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.

<div>had a nice morning trip was out there looking for some good size straight pass, but all we could find dmsll ones. Weather was perfect in the crew was awesome.</div>

Fishing catch displayed on boat in East Dennis MA waters

Striped bass caught during fishing charter in East Dennis MA

Striped bass caught during fishing tour in East Dennis MA

They were not monsters ￼

EPSG:4269

Fishing rod extended over ocean waters from boat deck in East Dennis MA

Bluefish caught during fishing charter in East Dennis MA waters

Striped bass catch displayed on fishing boat in East Dennis MA

Striped bass catch on fishing boat in East Dennis MA waters

Striped bass catch on fishing charter boat in East Dennis MA

Fishing charter boat with outrigger poles and equipment on calm waters near East Dennis MA

Two striped bass caught on fishing charter boat in East Dennis MA waters

Two striped bass caught during fishing charter in East Dennis MA

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

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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!

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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

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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

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

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

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

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

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!

MassFishHunt

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Captain Mark Haley: Conqueror of the Cape Cod Waters 

Cape Cod Fishing FAQs: Unleashing Angling Adventures!

Transaction FAQs | Magnanimous Sportfishing  

Contact Us | Magnanimous Sportfishing

Finding Joy in Fishing Cape Cod with Captain Mark Haley

Making Epic Memories in Cape Cod

Captain

Air fee

Bait's fee

Divemaster Fee

Mate's fee

Nitrox fee

Service Fee

State Taxes

Trimix fee

Experience Cape Cod Bay at its most exciting as Captain Mark Haley searches for active fish aboard The Magnanimous. When stripers, bluefish, or albies begin feeding at the surface, you can cast directly into the commotion for an unforgettable visual bite. If the fish remain deeper, Captain Mark can locate them near the bottom and adjust the approach to keep you involved in the action. The flexible format welcomes every skill level, with equipment, fishing licenses, guidance, and hands-on instruction provided. Depending on your plans, the outing can be extended beyond its standard length, and an optional stop at Barnstable Harbor for lunch adds a relaxed break. Up to six guests can join, and legal striped bass measuring 28 to 31 inches may be kept.

Bluefish

Striped Bass

Magnanimous

5 hrs 

Striped bass and bluefish trip

4 hrs 

Striped bass and Bluefish trip

Chase the Cape Cod Bay Surface Feed

Air Fee

Bait Fee

Mate's Fee

Nitrox Fee

Trimix Fee

Captain Mark Haley tailors the outing to where the fish are holding, giving guests the chance to cast toward stripers, bluefish, and albies feeding near the surface or search deeper when the action moves below. This adaptable approach makes the charter appealing to both beginners and experienced anglers, with clear instruction available throughout the trip aboard The Magnanimous. Fishing licenses and tackle are included, so guests can arrive ready to enjoy the water. A stop at Barnstable Harbor for lunch may also be added for those who want to break up the fishing with some time ashore. Striped Bass measuring within the legal 28-to-31-inch range may be kept, allowing anglers the possibility of bringing home part of their Cape Cod experience.

Follow the Cape Cod Bay Bite from Surface to Bottom

Fishing Cape Cod Bay often means responding to what the water reveals, and Captain Mark Haley keeps the day flexible as conditions and fish activity change. When stripers, bluefish, or albies appear at the surface, guests can cast toward the visible action. If the schools move down, the approach can shift to searching closer to the bottom. This variety keeps everyone involved, whether learning with Captain Mark’s guidance or arriving with previous fishing experience. Tackle and fishing licenses are included aboard The Magnanimous, removing the need to organize equipment beforehand. An optional lunch stop at Barnstable Harbor can add a comfortable break during the day. Striped Bass within the legal 28-to-31-inch size range may be kept when regulations permit.

6 hrs 

Read the Water and Chase Cape Cod Bay’s Moving Fish

Atlantic Bonito bring a different kind of action to Cape Cod Bay, combining quick-moving schools with powerful runs that feel especially lively on light tackle. Departing from Sesuit Harbor in Dennis, Captain Mark Haley searches productive areas across the bay and helps guests adjust as the fish move. The focused setup aboard The Magnanimous gives both first-time and experienced anglers an opportunity to enjoy this active style of fishing without needing to bring their own equipment. Rods, tackle, bait, and hands-on instruction are provided, allowing everyone to concentrate on spotting opportunities, making a cast, and handling the fight. Rather than targeting several unrelated species, this trip centers on one of the bay’s fastest fish and the challenge of keeping pace with it.

Atlantic Bonito

Chase Cape Cod Bay’s Fast-Moving Bonito on Light Tackle

Departing from Sesuit Harbor in Dennis, this cruise begins by heading east before turning west to follow the sun as it lowers over Cape Cod Bay. The carefully planned route gives guests changing views of the coast and open water while Captain Mark Haley handles the navigation aboard The Magnanimous. With no fishing involved, the experience is centered entirely on slowing down, enjoying the scenery, and sharing a peaceful evening with family, friends, or someone special. Guests of all ages are welcome, and no boating experience is needed. Bring along your favorite snacks and beverages to enjoy during the ride. Round-trip travel from the harbor is included, making this an easy and comfortable way to experience a Cape Cod sunset from the water.

Atlantic Ocean Offshore Report on 20th Aug, 2026 - 4

AUTHOR

Mark Haley

NOTES

They were not monsters

Atlantic Ocean

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