Southern Costa Rica Fishing Seasons

Experience Southern Costa Rica fishing seasons with year-round big game action in the Osa Peninsula, Golfito, and Drake Bay. Jan–Apr brings peak sailfish, Mar–Aug massive yellowfin tuna, trophy marlin year-round, and Sep–Dec epic dorado runs. Plan your trip for trophy action every season!

fishing calendar

Southern Costa Rica Fishing Calendar

The Southern Costa Rica fishing seasons offer non-stop big game action year-round. Dec delivers the grand slam with six species, while peak runs of sailfish, marlin, yellowfin tuna, and dorado define each season, making every month ideal for offshore and inshore fishing in Costa Rica.

Monthly
Southern Costa Rica Fishing Seasons

January

Jan. Fishing Season – Southern Costa Rica

Primary Species

  • Blue Marlin: Peak season with excellent opportunities for trophy fish
  • Black Marlin: Strong showing with fish often exceeding 400 pounds
  • Yellowfin Tuna: Consistent action with schools of quality fish
  • Roosterfish: Premium inshore action along rocky points and beaches
PICK FISHING CHARTER

February

FeB. Fishing Season – Southern Costa Rica

Primary Species

  • Blue Marlin: Continued excellent action offshore
  • Sailfish: Beginning of peak sailfish season
  • Cubera Snapper: Prime time for targeting these powerful bottom dwellers
PICK FISHING CHARTER

March

March Fishing Season – Southern Costa Rica

Primary Species

  • Blue Marlin: Strong presence continues
  • Sailfish: Peak numbers with multiple shots per day common
  • Yellowfin Tuna: Large schools present
  • Black Marlin: Trophy fish opportunities
PICK FISHING CHARTER

April

April Fishing Season – Southern Costa Rica

Primary Species

  • Sailfish: Premium sailfish action
  • Yellowfin Tuna: Excellent opportunities for both school-size and trophy fish
  • Cubera Snapper: Peak season for these bruising fighters
  • Roosterfish: Inshore action heating up
PICK FISHING CHARTER

May

May Fishing Season – Southern Costa Rica

Primary Species

  • Blue Marlin: Beginning of summer peak
  • Yellowfin Tuna: Consistent action with quality fish
  • Roosterfish: Excellent inshore opportunities
PICK FISHING CHARTER

June

June Fishing Season – Southern Costa Rica

Primary Species

  • Blue Marlin: Peak summer action
  • Yellowfin Tuna: Strong presence of school-size fish
  • Roosterfish: Premium inshore action
PICK FISHING CHARTER

July

July Fishing Season – Southern Costa Rica

Primary Species

  • Blue Marlin: Continued excellent summer action
  • Yellowfin Tuna: Reliable action with occasional trophy fish
  • Roosterfish: Consistent inshore opportunities
PICK FISHING CHARTER

August

Aug. Fishing Season – Southern Costa Rica

Primary Species

  • Blue Marlin: Last month of peak summer action
  • Yellowfin Tuna: Strong showing continues
  • Roosterfish: Premium inshore action
  • Snook: Beginning of snook run
PICK FISHING CHARTER

September

Sep. Fishing Season – Southern Costa Rica

Primary Species

  • Dorado: Start of the dorado run
  • Roosterfish: Excellent inshore action continues
  • Snook: Peak season begins
PICK FISHING CHARTER

October

Oct. Fishing Season – Southern Costa Rica

Primary Species

  • Dorado: Peak season with numerous opportunities
  • Roosterfish: Consistent inshore action
  • Snook: Prime time for trophy fish
PICK FISHING CHARTER

November

Nov. Fishing Season – Southern Costa Rica

Primary Species

  • Dorado: Continued strong presence
  • Roosterfish: Premium inshore opportunities
  • Snook: Last month of peak season
  • Blue Marlin: Return of consistent marlin action
PICK FISHING CHARTER

December

Dec. Fishing Season – Southern Costa Rica

Primary Species

  • Blue Marlin: Strong presence
  • Black Marlin: Trophy opportunities
  • Sailfish: Numbers building
  • Dorado: Still present in good numbers
  • Yellowfin Tuna: Excellent action
  • Roosterfish: Premium inshore opportunities
  • Snook: Quality fish still available
  • Cubera Snapper: Good bottom fishing
PICK FISHING CHARTER
Masters of Costa Rica’s Waters

EXPLORE OSA PENINSULA ‘S
#1 FISHING CHARTER

5.0

Fishing Charter
7 Days Adventure
Sailfish caught during Costa Rica fishing adventure
Fishing Charters Costa Rica

Clean Sweep Week Charter

Experience the ultimate Costa Rica adventure: three days of world- class fishing followed by three days at a matapalo beachfront jungle lodge, combining premier sportfishing with unforgettable wildlife encounters.

  • Three full days fishing multiple species from marlin to roosterfish
  • Three days exploring pristine jungle and beaches at Encanta La Vida Lodge
  • All-inclusive package with lodging, fishing, and ground transportation
  • Perfect blend of epic fishing action and natural paradise
CHARTER DETAILS
Fishing Charter
Full Day Fishing
Fishing Charters Costa Rica

Full Day Fishing Charter

Experience eight hours of world-class fishing off Costa Rica’s Osa Peninsula most productive waters. Our adaptive approach and state-of-the-art vessel ensures an epic day chasing your dream species.

  • Complete flexibility to target your preferred species
  • All premium tackle and live bait included
  • Gourmet lunch and refreshments provided
  • Expert crew focused on guest success
CHARTER DETAILS
Fishing Charter
Half Day Fishing
Happy angler with catch on half day fishing charter Costa Rica
Fishing Charters Costa Rica

Half Day Fishing Charter

Perfect for morning adventures, this four-hour trip combines world-class fishing with expert instruction. Target marlin, tuna, roosterfish, and cubera snapper while learning professional techniques.

  • Choice of inshore or offshore fishing adventures
  • Premium tackle and expert guidance included
  • Target multiple species in a single morning
  • Learn professional rigging and fishing techniques
CHARTER DETAILS
Fishing Charter
Seamount Fishing
Seamount fishing adventure offshore Costa Rica
Fishing Charters Costa Rica

Seamount Fishing Charter

Journey 30-70 miles offshore to underwater mountains where blue marlin congregate in extraordinary numbers. This 12-hour adventure offers the ultimate big-game fishing experience in comfort and safety.

  • Multiple blue marlin encounters possible in a single day
  • Schools of massive yellowfin tuna in pristine waters
  • High-speed comfort makes distant grounds easily accessible
  • Premium offshore experience most anglers only dream about
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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.