Magnanimous SportFishing, formerly Shannon Sea Sportfishing, captained by Mark Haley, offers exceptional recreational and sportfishing charters in the picturesque location of Dennis, MA, on Cape Cod. With a deep-rooted passion for fishing from a young age, Captain Mark has honed his skills and knowledge over 18 years, establishing himself as one of the most respected guides in the area. Whether you're a beginner or a seasoned veteran, Magnanimous ensures an unforgettable experience. Embark on a memorable family fishing trip aboard the Magnanimous. &nbsp;With a length of 26 feet, it can accommodate up to 6 guests, providing ample space for everyone to enjoy the adventure. The boat is equipped with modern amenities, including a GPS, fishfinder, live bait tanks, and even a private toilet. Powered by a reliable Yamaha engine, the boat can reach speeds of up to 28 mph, allowing you to quickly and safely navigate Cape Cod's best fishing spots. Rest assured, the vessel is equipped with all the necessary USCG-required safety equipment to ensure a secure outing. When you join Captain Mark on the water, all the fishing equipment you need will be provided. Whether you're interested in light tackle, spinning, trolling, jigging, or popping, Captain Mark will expertly guide you through various fishing techniques. With his extensive experience, he can help you target a range of species, including Bluefish and the highly sought-after Striped Bass. Whether you prefer surface fishing or deep-sea fishing, Captain Mark will share his expertise, maximizing your chances of landing a trophy catch. For those seeking offshore fishing adventures, Magnanimous Sportfishing has the knowledge and experience to deliver an exceptional trip. Cape Cod's offshore waters offer exciting opportunities for anglers to target a variety of species. Whether you're interested in striped bass fishing, commonly known as striper fishing, or want to explore the abundant Massachusetts fishing opportunities, Captain Mark and his crew will provide an unforgettable offshore fishing experience. With Magnanimous Sportfishing, you can trust that your fishing charter will be a rewarding and memorable experience. Whether you're a local resident or visiting Cape Cod, Magnanimous Sportfishing is your go-to charter for an unforgettable fishing adventure.

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Ocean view from fishing boat showing sunlight reflecting on water surface near East Dennis MA

Sunset over ocean waters in East Dennis MA with gentle waves reflecting orange light

Sunset over ocean waters from fishing boat in East Dennis MA

Sunset over ocean waters with gentle waves in East Dennis MA

Dog resting on boat seating during fishing charter in East Dennis MA at sunset

Striped bass caught during fishing tour in MA

Striped bass caught during fishing tour in East Dennis

Two striped bass caught during fishing tour in East Dennis

A photo of two people fishing for striped bass in MA.

Two anglers fishing for striped bass in Massachusetts

Striped bass caught on fishing tour in MA

Two striped bass caught while fishing in MA

Striped bass caught in MA on fishing tour

Two striped bass caught on a fishing tour in MA

Striped bass caught while fishing in East Dennis

A fisherman catching a little tunny fish in East Dennis

A little tunny fish caught by 3 people in East Dennis

Striped bass caught on a fishing tour in MA

Two striped bass caught during a fishing tour in MA

Angler with a 22-inch Atlantic Bonito fish in East Dennis

1 Atlantic Bonito fish caught on fishing tour in MA

An angler holding a caught Atlantic Bonito fish in MA

Two Atlantic Bonito fish caught in East Dennis

One Atlantic Bonito fish caught fishing in MA

Striped bass caught in East Dennis, Massachusetts

Wiper (Hybrid striped bass) fish caught during fishing tour in East Dennis

One big fish caught during a fishing tour in East Dennis

A striped bass caught while fishing in MA

Striped bass caught on fishing tour in East Dennis

Striped bass caught by angler in East Dennis

Striped bass caught during East Dennis fishing tour

Striped bass caught on a fishing tour in East Dennis

Striped bass caught by two people during fishing tour in East Dennis

Atlantic Bonito fish caught while fishing in MA

A fisherman holding a 20-inch Atlantic Bonito in MA

Fishing adventure with an Atlantic Bonito in MA

Image of a 16-inch white bass caught while fishing in MA

A single striped bass caught in East Dennis

Striped bass caught during fishing trip in East Dennis

Striped bass caught on fishing tours in East Dennis

Striped Bass caught fishing in East Dennis

Two striped bass caught during fishing tours in East Dennis

Striped Bass caught while fishing in East Dennis

Don't let another day go by without experiencing the thrill of reeling in a big catch with Captain Mark Haley and Magnanimous Sportfishing. Book your unforgettable Cape Cod fishing charter today before all spots are filled! Act fast and reel in memories that will last a lifetime.

Magnanimous Sportfishing, formerly Shannon Sea Sportfishing, is a top-rated fishing charter service offering premier Cape Cod Bay adventures from Sesuit Harbor in Dennis, MA. Operated by the experienced Captain Mark Haley, Magnanimous Sportfishing provides a spacious, well-equipped vessel perfect for up to six anglers. Guests can enjoy personalized fishing trips targeting Striped Bass, Bluefish, and other Atlantic species, whether you prefer a relaxed day on calm waters or a more action-packed, high-energy experience tailored to your fishing style. With decades of expertise, Magnanimous Sportfishing charters deliver memorable, results-driven excursions from May through October. Options include inshore trips, offshore adventures, and custom durations from 4-hour half-day trips to full-day outings. All essential fishing gear, equipment, and licenses are provided, so guests only need to bring refreshments and cameras to capture the experience. Discover why Magnanimous Sportfishing is the go-to choice for Cape Cod anglers seeking an exceptional fishing adventure.

Cod Snaps: Capturing Cape Cod's Finest Fishing Moments

Magnanimous Sportfishing The Ultimate Fishing Charter Experience from Cape Cod

Purchase A Magnanimous Sportfishing Gift Card today!

Easily change trip dates, times, or trip type by contacting Magnanimous Sportfishing from your receipt or right from our website! We look forward to fishing with you!

Purchase an E-Gift card and your loved one will apply that unique confirmation code to the booking at checkout from https://www.magnanimoussportfishing.com/

Magnanimous Sportfishing The Ultimate Fishing Charter Experience from Cape Cod

Get ready for an unforgettable fishing adventure with Captain Mark Haley of Magnanimous Sportfishing, formerly known as Shannon Sea Sportfishing, in Cape Cod! As the owner and operator of this renowned charter, Captain Mark brings years of experience and a deep passion for fishing. From a young age, Captain Mark honed his skills alongside his father, developing a lifelong love for the sport. For years, he has expertly guided anglers, creating memorable experiences for every guest aboard. Certified in CPR and dedicated to safety, he ensures a secure and enjoyable trip for all. With nearly two decades of fishing expertise in Cape Cod Bay, Captain Mark now shares his knowledge and enthusiasm through his Cape Cod Fishing Charter. Whether you're a beginner or an experienced angler, he offers guidance tailored to all skill levels. His trips promise an immersive experience—exploring Cape Cod’s thriving marine life, stunning scenery, and relaxing atmosphere. Our Boat: Step aboard his 26-foot Sailfish center console, designed for comfort and performance. Powered by twin 150 HP Yamaha engines reaching speeds of up to 30 knots, the vessel accommodates up to six guests and features essential amenities, including a private toilet, for a seamless and enjoyable fishing experience. At Magnanimous Sportfishing, every trip is an adventure—one that will leave you with incredible memories and a longing for more time on the water.

Meet Captain Mark Haley and Magnanimous Sportfishing

Our Latest News & Updates

Experience world-class offshore fishing in Cape Cod Bay. Target stripers, blues, and albies on this private 6-hour charter. Book your adventure today!

Cape Cod Reel

Premier Cape Cod Bay Fishing Charter | 6 Hours

Target stripers, bluefish & albies on a private 4-hour Cape Cod Bay offshore charter. Book today!

Cape Cod Catch

Top-Rated Cape Cod Bay Fishing Charter

Book a private offshore charter in Cape Cod Bay. Target stripers, bluefish, and albies with pro guides. Reserve now!

Cape Cod Cast

Premium Cape Cod Striper Fishing Charter

Experience world-class inshore Bonito fishing in Cape Cod Bay. Book your private charter with expert guides today!

Bonito Blast

Expert Bonito Fishing on Cape Cod Bay

Join a peaceful 2-hour sunset cruise on Cape Cod Bay departing from Dennis. Book your evening cruise.

Sunset Sail

Relaxing Sunset Cruise with Magnanimous Sport Fishing

Discover Cape Cod's treasures! Bike the scenic Cape Cod Rail Trail or paddleboard in Nauset Marsh. Don't miss seal watching tours off Chatham!

Things To Do 

Cape Cod Attractions

Shannon Sea will clean and bag your catch

should you choose to keep any for yourself

*Catch and Release is welcome, too!

Free Fish Cleaning and beverages. 

Common Questions How much is charter boat fishing in Cape Cod?Our fishing charters range from $550-$950 per charter and include 4 guests! What is the best time of the year for fishing in Cape Cod?The best time of the year for fishing in Cape Cod is typically during the summer months, from June to September, when the waters are warm and teeming with a variety of fish species. Magnanimous Sportfishing, with their experienced guides and deep knowledge of the local fishing patterns, can ensure that anglers make the most of this prime fishing season, providing unforgettable fishing experiences during this optimal time. Why book a fishing charter? Booking a fishing charter offers a multitude of benefits, providing a well-rounded and tailored fishing experience. By choosing Magnanimous Sportfishing, guests can tap into the expertise of Captain Mark Haley and his team, who possess an intimate understanding of the local waters, fishing techniques, and hotspots, guaranteeing an exciting and successful fishing adventure that surpasses expectations.

Cod Haven: Exploring Cape Cod's Premier Fishing Territory

Booking: a 20% deposit will be collected when you book online. Remaining balance due upon trip via credit card on file or cash. Tips: Mates are paid with tips from customers. a 20% tip is recommended and greatly appreciated for a job well done.

Guest Cancellation: In the event that you need to cancel your charter, you must do so 24 hours prior to the charter date to receive your deposit back in full. Captain Mark always welcomes rescheduling to ensure you can still make it out on the water on a date that works best with your schedule.

Guide Cancellation: In the rare even that your guide must cancel due to inclement weather, equipment issues or health, you will have the option to reschedule for a later date or cancel and receive your deposit in full. Shannon Sea will never operate in dangerous weather

Your Captain is USCG Licensed and insured

Get Ready To Fish!

Great For Top Anglers

Best Spots

Best Boat

Great For Novices

Great Guide

Good with Kids

Silhouette of angler fishing with rod at sunset over calm water

Silhouettes of anglers fishing from rocky shoreline during sunset over calm water

Majestic snow-capped mountain peaks rising behind dense evergreen forest with calm reflective water in foreground during golden hour lighting

Mountain peaks with orange alpenglow reflected in calm water surrounded by evergreen forest

Angler holding freshly caught black drum fish on boat with ocean backdrop

Angler holding large black drum fish on boat with ocean and blue sky in background

Magnanimous SportFishing, Formerly Shannon Sea Sportfishing Fishing Photos

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