Florida Keys in December

If you're wondering whether December is a good time to visit the Florida Keys, the answer is yes—absolutely. While much of the country is bundling up, we’re soaking in the sun and celebrating the season in true island style. Whether you’re coming for the fishing, the weather, or the festivities, here’s everything you need to know about the Florida Keys in December—especially if you’re staying with us here in Islamorada at Kon Tiki Resort.

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What’s the Weather Like in December?

In a word: perfect. December in the Keys usually brings mild temps in the mid-70s to low 80s during the day, with cooler nights in the upper 60s. You might get the occasional breeze or passing shower, but it's nothing a light jacket can’t handle. It’s the kind of weather that makes sitting outside all day—on the water, at a tiki bar at happy hour, or by the pool—actually enjoyable.

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It’s also a great time for travelers who want sunshine without the intense summer heat. Bonus: there are fewer bugs and lower humidity.

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Fishing in December: Sailfish Season Is On

December marks the heart of sailfish season in the Florida Keys, and Islamorada is one of the best places to launch your trip. Offshore anglers chase tailing sails, while on the reef, yellowtail snapper and grouper are still very much in play. Inshore, you can expect solid action with snook and sea trout.

Staying at Kon Tiki? Take advantage of our complimentary boat dockage and trailer parking, so you can keep your boat right outside your cottage. Our marina is bayside with easy access to Snake Creek and the Atlantic beyond—making us a favorite home base for serious anglers.

If you're new to fishing in Islamorada, check out our blog: The Best Outdoor Activities in Islamorada for Adventure Seekers.

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What to Do in the Keys in December

December isn’t just for water lovers it’s also full of holiday charm and community events. Keep an eye out for:

• Local boat parades, like the Key Largo and Marathon lighted holiday events
• Lobster season still going strong through March
• Daily happy hour spots with waterfront views
• Scenic beach visits—check out our roundup of the best beaches near Islamorada
• Stone crab season (still in full swing)—yes, we’re still snacking on those buttery claws into spring

With cooler weather and lighter crowds than peak winter season, it’s a great time to explore attractions like Theater of the Sea, Windley Key Fossil Reef, and Anne’s Beach without the usual traffic.

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Make Kon Tiki Your December Home Base

At Kon Tiki, you’ll find bayside cottages just steps from the water, boat-friendly accommodations, and that easygoing Old Florida vibe that the big brands just can’t replicate. Plus, staying in Islamorada means you’re centrally located between Key Largo and Key West so you can enjoy a little bit of everything without feeling rushed.

Read more about why Islamorada makes the perfect home base for exploring the Florida Keys.

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