Florida · Keys
GAG GROUPER FISHING
IN MARATHON
Marathon is a solid destination for gag grouper fishing, with peak season in September and good catches in May, June, July. Book a charter and target gag grouper with local experts.
About Gag Grouper Fishing in Marathon
One of the most sought-after grouper species. Found on reefs and ledges in deeper water.
Marathon is a solid destination for gag grouper fishing, offering peak season in September and good catches in May, June, July. The best months to target gag grouper here are September.
Scientific name: Mycteroperca microlepis
Gag Grouper Seasonal Calendar — Marathon
Month-by-month availability for gag grouper in Marathon, FL.
How to Catch Gag Grouper in Marathon
Techniques & Bait
Consult your local charter captain for the most effective baits and techniques in the area.
Recommended Tackle
Your captain will provide all tackle and gear suited to the target species and local conditions.
Best Nearshore Fishing Spots in Marathon
Top spots where local captains target gag grouper and other nearshore species.
Sombrero Reef
Sombrero Reef is a massive coral reef formation marked by the Sombrero Key Lighthouse approximately 4 miles south of Marathon. The reef supports one of the healthiest coral communities in the Keys with excellent fishing for yellowtail snapper, mutton snapper, hogfish, and grouper. It is the premier nearshore reef-fishing destination from Marathon.
Coffins Patch
Coffins Patch is a large patch reef complex between Sombrero Reef and the shore, offering productive fishing in 10-25 feet of water. Yellowtail snapper, mangrove snapper, lane snapper, and hogfish hold on the scattered coral heads and reef structure. The shallow depth and proximity to Marathon make it ideal for shorter fishing trips.
Delta Shoals
Delta Shoals is a shallow reef area south of Marathon where sand flats meet the reef line, creating habitat for a variety of species. Permit frequently cruise the sand channels adjacent to the reef, while yellowtail snapper and mutton snapper hold on the coral structure. The area is known for producing large permit on the shallow flats near the reef.
Marathon Reef (Marker 48)
The reef line near Channel Marker 48 south of Marathon features productive coral formations in 20-40 feet of water. Yellowtail snapper, mutton snapper, hogfish, and black grouper are the primary targets on the reef ledges and coral heads. The deeper edges attract kingfish and cobia during seasonal migrations along the reef line.
Other Species in Marathon
More fish you can target while visiting Marathon.
Gag Grouper Fishing in Marathon — FAQ
The peak months for Gag Grouper fishing in Marathon are September. During these months, Gag Grouper are most active and abundant in the Marathon area.
Gag Grouper fishing charters in Marathon are typically nearshore trips. Prices vary by trip duration and group size. Most charters include all gear, bait, licenses, and fish cleaning.
Consult your local charter captain for the most effective baits and techniques in the area.
No — when you book a charter in Marathon, your captain provides all required Florida fishing licenses as part of the trip.
Gag Grouper regulations in Florida include minimum size limits and bag limits that vary by season. Your captain will know the current regulations and ensure compliance.
While targeting Gag Grouper in Marathon, you may also catch Blackfin Tuna, Mahi Mahi, Sailfish, Tarpon, Mangrove Snapper. Many charter trips target multiple species for the best action.
Ready to Catch Gag Grouper in Marathon?
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