In Marathon there are 4 residential Fiber providers covering 59.99% of the city. The average home can get speeds up to 4,437 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all Fiber internet providers in Marathon, FL.
To see availability maps for all providers including fiber, cable, DSL, and more in Marathon, FL please click below.
Marathon, FL Availability Maps
Fiber Internet Service Providers in Marathon
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Marathon are not shown.
Marathon Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in Marathon is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 59.99% of Marathon. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Marathon above to see who has service at your home.
How fast is fiber internet in Marathon?
The map below shows maximum fiber internet speeds by area in Marathon.
Fiber Internet Speed Key
The average Marathon home can get up to 4,437 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 5,000 Mbps, which 49.05% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Marathon.
Fiber internet speeds tend to be faster in the south parts of Marathon, and slower in the southwest areas of the city.
Is fiber the fastest internet I can get in Marathon?
The fastest internet for you may vary based on where in Marathon you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 59.07% of Marathon homes.
- Cable is fastest for 39.45% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 1.20% of Marathon homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Marathon, along with details on where in Marathon and at what speeds.
EarthLink Fiber in Marathon, FL
EarthLink fiber coverage
About 49.97%, or 5,191 people, have EarthLink fiber internet available to them in the city. The company covers the central, southwest, south, northeast, east, and west Marathon area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Marathon.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Marathon. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout Marathon. The fastest plan anyone in Marathon can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Marathon customers is up to 4,926 Mbps.
Show all download speeds
- 98.2% up to 5,000.0 Mbps
- 1.8% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Marathon download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Marathon fiber providers. EarthLink offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Marathon is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,926 Mbps.
Show all upload speeds
- 98.2% up to 5,000.0 Mbps
- 1.8% up to 1,000.0 Mbps
AT&T Fiber in Marathon, FL
AT&T fiber coverage
About 49.97%, or 5,191 people, have AT&T fiber internet available to them in the city. The company covers the central, southwest, south, northeast, east, and west Marathon area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of Marathon.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Marathon. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout Marathon. The fastest plan anyone in Marathon can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Marathon customers is up to 4,926 Mbps.
Show all download speeds
- 98.2% up to 5,000.0 Mbps
- 1.8% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Marathon download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Marathon fiber providers. AT&T offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Marathon is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,926 Mbps.
Show all upload speeds
- 98.2% up to 5,000.0 Mbps
- 1.8% up to 1,000.0 Mbps
Hotwire Communications Fiber in Marathon, FL
Hotwire Communications fiber coverage
About 18.99%, or 1,973 people, have Hotwire Communications fiber internet available to them in the city. The company covers the southwest, central, east, and northeast Marathon area. Hotwire Communications is a large internet service provider internet service providers in the US, with internet service available in a small portion of Marathon.
Hotwire Communications fiber download speeds
Hotwire Communications is above average when comparing download speeds to all other internet providers in Marathon. Versus other fiber providers in the area, Hotwire Communications fiber is one of the slowest. There are no different maximum speeds throughout Marathon. The fastest plan anyone in Marathon can order from Hotwire Communications goes up to 2,000 Mbps, and all Marathon customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Hotwire Communications fiber upload speeds
In Marathon download speeds tend to be equal to than upload speeds for Hotwire Communications fiber. Compared to other ISPs, Hotwire Communications is above average where upload speeds are concerned, and below average compared to other Marathon fiber providers. Hotwire Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Marathon is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast Fiber in Marathon, FL
XFINITY fiber coverage
About 9.25%, or 961 people, have XFINITY fiber internet available to them in the city. The company covers the south and southwest Marathon area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Marathon.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Marathon. Versus other fiber providers in the area, XFINITY fiber is one of the slowest. There are no different maximum speeds throughout Marathon. The fastest plan anyone in Marathon can order from XFINITY goes up to 2,000 Mbps, and all Marathon customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Marathon download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the slowest compared to other Marathon fiber providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Marathon is up to 250 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 250.0 Mbps
Marathon Fiber by Area
This information is most helpful to those looking for homes or considering moving to Marathon or any of the areas nearby.
How does fiber internet in Marathon compare to the rest of Florida?
Fiber internet speeds in Marathon are much faster versus the average speeds in Florida: 0.00 Mbps in Florida versus 4,437 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Florida is 0.00% versus 59.99% in Marathon.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Marathon are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Key Colony Beach, FL: more fiber coverage, faster speeds
- Rock Harbor, FL: more fiber coverage, slower speeds
- Big Pine Key, FL: more fiber coverage, slower speeds
- Plantation Key, FL: more fiber coverage, faster speeds
- Summerland Key, FL: more fiber coverage, slower speeds
- Cudjoe Key, FL: more fiber coverage, slower speeds
- Islamorada, FL: more fiber coverage, faster speeds
- Sugarloaf Shores, FL: more fiber coverage, slower speeds
- Tavernier, FL: more fiber coverage, faster speeds
- Key West, FL: more fiber coverage, faster speeds
Cities with Similar Populations
- Vicksburg, MI: more fiber coverage, slower speeds
- Creedmoor, NC: less fiber coverage, slower speeds
- Crestline, CA: more fiber coverage, faster speeds
- Crestwood, IL: less fiber coverage, slower speeds
- Creswell, OR: more fiber coverage, slower speeds
- Cross Lanes, WV: less fiber coverage, faster speeds
- Tremonton, UT: more fiber coverage, faster speeds
- Tres Hermanos, PR: more fiber coverage, slower speeds
- Triangle, VA: more fiber coverage, slower speeds
- Tuttle, OK: more fiber coverage, slower speeds