The Florida Keys are a world-class fishing destination known for warm waters, strong tides, and rich biodiversity. Winter in the Keys may be cooler than summer, but in most places it still feels like mild spring. For anglers, this season brings some of the most exciting opportunities of the year. The fish are active, the crowds are thinner, and the water is clear. Whether you are an experienced angler or you’re planning your first trip, winter fishing in the Florida Keys offers unforgettable experiences.
In this guide, we’ll explore the best fish to catch in the Florida Keys during the winter months. We’ll talk about where to find them, how to catch them, what techniques work best, and why this season can be so rewarding. If you’re already planning a trip to this beautiful part of Florida or you’re dreaming of your first Keys fishing adventure, this blog will help you prepare for an incredible time on the water.
Why Winter Fishing in the Florida Keys Is Special
When people imagine fishing in Florida, they often think of hot summer days and tropical vibes. But winter in the Keys is different and special in its own way:
- Cooler Weather: Temperatures are comfortable, usually in the 60s and 70s, making long days on the water more enjoyable.
- Clear Waters: Cooler temperatures reduce algae blooms, improving visibility below the surface.
- More Active Predators: Many fish species feed aggressively as they prepare for seasonal changes.
- Fewer Tourists: The Keys are a popular winter destination, but compared with the holidays and summer months, fishing pressure can feel lighter.
Winter fishing in the Keys is not slowed down by the season, it’s enhanced by it.
10 Best Fish to Catch in the Florida Keys During Winter
1. Sailfish
Sailfish are among the most thrilling gamefish in the world. Known for their speed and aerial acrobatics, they are a bucket-list catch for many anglers.
When: Peak sailfish season in the Keys often runs from November through April, with excellent action in December through February.
Where: Offshore around reefs, wrecks, and deep channels.
How to Catch: Live bait such as goggle-eye, ballyhoo, or pilchards, fished near the surface when sails are spotted. Trolling is also common in open water.
Winter is one of the best times to see sails in schools. They often rise to feed near bait schools, giving anglers great hook-up chances.
2. Mahi-Mahi (Dolphinfish)
Mahi-mahi are colorful, fast, and explosive fighters that often show up around floating debris and weed lines.
When: They can be caught year-round, but winter offers great sightings around warm currents and floating debris that travel south.
Where: Offshore in open water, especially near Sargassum lines.
How to Catch: Trolling with skirted lures or natural teaser rigs. Live or dead baits also work well.
Although mahi aren’t as plentiful as during summer, winter sightings around weed lines and rip currents can still produce solid action.
3. Tuna (Blackfin & Yellowfin)
Tuna are open-ocean predators that provide fast, powerful fights.
When: Blackfin tuna can be caught throughout winter, especially on warm fronts. Yellowfin may be present if water temperatures stay higher.
Where: Offshore deep water structure, thermoclines, and bait schools.
How to Catch: Trolling small skirts and lures, chumming live bait, or slow-trolling live baits.
Tuna feed actively in winter, and finding a working bait school can lead to multiple hookups.
4. Kingfish (King Mackerel)
Kingfish are aggressive predators and a great target for anglers wanting quick action.
When: Fall through spring, with excellent winter runs.
Where: Nearshore reefs, wrecks, and bridges.
How to Catch: Trolling spoons and plugs at speed or casting live bait near structure.
Kings put up a strong fight and are often abundant in winter waters.
5. Spanish Mackerel
Smaller than kingfish but fast and plentiful, Spanish mackerel are fun for all skill levels.
When: Fall through winter.
Where: Around docks, bridges, and nearshore reefs.
How to Catch: Light tackle with small spoons or casting jigs. Free-lining live bait also works.
They hit quickly and feed in schools, making them great early morning or midday targets.
6. Amberjack
Amberjacks are tough fighters found near wrecks and structures.
When: Winter months find them deeper, but they are still catchable.
Where: Offshore deep wrecks, ledges, and rocks.
How to Catch: Heavy tackle, live bait or large jigs fished close to structure.
These fish are powerful and not easy to land, but that challenge is part of the reward.
7. Grouper (Gag & Black Grouper)
Winter is grouper season in many parts of the Gulf and Atlantic. Gag grouper, in particular, move offshore to deeper reefs.
When: Gag grouper season often opens in March, but early winter can still produce catches in shallower water.
Where: Reefs, wrecks, and deep ledges.
How to Catch: Bottom fishing with cut bait, live bait, or jigs.
Grouper are slow-but-steady fighter and excellent table fare.
8. Snapper (Mangrove & Yellowtail)
Snapper remain active in winter, and anglers enjoy good action on them.
When: Year-round, including winter.
Where: Shallow reefs, wrecks, and structure.
How to Catch: Bottom rigs with natural bait like shrimp, squid, or cut fish.
Snappers are great for families and anglers of all skill levels.
9. Tarpon (if conditions allow)
Tarpon are more famously a spring and summer species, but in warm winter patterns, they can still be caught in keys waters.
When: Best in early winter or late winter days when water temperatures stay comfortable.
Where: Bridges, passes, deeper channels.
How to Catch: Live bait on heavier tackle, drifted or free-lined near structure.
Tarpon in winter can be unpredictable, but when present, they offer unforgettable runs and jumps.
10. Bonefish
Bonefish are the classic flats fish, prized for their stealthy fight and gray-ghost tactics.
When: Year-round; winter can be excellent on calm days.
Where: Shallow flats, especially in the back country around islands.
How to Catch: Sight fishing with light tackle, flies, or small bait rigs.
Bonefish demand patience and skill, but landing one is a highlight for many anglers.
Where to Fish in the Florida Keys During Winter
Nearshore Reefs and Wrecks
These areas are great for grouper, snapper, kingfish, amberjack, and mackerel. The reefs provide structure where fish gather to feed.
Deep Channels and Offshore Drop-offs
Target sailfish, tuna, mahi, and large pelagic species. Winter currents can concentrate baitfish here, attracting bigger predators.
Flats and Backcountry
This is the home of bonefish and smaller species like permit or juvenile tarpon. Calm, clear days make for excellent sight fishing.
Bridges and Channels
Structure, bait, and water flow make bridges a hotspot in winter, especially for kingfish and mackerel.
Techniques That Work Well in Winter
Trolling
Trolling is excellent for sailfish, tuna, mahi, and kingfish. Adjust your troll speed and bait presentation based on species and conditions.
Bottom Fishing
When targeting grouper and snapper, bottom rigs with natural bait are highly effective.
Chumming
For tuna and kings, chumming with cut bait or chum blocks can bring fish in and encourage feeding.
Sight Fishing
Flat fishing for bonefish or permit is best done with light tackle and sharp eyes.
Drift Fishing
Drifting with live bait near structure can be productive for larger predators like tarpon or amberjack.
Tackle Tips for Winter Anglers
- Rod and Reel: A medium-heavy rod with a good drag system will cover most offshore needs. Lighter gear works for flats fishing.
- Line: Braided line offers sensitivity and strength, with a fluorocarbon leader for stealth near finicky species.
- Hooks: Circle hooks are excellent for catch-and-release ethical fishing, and they also improve hookup rates with natural bait.
- Baits: Live baits like pilchards, pinfish, and blue runners work wonders. Dead baits like squid and cut fish are great for bottom species.
- Lures: Spoons, skirts, and poppers are great for trolling and casting, depending on the target fish.
Weather and Water Conditions in Winter
Winter weather changes quickly in the Keys. Cold fronts can blow in strong winds or choppy seas. This is part of the adventure, but it’s important to be prepared:
- Check weather forecasts before heading out.
- Dress in layers, especially early in the morning.
- Bring sunscreen – winter sun can still be intense.
- Stay hydrated, even on cooler days.
Water temperature is a key factor. Most fish remain active when temperatures stay above the low 60s. But rapid drops from strong fronts can temporarily slow feeding.
Seasonal Patterns to Know
- Early Winter (December): Sailfish become more common offshore, and kingfish and mackerel are steady near structure.
- Mid-Winter (January-February): Tuna and sailfish are active. Grouper are deeper but catchable. Flats are calmer.
- Late Winter (March): Gag grouper season often opens. Tarpon may begin to show in warmer water pockets.
Each part of winter brings its own flavor of fishing action.
Conservation and Responsible Fishing
Florida Keys fishing supports livelihoods and cultures that thrive on healthy fisheries. Here are some ways you can fish responsibly:
- Follow size and bag limits set by local regulations.
- Use circle hooks for live bait fishing to reduce injury.
- Consider catch and release for larger game fish or species under pressure.
- Dispose of line and tackle properly to protect wildlife.
Being a good angler means protecting the water and the fish you love.
Food and Local Culture
After a day on the water, the Keys also offer incredible seafood and local flavor. Grilled snapper, mahi-mahi tacos, and fresh grouper sandwiches are local favorites. Many restaurants even welcome anglers bringing their catch, and some will cook it for you.
Fishing in the Keys is not just about the catch, it’s about the experience, the sunsets, the stories, and the salt on your skin.
Tips for First-Time Winter Anglers
If this is your first time fishing the Keys in winter, here are some quick tips:
- Book a guide if you want local knowledge and extra confidence.
- Start with nearshore fishing before going far offshore.
- Pack for weather changes – wind, sun, and sudden shifts are common.
- Ask local tackle shops for current bite reports.
- Be flexible – fish move and conditions change, so adapt your strategy.
Conclusion
Winter in the Florida Keys is a magnificent time to fish. From powerful sailfish and tuna offshore to bonefish on the shallow flats, this season offers variety and excitement for anglers of all levels. Cooler temperatures, clearer water, and active fish create a special experience that keeps anglers coming back year after year.
If you’re planning a winter trip to the Keys and want a truly memorable fishing adventure, there is one name many local anglers and visitors trust: Robbie’s of Islamorada. Robbie’s is a legendary spot where you can charter boats, rent gear, book experienced captains, and learn local hot spots from people who know these waters intimately. We offer options from shallow flats trips to deep-sea excursions, making it easy to tailor your day on the water to the fish you want to catch.
Whether you’re chasing sailfish offshore, targeting grouper near reefs, or stalking bonefish on calm flats, Robbie’s can help you make the most of your time in the Florida Keys. If you’re visiting or planning a future trip, stopping by Robbie’s of Islamorada is a great way to start your fishing adventure.
Tight lines and happy fishing!
