Jaco Fishing Report: July 15–30, 2026
This Jaco fishing report for July 15–30, 2026 covers a productive stretch of fishing around Jaco, Herradura Beach and Los Sueños. The weather stayed favorable for most trips, yellowfin tuna and roosterfish catches increased, mahi mahi remained active, and bottom fishing continued to produce strong results. Marlin activity stayed low, with only two reported catches during the period.
- Yellowfin tuna: a clear increase in activity, including a standout large tuna aboard the 32′ Carolina Classic.
- Roosterfish: improved inshore catches and a better option for guests who wanted coastal action.
- Mahi mahi: remained active, with many fish in the medium-size range.
- Marlin: stayed slow, with only two catches reported.
- Bottom fishing: continued to be productive, highlighted by an exceptionally large grouper.
- Weather: good overall conditions, warm mornings and manageable late-day rain patterns.

Jaco fishing report highlights: good weather and steady action
The second half of July brought generally good conditions for fishing from Costa Rica’s Central Pacific coast. Warm mornings gave crews useful early windows to leave Herradura and Los Sueños, reach productive water and begin searching before the heat and clouds built later in the day. Some afternoon and nighttime rain remained part of the green-season pattern, but the overall weather allowed the local fleet to maintain a regular fishing schedule.
For visiting anglers, the practical lesson is simple: early departures continue to offer the best combination of cooler temperatures, more fishing time and flexibility if weather develops later. Conditions can still change from one day to the next, so travelers should check the Jaco fishing weather and sea conditions guide and confirm the current recommendation with the crew before departure.
Yellowfin tuna activity increased offshore
Yellowfin tuna showed one of the clearest improvements from July 15 through July 30. More tuna activity gave offshore crews additional opportunities beyond the mahi mahi bite and created several memorable fights for guests. Tuna are powerful fish, and larger specimens demand steady pressure, properly adjusted drag and coordinated work between the angler, captain and mate.
The highlight came aboard the 32′ Carolina Classic, which landed the large yellowfin tuna shown in this report. The catch stood out because of its size and because it confirmed that quality tuna were available when the boat found the right activity. Guests specifically interested in tuna should review the yellowfin tuna fishing guide for Jaco and usually consider a full-day fishing charter, which gives the captain more time and range to search offshore.


Roosterfish catches improved inshore
The inshore side of the report also improved, especially for roosterfish. These fish remain one of the most requested Costa Rica sportfishing targets because of their distinctive dorsal fin, strong runs and preference for coastal water around bait, rocky structure and points. The increase in roosterfish catches gave families and anglers with shorter schedules a strong alternative to a long offshore run.
When current local reports point toward coastal action, an inshore fishing trip from Jaco or a private half-day charter may be the smarter option. Guests focused on this species can also review the dedicated Jaco roosterfish fishing guide. Catch reports help guide the decision, but they never guarantee the same result on the next trip because bait, current, water clarity and fish movement can change quickly.
Mahi mahi stayed active with medium-size fish
Mahi mahi remained one of the more dependable offshore species during the reporting period. Crews continued to find a useful number of fish, with many catches falling into the medium-size range. Although the period did not produce only giant trophy mahi, the steady activity helped keep offshore trips exciting and gave groups opportunities for multiple bites.
Mahi mahi can be associated with current lines, floating material, bait and feeding birds. A full day normally gives crews more flexibility to search for those signs and combine the mahi goal with tuna or billfish opportunities. Travelers planning around this species can compare the Costa Rica mahi mahi fishing guide with the latest report before selecting a boat.
Marlin numbers remained low
Marlin activity remained limited from July 15 through July 30. Only two marlin catches were reported during the period, making marlin the slowest major offshore target in this update. Those two catches were still memorable, but the overall numbers did not support presenting marlin as the most consistent target for these dates.
Guests who want to focus specifically on marlin should understand that it is a trophy-style goal that may require patience, the right offshore water and a full-day or premium boat strategy. The Costa Rica marlin fishing guide explains the trip style, while the crew’s most recent local information should guide the final booking choice.
Bottom fishing stayed strong and produced a giant grouper
Bottom fishing remained good, which is common when crews can work productive reefs, ledges and deeper structure. This style of fishing can produce grouper, snapper and other strong species that immediately try to return to cover after taking the bait. Heavy tackle, quick reactions and experienced boat handling become especially important when a large grouper is hooked near structure.
The giant grouper shown in these photos was one of the most impressive catches of the entire period. Its size made it a standout fish for the guests and crew, and it reinforced the value of keeping bottom fishing in the plan when offshore conditions or guest goals make a mixed strategy useful.


Boat spotlight: the 32′ Carolina Classic
The 32′ Carolina Classic was the boat that stood out most in this late-July report. It produced both the large yellowfin tuna and the giant grouper featured in the photographs. That combination demonstrated the range of fishing available around Jaco and Herradura: serious offshore action for tuna and productive structure fishing for powerful bottom species.
Boat selection should still be based on the date, group size, target species, comfort needs and live availability. Guests can compare the Carolina and other options on the Wahoo fishing boats page or review all Jaco fishing charters before requesting a recommendation.
What the report means for choosing a charter
| Fishing goal | Late-July report | Trip to consider |
|---|---|---|
| Yellowfin tuna | Activity increased and included a standout large tuna. | Full day offshore or a premium boat with more range. |
| Roosterfish | Inshore catches improved. | Half day or inshore fishing around coastal structure. |
| Mahi mahi | Active, with many medium-size fish. | Full day offshore for more search time and flexibility. |
| Marlin | Slow, with only two reported catches. | Full day or premium offshore trip with realistic expectations. |
| Grouper and bottom fish | Bottom fishing remained productive. | Ask about reef, ledge and deeper-structure fishing. |
August fishing and weather outlook
For August, the local expectation shared by the Wahoo team is for warm mornings with the possibility of moderate rain during some afternoons and nights. That makes early departures especially practical. The Costa Rican National Meteorological Institute also publishes an official subseasonal weather outlook; because regional forecasts and daily coastal conditions can differ, guests should confirm the day-specific recommendation before choosing a trip.
Based on the July 15–30 results, yellowfin tuna, mahi mahi, roosterfish and bottom species are important targets to watch as August develops. Marlin may improve if offshore conditions change, but the late-July numbers were low. The Jaco fishing calendar provides seasonal context, while the most recent boat reports provide the best short-term picture.
Frequently asked questions
Was fishing good in Jaco during July 15–30, 2026?
Yes. Yellowfin tuna and roosterfish catches increased, mahi mahi remained active, and bottom fishing produced good results. Marlin activity was lower, with only two reported catches.
Which boat had the best catches?
The 32′ Carolina Classic was the standout boat in this report, producing the featured large yellowfin tuna and giant grouper.
What size were the mahi mahi?
Mahi mahi remained active, and many of the catches reported during this period were medium-size fish.
Should families choose inshore or offshore fishing?
Families wanting a shorter trip and coastal action may prefer half-day or inshore fishing. Groups focused on tuna, mahi mahi, marlin or more offshore range should consider a full-day charter.
What weather should anglers expect in August?
Warm mornings are expected, with rain possible later in the day or at night. Weather changes quickly in the tropics, so guests should confirm the current forecast and sea conditions with Wahoo before departure.
Final takeaway from July 15–30
The second half of July produced a useful mix of offshore and inshore opportunities. Tuna and roosterfish improved, mahi mahi kept boats active, and bottom fishing delivered one of the period’s most impressive catches. Marlin remained the exception, with only two reported fish. For travelers choosing a charter, the best strategy is to match the latest bite with the group’s schedule and comfort level rather than choosing only by a fixed calendar.
Ask what is biting before you book
Send Wahoo your date, group size, hotel area and preferred species. We will compare the latest report, weather, boat availability and trip length before recommending half day, full day, inshore, offshore or a premium boat.
