Marathon Fishing Charters
& Deep Sea Fishing

Compare 33 Marathon fishing charters, with deep sea and inshore & bay trips. Contact the captain directly by phone or through their website. We don't take bookings or fees.

Contact details checked on each charter's own website

When are you going?

Typical conditions for the month, from NOAA records.

Charters in Marathon

Call or visit a captain's website to ask about trips, dates and prices. If they're out on the water, leave a message.

33 charters in Marathon

Deep sea fishing in Marathon

28 of the 33 charters in Marathon list offshore trips on their own websites.

Offshore fish you can keep in September

State or federal water

The Keys sit between both: state waters run 9 miles out on the Gulf side and 3 miles out on the Atlantic side; beyond that is federal water. Which side of that line you fish on can change the season and the limits.

Federally permitted boats

Aboard a charter with a federal Gulf reef fish permit, the federal season applies to red snapper, gag grouper and amberjack, even inside state waters. Ask whether the boat is federally permitted.

Harvest status is September's rule for Marathon from FWC and NOAA Fisheries; state-waters distances are FWC's. Tap a fish for dates, sizes and limits.

Fishing trips in Marathon by type

Counted from what each charter lists on its own website.

Inshore and bay fishing in Marathon

22 charters list inshore trips, in the bays, back-waters and shallows closer to shore. Among them: Always Late Charters, Ana Banana Fishing Charters, Top Notch Sportfishing, Fishing Kings, All Keys Fishing Charters and 17 more.

Half-day and full-day fishing trips

18 charters list half-day trips and 21 list full-day trips. Trip lengths vary by boat, so ask the captain exactly how many hours are on the water.

Family fishing charters in Marathon

25 charters mention kids or families on their websites. Ask the captain about life jackets in children's sizes and how long the trip runs.

Planning a trip to Marathon

Check tides for your dates, see what each month is usually like, and see the closest airports.

Tides on your fishing day

Choose a date to see high and low tide

NOAA tide predictions for Vaca Key-Fat Deer Key bridge.

Typical conditions by month

  • Warmest water: May to October
  • Fewest rainy days: March and April
  • Coolest water: January, around 72°F
  • Warmest air: August, highs near 92°F

Closest airports

With airline service

  • EYWKey West International 48 miles away
  • MIAMiami International 87 miles away

Local public airports

  • MTHThe Florida Keys Marathon International 2 miles away

Straight-line miles from the centre of Marathon.

See the month-by-month averages
JanFebMarAprMayJunJulAugSepOctNovDec
Sunset5:57 PM6:19 PM7:33 PM7:46 PM8:01 PM8:15 PM8:16 PM7:59 PM7:28 PM6:57 PM5:37 PM5:38 PM
Water72°75°78°80°85°87°89°89°88°83°77°74°
Air (high)76°78°81°84°88°90°91°92°90°86°81°78°
Rainy days332256889733

Water temperature: NOAA Vaca Key, Florida Bay station (3 miles away), 2021-2025 averages. Air temperature and rainy days: NOAA 1991-2020 normals, MARATHON AP. A rainy day has 0.1 inch of rain or more. Tides: NOAA predictions for Vaca Key-Fat Deer Key bridge. Sunrise and sunset: Calculated for Marathon, 15th of each month. Airports: FAA airport registry for public-use airports and their locations, FAA CY2024 passenger boardings for which have airline service, town centre from the Census 2024 gazetteer, Marathon city.

Questions about fishing charters in Marathon

How many fishing charters are in Marathon?

This page lists 33 fishing charters in Marathon, Florida, each with a phone number and website checked on the charter's own site.

When is the water warmest near Marathon?

May through October, when the nearest NOAA station averages 83–89°F. It's coolest in January, around 72°F.

How many deep sea fishing charters are in Marathon?

28 of the 33 charters listed in Marathon say on their websites that they run offshore (deep sea) trips. 22 run inshore and bay trips.

What deep sea fish can I keep in Marathon in September?

Under Florida's rules you can keep amberjack, king mackerel, mahi-mahi, tuna, wahoo and cobia. For grouper it depends on the dates or whether the boat holds a federal permit. Red snapper is closed to harvest. Sailfish and marlin can legally be kept, but only within strict rules: Sailfish must measure 63 inches, lower jaw to fork, and in federal waters the boat needs a federal HMS permit. Blue marlin must measure 99 inches and white marlin 66 inches, lower jaw to fork, and the boat needs a federal HMS permit. Seasons change, so check each fish page or ask the captain before you keep one.

Where do state waters end off Marathon?

The Keys sit between both: state waters run 9 miles out on the Gulf side and 3 miles out on the Atlantic side; beyond that is federal water. Federal seasons and limits apply beyond it, and for some fish they also apply to federally permitted charter boats inside state waters.

How do I book a charter in Marathon?

Call the captain or use their website. CharterFishingBoat doesn't take bookings or payments, and there's no fee to use the directory.

What should I ask the captain?

Ask what the trip includes, how long it lasts, how many people can come, what you're likely to catch that time of year, and the cancellation policy if the weather turns.

What airports are closest to Marathon?

The closest airports with airline service are Key West International (EYW), 48 miles away and Miami International (MIA), 87 miles away. Local public airports nearby: The Florida Keys Marathon International (MTH), 2 miles away. Distances are straight-line miles from the centre of town.

Are there family-friendly fishing charters in Marathon?

25 charters in Marathon mention kids or families on their websites. Ask the captain about children's life jackets, trip length and whether there's a restroom on board.

What you can keep out of Marathon in September

Harvest rules for the fish these charters name, under the seasons FWC and NOAA Fisheries list for 2026. Being open is not the same as being in season to catch.

You can keep one

Depends on the dates or the boat

  • GrouperAtlantic: gag: closed · Atlantic: red and black: open

Harvest closed this month

Catch and release only

Seasons change, sometimes mid-season. Each fish links to its own page with the dates, sizes and limits, and the agency they came from. Confirm with your captain before keeping anything.

Florida state records caught at Marathon

2 saltwater all-tackle records list Marathon as the catch location.

  • Wahoo 139.56 lb May 18, 1960 · George Von Hoffman
  • Nassau grouper
    9.00 lb January 28, 2007 · Nicholas F. Grecco

From FWC Florida Saltwater Fishing Records (All-Tackle), checked Sep 2026. The place is the catch location FWC recorded.

What these charters fish for

Counted from what each charter lists on its own website. Open each for the season and limits.

Sailfish29Mahi-Mahi27Wahoo27Mutton Snapper25Yellowtail Snapper22Mangrove Snapper22King Mackerel21Amberjack21Tarpon20Barracuda20

Charters near Marathon

Key Colony Beach3Duck Key6Big Pine Key7Summerland Key8Islamorada56Tavernier11

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