Fishing out of Los Sueños Marina offers something rare in the sportfishing world: a year-round opportunity. Thanks to deep water close to shore, consistent bait movement, and seasonal fish migrations, Los Sueños is productive year-round.
This Los Sueños Fishing Calendar breaks down what you can expect month by month, covering offshore, nearshore, and inshore fishing. Whether your goal is marlin, sailfish, tuna, mahi-mahi, or roosterfish, this guide helps you plan the right trip at the right time.
January – Prime Offshore Action
January marks the heart of the dry season and one of the strongest months for offshore fishing.
Offshore highlights
- Sailfish in good numbers
- Blue and black marlin opportunities
- Consistent dorado action
Inshore highlights
- Roosterfish along rocky shorelines
- Jack crevalle and snapper
Calm seas and stable conditions make January ideal for full-day offshore trips.
February – Peak Season Begins
February is widely considered one of the best months for fishing in Los Sueños.
Offshore highlights
- Excellent sailfish numbers
- Increased marlin encounters
- Tuna is starting to show in better size
Inshore highlights
- Strong roosterfish bite
- Snapper and grouper near structure
This is a favorite month for anglers chasing multiple billfish releases in a single day.
March – World-Class Billfish Month
March is legendary in Los Sueños and often delivers some of the best fishing of the year.
Offshore highlights
- Peak sailfish season
- Blue marlin consistency
- Dorado mixed in offshore
Inshore highlights
- Trophy roosterfish
- Active jacks and pompano
March combines great weather with heavy offshore activity, making it a top choice for serious anglers.
April – Strong Fishing Before the Transition
April continues the strong offshore bite while signaling the upcoming seasonal transition.
Offshore highlights
- Sailfish is still very active
- Marlin numbers remain strong
- Tuna increasing
Inshore highlights
- Roosterfish remain aggressive
- Excellent casting conditions
April is an excellent month for anglers wanting both offshore and inshore flexibility.
May – Transition Month with Big Fish Potential
May marks the start of the green season, but fishing remains excellent.
Offshore highlights
- Blue marlin opportunities
- Yellowfin tuna improving
- Dorado is becoming more common
Inshore highlights
- Roosterfish near shore
- Snapper around reefs
With fewer boats on the water, May offers excellent value and less pressure on fish.
June – Tuna and Mixed Offshore Action
June brings warm water and strong bait movement.
Offshore highlights
- Yellowfin tuna in good numbers
- Dorado consistent
- Marlin still possible
Inshore highlights
- Roosterfish steady
- Jacks and snapper are active
June is ideal for anglers who enjoy variety and action-packed days.
July – Consistent Fishing with Less Pressure
July continues the productive green season pattern.
Offshore highlights
- Tuna schools offshore
- Dorado frequent
- Occasional marlin encounters
Inshore highlights
- Roosterfish reliable
- Snook in estuary areas
Fishing pressure drops during this month, often leading to aggressive bites.
August – Big Tuna and Inshore Strength
August can be an outstanding month for anglers targeting powerful fish.
Offshore highlights
- Large yellowfin tuna
- Dorado mixed in
- Billfish still possible
Inshore highlights
- Roosterfish strong
- Snapper and grouper near structure
Short offshore runs often produce excellent results.
September – Quality Over Quantity
September fishing focuses more on fewer boats and quality opportunities.
Offshore highlights
- Tuna remain strong
- Dorado present
- Marlin is possible on longer runs
Inshore highlights
- Roosterfish continue year-round
- Excellent bottom fishing
Experienced captains excel during this month by reading changing conditions.
October – Underrated and Productive
October is one of the most underrated fishing months in Los Sueños.
Offshore highlights
- Tuna and dorado are consistent
- Early sailfish start appearing
Inshore highlights
- Roosterfish active
- Snook opportunities
With low boat traffic, October often offers relaxed, productive fishing days.
November – Transition Back to Sailfish Season
November marks the shift back toward peak billfish action.
Offshore highlights
- Sailfish numbers increase
- Dorado still available
- Marlin sightings improve
Inshore highlights
- Roosterfish steady
- Jacks and snapper are active
This is a great month to beat the crowds while enjoying improved offshore action.
December – The Cycle Begins Again
December starts the dry season and kicks off another prime fishing cycle.
Offshore highlights
- Sailfish return in numbers
- Marlin opportunities improve
- Dorado consistent
Inshore highlights
- Roosterfish strong
- Calm conditions for light tackle
December is perfect for holiday anglers and families looking for reliable fishing.
Best Species by Season – Quick Reference
Best months for sailfish
- December to April
Best months for marlin
- January to May
Best months for tuna
- May to September
Best months for dorado
- Year-round, peak May to October
Best months for roosterfish
- Year-round, peak December to April
Inshore vs Offshore – How the Calendar Helps
The Los Sueños Fishing Calendar helps anglers choose the right trip type.
- Offshore trips shine during the dry season and transition months
- Inshore trips remain productive all year
- Full-day trips offer the most flexibility
- Half-day trips work well for inshore and nearshore fishing
Knowing what species are active helps captains adjust strategy daily.
Weather and Sea Conditions by Season
Los Sueños benefits from predictable seasonal patterns.
- Dry season offers calmer seas and longer offshore runs
- The green season provides nutrient-rich water and strong bait movement
- Fishing windows remain consistent even during rainy months
This reliability is a significant factor in why Los Sueños is a global sportfishing hub.
Why Los Sueños Offers Year-Round Fishing
Few destinations offer the same consistency as Los Sueños.
Key reasons include:
- Deep water close to shore
- Multiple fishing zones within a short range
- Strong bait presence year-round
- Experienced local captains
Even when one species slows, another picks up.
Final Thoughts – Los Sueños Fishing Calendar
The Los Sueños Fishing Calendar shows why this destination stands out as one of the most reliable fishing locations in Costa Rica. No matter when you visit, there is always something to target, whether offshore for billfish or inshore for roosterfish.
By understanding seasonal patterns and working with knowledgeable captains, anglers can plan trips with confidence and make the most of their time on the water.
