the tuna world. Smaller than their Bluefin cousins but twice as acrobatic. These guys love to put on a show, with blistering runs and spectacular jumps. We usually find them mixing with the Bluefin schools from July to September. They're incredible eating fish too, so if you're dreaming of the freshest sashimi of your life, this is your target.

Mahi Mahi: Also known as dorado or dolphinfish, these are the glamour models of the offshore world. With electric blue and gold coloration, they're as beautiful as they are delicious. We find them around floating debris and weed lines, often in good numbers. They're here from July through September, and they love to skyrocket on bait. Light tackle specialists, get ready for some of the most fun fights you can have on a rod and reel.

Sharks: From powerful makos to acrobatic threshers, we've got a whole cast of toothy characters offshore. Blue sharks are the most common, but we also see threshers, porbeagles, and the occasional hammerhead. Shark fishing is catch-and-release only, but the adrenaline rush of seeing that dark shape rise up behind your bait is hard to beat. They're around all season, but the sharking really heats up in the dog days of summer.

Why Anglers Keep Coming Back

Look, I've guided all over, from Alaska to the Keys. But there's something special about the offshore grounds off Cape Cod. Maybe it's the variety - where else can you have a shot at a grander Bluefin, a wahoo, and a mako shark all in the same day? Or maybe it's the sheer quality of the fishery. These aren't your average fish; they're the cream of the crop, fed on rich baitfish and tempered by cold New England waters. But I think what really hooks people is the wildness of it all. Out there, beyond sight of land, you're in their world. Every trip is an adventure, every fish is a battle, and the stories... well, let's just say they tend to get better with each retelling at the dock.

Time to Book Your Spot

If you've read this far, I'm guessing you've got the offshore itch. Fair warning: it's incurable. But we've got the remedy - at least for a day. Our calendar fills up fast, especially during peak tuna season, so don't wait to lock in your date. Remember, this is a full-day commitment. We're talking sun up to sun down, and maybe then some if the bite is hot. Bring your stamina, your sense of adventure, and maybe some Dramamine if you're iffy on the motion of the ocean. The crew will handle the rest. So what do you say? Ready to tangle with some of the baddest fish in the Atlantic? Give us a call, and let's get you on the books. The giants are waiting.

Learn more about the species

Bluefin Tuna

Yellowfin tuna are built for speed, with sleek bodies and bright yellow fins. They're typically smaller than bluefin, averaging 30-100 pounds off Cape Cod. We find them in deeper, warmer waters, usually 20+ miles offshore. Peak season is July through September. Yellowfin are known for their hard, fast runs and deep dives when hooked - be ready for a workout. Their meat is prized for sashimi and grilling steaks. To target them, we'll often start trolling with a spread of lures and switch to chunking when we find a school. Cedar plugs and squid bars are go-to lures. Live bait like mackerel or butterfish can be deadly too. One tip: when you see birds working over bait balls, approach slowly and quietly. A stealthy presentation can make all the difference with these wary fish. Yellowfin offer a great mix of challenging fishing and excellent table fare.

Bluefin Tuna

Mahi Mahi or Common Dolphinfish

Mahi mahi are one of the prettiest fish you'll see, with electric blue and green colors that fade quickly after catching. We find them offshore around floating debris and weed lines, usually 5-30 miles out. They average 15-30 pounds but can get up to 50+. Mahi are fast-growing and short-lived, which makes them a sustainable choice. They're known for their acrobatic jumps and strong runs when hooked. The meat is mild and versatile - great for grilling or fish tacos. We typically target them May through October when the water warms up. Trolling with rigged ballyhoo or artificial lures works well. My favorite trick is to keep a pitch bait ready - when we spot a mahi, cast a live bait or chunk right to it for an explosive strike. These fish often travel in schools, so when you hook one, keep it in the water to attract others. It's a fun, fast-paced fishery that's great for all skill levels.

Mahi Mahi or Common Dolphinfish

Yellowfin Tuna

Bluefin tuna are the giants of the tuna world, averaging 6-7 feet and 500+ pounds. These powerful fish cruise the Atlantic, following schools of baitfish. Off Cape Cod, we usually find them in 100-300 feet of water from June through October. Bluefin are prized for their incredible strength and stamina - expect an epic battle that can last hours. Their meat is considered the finest sushi-grade tuna, fetching top dollar. To up your chances, we'll look for birds working over bait balls or use fish finders to locate schools. Trolling with spreader bars or live bait like mackerel works well. When we mark fish, we'll often switch to chunking to bring them to the boat. Just remember, bluefin fishing takes patience. Some days they're feeding like crazy, other days it's a waiting game. But when that reel starts screaming, you'll know why anglers chase these beasts.

Yellowfin Tuna

About the Grady White Fisherman 257

Company vehicle

Vehicle Guest Capacity: 6

Manufacturer Name: Yamaha

Maximum Cruising Speed: 40

Number of Engines: 2

Horsepower per Engine: 200

Ready for an epic day on the water? Our offshore fishing charters off Cape Cod offer 10-12 hours of non-stop action as we venture deep into the Atlantic. We're talking serious fishing here - the kind where you can tangle with monster Bluefin and Yellowfin Tuna, acrobatic Mahi Mahi, and toothy sharks. This isn't your average day trip; it's a chance to test your skills against some of the ocean's top predators. We'll cruise out to where the big boys play, giving you plenty of time to work the hotspots. Your experienced captain knows these waters like the back of their hand and will put you right on the fish. We provide all the heavy-duty gear you'll need to battle these offshore giants. Whether you're dreaming of that trophy tuna or just want to feel the raw power of a shark on the line, this is the trip for you. Bring your A-game and get ready for an intense day of fishing you won't soon forget. Just remember - these big fish don't give up easily, so come prepared for a workout!
In The Net Sportfishing Cape Cod

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