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Located in the heart of the Florida Keys, Marathon is a prime destination for fishing enthusiasts. This charming island community offers a diverse range of fishing experiences year-round. In this guide, we will explore the best seasons for fishing, the types of fish you can catch, and tips to make the most of your fishing adventure in Marathon.

Why go Fishing in Marathon, Florida?

Fish Caught Near Marathon, Florida

Marathon’s strategic location in the Middle Keys provides access to both the Atlantic Ocean and the Gulf of Mexico, offering a unique variety of fishing opportunities. The area is known for its rich marine biodiversity, stunning coral reefs, and favorable fishing conditions, making it a top choice for anglers of all skill levels.

Best Seasons for Fishing in Marathon, Florida

Fishing in Marathon is productive throughout the year, but certain seasons are particularly favorable for specific types of fish. Here’s a breakdown of what to expect each season:

Spring (March to May)

Spring is an excellent time to fish in Marathon as the warming waters increase fish activity. During these months, you can expect to catch Sailfish, Mahi-Mahi (Dolphin Fish), and Tarpon..

Summer (June to August)

Summer is the peak fishing season in Marathon. The warm weather and calm seas provide ideal inshore and offshore fishing conditions. Key catches include Yellowtail Snappers, Blackfin Tuna, and Bonefish.

Fall (September to November)

Fall offers cooler temperatures and continued excellent fishing opportunities. Fish are feeding heavily in preparation for winter. Expect to catch Mutton Snapper, Permit, and Wahoo.

Winter (December to February)

Winter fishing in Marathon is less crowded but still rewarding. The cooler water temperatures affect fish behavior, but there are still plenty of opportunities to catch Groupers, King Mackerel, and Barracuda.

Types of Fish in Marathon

Marathon’s waters are home to various fish species, each offering a unique challenge and reward. Here are some of the most sought-after catches:

Inshore Fish


Tarpon Caught Near Marathon, Florida

Tarpon have large, shiny silver scales and an elongated body. They are famous for their acrobatic leaps when hooked. Usually found in coastal waters, estuaries, and near river mouths, tarpon can be caught using heavy tackle with live bait such as mullet or crabs, casting to schools of fish, or drifting bait in strong tidal currents.


Bonefish Caught Near Marathon, Florida

These sleek, silver fish are known for their speed and are often found in shallow flats. Use light tackle with live shrimp or crabs, or artificial lures such as jigs, casting to schools of Bonefish in the shallow waters.


Permit Caught Near Marathon, Florida

Sleek and silver with a dark spot behind the pectoral fin, Permit are strong fighters found around wrecks and reefs. Medium to heavy tackle with live crabs or shrimp is effective, particularly when sight fishing in shallow waters or near structures.


Snook Caught Near Marathon, Florida

These fish have a distinctive lateral line running from gill to tail and are known for their strong fighting abilities. Snook are commonly found around mangroves, docks, and bridges. The best technique for catching snook is using live bait such as pilchards or shrimp, or artificial lures like jigs and topwater plugs.

Offshore Fish


Sailfish Caught Near Marathon, Florida

These fish have a long, slender body and a large dorsal fin resembling a sail. Known for their speed and acrobatics, Sailfish are commonly found offshore. Use heavy tackle with live bait such as goggle-eye or ballyhoo, trolling or drifting near offshore currents.

Mahi-Mahi(Dolphin Fish)

Mahi-Mahi Caught Near Marathon, Florida

Vibrant green and yellow, Mahi-Mahi are known for their striking colors and strong fight. They are typically found in offshore waters. Light to medium tackle with live bait such as small fish or squid, or trolling with brightly colored lures, is effective.

Blackfin Tuna

Blackfin Tuna Caught Near Marathon, Florida

These fish have a streamlined body with dark blue and black coloring. Blackfin Tuna are found in deeper offshore waters. Use heavy tackle with live bait such as sardines or bonito, trolling or drifting in areas with strong currents.

Yellowtail Snapper

Yellowtail Snapper Caught Near Marathon, Florida

These fish have a distinctive yellow stripe running along their body and a forked tail. Yellowtail Snappers are typically found around reefs and wrecks. Light tackle with live or cut bait such as shrimp or squid is best, fishing near the bottom around structures.

Your Next Fishing Adventure in Marathon, Florida

Whether you're targeting tarpon in the flats, chasing bonefish along the shoreline, or battling trophy sailfish offshore, Captain Experiences offers a variety of guided fishing trips tailored to your preferences. With experienced captains who know Marathon's waters like the back of their hands, top-notch equipment, and a commitment to providing unforgettable fishing experiences, Captain Experiences is your go-to choice for fishing adventures in Marathon. Book your next fishing trip in Marathon, Florida today!