Seamount Fishing Charter Osa Peninsula
Experience epic blue marlin fishing at remote offshore seamounts, where our high-speed vessel transforms distant fishing grounds into accessible trophy grounds. Multiple marlin encounters make this adventure truly extraordinary.
Main Charter features
Seamount Marlin Fishing – Where Giants Roam
Head offshore on a Seamount Fishing Charter off the Osa Peninsula coast to pursue blue marlin and giant yellowfin tuna in untouched, pristine waters. These remote underwater mountains create a big-game paradise, concentrating trophy fish in impressive numbers. Colio’s speed and range allow for a comfortable, extended day on the grounds from 5am to 6pm, giving anglers more time to enjoy the action.
Seamount trips are a great option to target Blue Marlin and also virgin schools of big Yellowfin Tuna. Colio has the speed and range to make these trips in an extended day to increase fishing time and comfort for a longer run to the grounds. 5am-6pm
Seamount Adventure Journey
Head 40-100 miles offshore to underwater mountains where giant blue marlin and tuna gather in extraordinary numbers for epic encounters.
Extraordinary Trophy Opportunities
Target multiple blue marlin while discovering virgin schools of massive yellowfin tuna in pristine, untouched offshore waters.
Expert Bilingual Fishing Guides
Clear communication is key to maximizing every opportunity for trophy catches and achieving your fishing dreams.
Capt. Mike Hennessy
Capt. Mike Hennessy has been fishing these waters for over 30 years with his Captains and mates fishing a style that brings our guests into the whole process from rigging the baits to hooking your own fish
Come fish with us for a unique experience and become part of our family at Colio Sportfishing!
Capt. Mike Hennessy
Capt. Mike Hennessy has been fishing these waters for over 30 years with his Captains and mates fishing a style that brings our guests into the whole process from rigging the baits to hooking your own fish
Come fish with us for a unique experience and become part of our family at Colio Sportfishing!
What is included
All top-of-the-line tackle
Super yummy lunches
Snacks/fresh fruit
6 large waters, 12 sodas, 12 beers
All live and dead baits rigged and ready to go!
Not included:
* Flights, ground transport, tips.
Seamount Fishing
10-12 hours fishing (max 4 guests)
$2,400 (per day)
+13% VAT
Disclaimer:
+13% VAT, all charters and tours are subject to a 13% VAT tax in Costa Rica.
For trips longer than 3 days, please contact Capt. Mike
InCLUDED IN fishing charter PACKAGE
Extraordinary Offshore Adventure
Costa Rica’s legendary Osa Peninsula seamounts offer multiple acts in big-game theater. Schools of sailfish provide thrilling action during the offshore run, before the main event unfolds at the deep-water pinnacles. Here, blue marlin hunt in extraordinary numbers, while massive yellowfin tuna crash through bait schools. The pristine conditions and absence of commercial pressure create opportunities for multiple marlin releases, trophy tuna exceeding 200 pounds, and countless sailfish shots make for a single epic day of fishing.
InCLUDED IN fishing charter PACKAGE
Target Giant Blue Marlin & Massive Tuna
Journey 30-70 miles offshore to a realm where underwater mountains rise from the abyss, creating nature’s perfect gathering grounds for massive game fish. These pristine seamounts concentrate extraordinary numbers of blue marlin, with multiple hookups possible in a single day. Enormous shoals of yellowfin tuna, untouched by commercial pressure, prowl these deep-water pinnacles. This 10-12 hour expedition aboard Colio transforms distant trophy grounds into an accessible big-game paradise where record-class fish are always possible.
World-Class Fishing Charters in Costa Rica’s Osa Peninsula
Celebrated as One of Costa Rica’s Best Fishing Charters in 2024 — join the anglers who rated Colio Sportfishing #1 for all-inclusive Osa Peninsula trips.
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Thanks for great fishing and lots of laughs 😊
Mike’s the best guy to fish with in southern Costa Rica. Can’t wait for the … More next adventure! -
Amazing time!!! We got tuna, rooster, fish, Marlin, snapper. I have never caught that many fish on one boat before it was … More amazing! Captain was so professional and extremely safe and very knowledgeable of the area. Everything was taken care of.
Definitely going back 👍 -
Fishing on the Colio in next level! The knowledge of captain and crew is enough on its own but combined with state of the … More art electronics elevates the success rate to the ridiculous.
Helpful and patient with some of our less experienced group ensured smiles and high fives. Good humor and the ability to quickly change tactics made for an unforgettable fishing trip for my family.
We will be back for more!
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Mike Hennessy and his crew are among the finest on the planet. If you want a World Class Sportfishing experience, Colio Sportfishing … More is the your operation of choice.
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We fish all over the world and this is a top notch operation! Not only that the captains make ever trip so fun and memorable! … More Thank you Coolio for the epic time!
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Greatest charter and best experience ever. Everything was top notch, Captain and crew were awesome tending to our every need … More and crew always had us ready for a big catch. Tuna bite was incredible and sail fish for a fun fight. I’ve been twice now and the second time was as good as the first with a new experience.
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I cannot wait to get on the new boat but I can guarantee that if you take this charter you will have an experience of a lifetime! … More Best captain ever and I can’t stress enough….justGO!
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Thank You to Mike and Luis for an Epic Fishing Experience!
Thank you both for an unforgettable, fishing adventure! You guys … More are the true example of what every sport fishing charter should strive to be. Beyond the incredible experience and lifetime memories, I left feeling like part of the family.
Thank you again for such an amazing time!
Warm regards,
Ignacio del Rio -
We fish all over the world and this is a top notch operation! Not only that the captains make ever trip so fun and memorable! … More Thank you Coolio for the epic time!
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Thanks for great fishing and lots of laughs 😊
Mike’s the best guy to fish with in southern Costa Rica. Can’t wait for the next adventure!
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Amazing time!!! We got tuna, rooster, fish, Marlin, snapper. I have never caught that many fish on one boat before it was amazing! Captain was so professional and extremely safe and very knowledgeable of the area. Everything was taken … More care of.
Definitely going back 👍
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Fishing on the Colio in next level! The knowledge of captain and crew is enough on its own but combined with state of the art electronics elevates the success rate to the ridiculous.
Helpful and patient with some of our less experienced … More group ensured smiles and high fives. Good humor and the ability to quickly change tactics made for an unforgettable fishing trip for my family.
We will be back for more!
Frequently asked questions
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Masters of Costa Rica’s Waters
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Our Partners
I would like to “Thank” our partners and sponsors of Colio Sportfishing for all the great products ans support that help us deliver the absolute best program and to consistently stay on the fish with quality and dependability.
