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Marathon, Florida
Deep Sea Fishing in Marathon
16 charter boats in Marathon, Duck Key, Grassy Key and the Middle Keys that run offshore and deep sea trips, listed A to Z with their boats and published prices. Call the captain directly – we never take a commission.
The boats
Marathon deep sea fishing charters, A to Z
Every boat here lists offshore, reef or wreck trips on its own published trip menu. Confirm the trip, the price and what is included before you book.
Always Enough Duck Key Sport Fishing
Blackfin Resort Motel & Marina, 4650 Overseas Hwy, Marathon, FL 33050
Targets: Sailfish, Mahi-mahi, Tuna, Wahoo, Mutton snapper, Grouper, King mackerel, Bonefish
Always Late Charters
Captain Hook's Marina, 11833 Overseas Highway, Marathon, FL 33050
Coast Guard license shown on their site checked October 2026
Targets: Mahi-mahi, Blackfin tuna, Wahoo, Sailfish, Yellowtail snapper, Black grouper, Mutton snapper, Mangrove snapper
Angling Adventures
Island Fish Company, 12648 Overseas Hwy, Marathon, FL 33050
Targets: Mangrove snapper, Yellowtail snapper, Mutton snapper, Amberjack, Cobia, Mahi-mahi, Tarpon, Bonefish
Best Bet Sportfishing
400 Sadowski Causeway, Key Colony Beach, FL 33051 (MM 54)
Targets: Mutton snapper, Amberjack, Grouper, Mahi-mahi, Tuna, Sailfish, Swordfish, Tarpon
Catch 'Em All Sportfishing
Marathon Sailfish Marina, 100 Avenue I, Marathon, FL 33050 (MM 54.2 oceanside)
Targets: Tarpon, Mahi-mahi, Barracuda, Grouper, Goliath grouper, King mackerel, Marlin, Sailfish
Gotcha Sportfishing
Hawks Cay Marina, 61 Hawks Cay Blvd., Duck Key, FL 33050
Targets: Mahi-mahi, Tuna, Wahoo, Sailfish, Marlin, Yellowtail snapper, Mutton snapper, Grouper
Harmony Charters
Marathon
Targets: Black grouper, Mutton snapper, Yellowtail snapper, Lane snapper, Jack crevalle, Wahoo, Blackfin tuna, Mahi-mahi
Johnny Maddox Charters
3502 Gulfview Avenue, Marathon, FL 33050
Targets: Snapper, Grouper, Shark, Amberjack, Mahi-mahi, Wahoo, Marlin
Kelly's Green Sportfishing
1688 Overseas Hwy, Marathon, FL 33050
Targets: Mahi-mahi, Tuna, Wahoo, Sailfish, Mutton snapper, Grouper, Amberjack, Tarpon
Main Attraction Fishing Charters
Marathon Sailfish Marina, 100 Ave I, Marathon, FL 33050 (MM 54.5)
Targets: Swordfish, Tarpon, Blackfin tuna, Mahi-mahi
Marathon Fishing Kings
Behind Keys Fisheries, 3502 Gulfview Ave, Marathon, FL 33050
Targets: Mangrove snapper, Spanish mackerel, Speckled trout, Yellowtail snapper, Grouper, Mahi-mahi, Tuna, Sailfish
Marathon Lady
11711 Overseas Hwy, Marathon, FL 33050
Targets: Snapper, Grouper, Mackerel
Sea Dog Charters
1248 Overseas Hwy, MM 47.5 Bayside, Marathon, FL 33050
Targets: Yellowtail snapper, Mangrove snapper, Mutton snapper, Grouper, Barracuda, Cobia, Tuna, Mahi-mahi
SeaSquared Charters
1996 Overseas Hwy, Marathon, FL 33050
Targets: Grouper, Snapper, Amberjack, Cobia, Mahi-mahi, Wahoo, Tuna, Tarpon
Superfish Charters
13205 Overseas Highway, Marathon, FL 33050
Targets: Mahi-mahi, Blackfin tuna, Wahoo, Sailfish, Grouper, Mutton snapper, Yellowtail snapper, Amberjack
Sweet E'Nuf Charters
110 Coco Plum Drive, Marathon, FL 33050
Targets: Sailfish, Mahi-mahi, Tuna, Grouper, Snapper, King mackerel, Wahoo, Cobia
Listed alphabetically – this is not a ranking. Updated October 2026. All 17 operators: Marathon fishing charters.
What to expect
Deep sea fishing in Marathon at a glance
Offshore and deep sea trips run past the beaches to reefs, wrecks, ledges and open water for bigger fish. Expect longer runs, more swell and longer trips – full days are common.
- Trip lengths these boats publish: Half day (about 4 hours) – 12; Full day (8 hours or more) – 11; Three-quarter day (about 6 hours) – 8.
- Fish they list most: Mahi-mahi, Grouper, Sailfish, Tuna, Wahoo, Mutton snapper, Tarpon, Yellowtail snapper.
- In season in October: Sailfish, Wahoo, Mutton snapper (see the Marathon season calendar).
- Group size: most of these boats that publish a limit take up to 6 guests (the largest up to 20).
- Coast Guard license: 1 of 16 show the captain’s US Coast Guard license on their own site.
Offshore water is rougher than the bay. If you get seasick, read how to avoid seasickness on a charter before you go, and check the Marathon wind forecast – the captain always makes the final weather call.
Prices
What deep sea fishing costs in Marathon
Calculated from the private-trip prices these boats publish, as of October 2026. Prices are for the whole boat, not per person; tips and fish cleaning can be extra.
| Trip | Median | Range | Boats |
|---|---|---|---|
| Private half day (about 4 hours) | $997 | $750 – $1,500 | 12 |
| Private full day (about 8 hours) | $1,800 | $1,200 – $2,500 | 9 |
More: fishing charter prices across the US · half day vs full day.
Questions
Deep sea fishing in Marathon: questions
How much is deep sea fishing in Marathon?
Among 12 boats that publish a private half-day price, the median is $997 (from $750 to $1,500), and the median full day is $1,800. Prices are for the whole boat. Confirm the price and what is included when you book.
What fish can you catch deep sea fishing in Marathon?
Is deep sea or inshore fishing better in Marathon?
Inshore trips are calmer, shorter and better for kids and first-timers; offshore trips run farther for bigger fish and take more time. Marathon also runs inshore trips: 10 inshore guides. Inshore vs offshore explained.
Does Gone Fishing HQ take a commission?
No. You book with the captain directly by phone or on their own website, and they keep 100% of the trip price.
For captains and guides
Your boat, listed free. No commission, ever.
Anglers call you or book on your own website, and you keep 100% of every trip. Want more detail or the one Featured spot in your town? Enhanced is $19/month and City Spotlight $49/month.