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Official logo of Colio Sportfishing featuring Capt. Mike Hennessy’s premiere fishing charters in Golfito and Osa Peninsula Costa Rica.
  • Angler catching a nice sailfish off the Osa Peninsula, one of the secret fishing spots in Costa Rica
    Costa Rica Fishing Destinations

    Secret Fishing Spots Costa Rica: The Osa Peninsula is different

    ByMike Hennessey February 24, 2026February 24, 2026

    Southern Costa Rica Fishing Guide: Why Golfito Produces Fish When Other Places Don’t Most anglers researching Costa Rica fishing start at the same places — Quepos, Los Sueños, Tamarindo, Papagayo. And yes, those are good fisheries. But they are marina fisheries. “Southern Costa Rica is unlike anywhere else. The phrase Secret Fishing Spots Costa Rica…

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  • Colio Sportfishing in Golfito with honeymoon couple posing with a massive Yellowfin Tuna.
    Costa Rica Fishing Destinations

    Southern Costa Rica Fishing: The Real Story of Golfito and the Osa Peninsula

    ByMike Hennessey February 20, 2026February 24, 2026

    Southern Costa Rica has quietly become one of the most consistent big-game fishing regions in the Eastern Pacific. While many anglers recognize names like Los Sueños or Quepos, experienced fishermen increasingly look farther south toward Golfito, Puerto Jiménez, and the waters surrounding the Osa Peninsula. The reason is not hype. It is geography. Here, deep…

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  • Colio Sportfishing in Golfito with honeymoon couple posing with a massive Yellowfin Tuna.
    Sportfishing Charters

    Golfito fishing reports 2026

    ByMike Hennessey January 29, 2026January 29, 2026

    Golfito Fishing Reports 2026: Insider Intelligence Beyond the Blue Horizon: Golfito Fishing Reports 2026 and the Osa Peninsula Frontier A 2200-Word Tactical Guide by Capt. Mike Hennessy While the international travel community is just waking up to the Osa Peninsula after recent global rankings, those of us who live on the deck know that 2026…

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  • Guest releasing a marlin during a 2026 Southern Costa Rica fishing charter
    Sportfishing Charters

    Colio’s 2026 Southern Costa Rica Sportfishing Charters

    ByMike Hennessey January 20, 2026January 20, 2026

    2026 Southern Costa Rica Fishing Charters: The Elite Captain’s Manual Listen, I’ve spent 30 years chasing fins across the globe—from the tournament pressure-cooker of the Bisbee’s Black and Blue to the pristine, untouched reefs of Fiji. I’ve seen 1,200lb Blue Marlin hit the deck in Kona and I’ve held the big checks on the podium….

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  • Osa Peninsula Fishing Charters 2026 Capt Mike Hennessy and Luis Enrique
    Sportfishing Charters

    Osa Peninsula Fishing Charters 2026: The Ultimate Captain’s Forecast

    ByMike Hennessey December 19, 2025December 19, 2025

    Osa Peninsula Fishing Charters 2026: The Ultimate Captain’s Forecast The Osa Peninsula has always carried a kind of legend around it—a place where the jungle meets the Pacific in a dramatic, almost prehistoric way. For an angler who has spent over two decades chasing giants from the North Shore to the competitive pressure-cooker of the…

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  • Southern Costa Rica Fishing Charters and Things to Do - Yellowfin tuna and guests
    Sportfishing Charters

    Popular Osa Peninsula Fishing Charters – This Month’s Fishing Report & Breakdown

    ByMike Hennessey November 17, 2025November 17, 2025

    The Osa Peninsula has always carried a kind of legend around it—a place where the jungle meets the Pacific in a dramatic, almost prehistoric way. But for anglers, it’s more than scenery. It’s a living, breathing paradise of big-game opportunity, inshore action, and seasonal feeding frenzies that you simply don’t find anywhere else in Costa…

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  • Southern Costa Rica Fishing Charters and Things to Do - Yellowfin tuna and guests
    Sportfishing Charters

    Southern Costa Rica Fishing Charters and Things To Do

    ByMike Hennessey October 27, 2025November 17, 2025

    Southern Costa Rica Fishing Charters and Things To Do – Colio Sportfishing Table of Contents Southern Costa Rica Fishing Charters – Where the Jungle Meets the Sea Top Things To Do in the Osa Peninsula & Golfito Lodging, Eco Tours & Dolphin Adventures + Bookings Southern Costa Rica Fishing Charters – Where the Jungle Meets…

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  • Angler holding a trophy yellowfin tuna during southern costa rica fishing with Colio Sportfishing Charters
    Costa Rica Fishing Destinations

    Secret Fishing Grounds of Southern Costa Rica

    ByMike Hennessey September 1, 2025September 1, 2025

    Table of Contents Introduction: Why Southern Costa Rica is Different Month-by-Month Fishing Seasons Fun Facts About Costa Rica Fishing Meet Capt. Mike Hennessey & The Colio Crew Colio Sportfishing Charter Packages Southern Costa Rica Fishing FAQ Book Your Costa Rica Fishing Adventure Introduction: Why Southern Costa Rica is Different When anglers think of Costa Rica,…

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  • Trophy Mahi Mahi with Osa Peninsula Charters. Fisherman displaying a brightly colored beauty in Costa Rica’s tropical waters.
    Sportfishing Charters

    Costa Rica Big Game Fishing Adventures | Osa Peninsula Charters

    ByMike Hennessey August 30, 2025August 30, 2025

    Introducing Colio Costa Rica Big Game Fishing Adventures | Osa Peninsula Charters Welcome to the ultimate guide for **big game fishing in Costa Rica**! Join us as we explore the pristine waters of the Osa Peninsula, Matapalo, and surrounding hotspots where trophy marlin, yellowfin tuna, roosterfish, sailfish, and mahi mahi await. Whether you are a…

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  • Golfito Fishing Charters: Southern Costa Rica Fishing Adventures on our new boat.
    Sportfishing Charters

    Golfito Fishing Charters: Southern Costa Rica Fishing Adventures

    ByMike Hennessey February 10, 2025January 29, 2026

    Southern Costa Rica: Where Fishing Dreams Come True 2026 Guide: Golfito Fishing Charters Southern Costa Rica: Where Fishing Dreams Come True In the far southern reaches of Costa Rica, where the jungle-clad mountains meet the Pacific Ocean, lies one of sport fishing’s last great frontiers. When fishing out of Golfito or Puerto Jimenez, anglers are…

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