In St. Marks there is 1 residential Cable provider covering 99.64% of the city. The average home can get speeds up to 1,200 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 Cable internet providers in St. Marks, FL.
To see availability maps for all providers including fiber, cable, DSL, and more in St. Marks, FL please click below.
St. Marks, FL Availability Maps
Cable Internet Service Provider in St. Marks
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 St. Marks are not shown.
St. Marks 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 St. Marks is cable internet available?

Cable Internet Availability Key
Cable is available in 99.64% of St. Marks. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in St. Marks above to see who has service at your home.
How fast is cable internet in St. Marks?
The map below shows maximum cable internet speeds by area in St. Marks.

Cable Internet Speed Key
The average St. Marks home can get up to 1,200 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,200 Mbps, which 99.64% of residents can get.
Is cable the fastest internet I can get in St. Marks?
The fastest internet for you may vary based on where in St. Marks you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for less than 1% of St. Marks homes.
- Cable is fastest for 99.64% 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 less than 1% of St. Marks homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in St. Marks, along with details on where in St. Marks and at what speeds.
XFINITY from Comcast Cable in St. Marks, FL

XFINITY cable coverage
About 99.64%, or 274 people, have XFINITY cable internet available to them in the city. The company covers the northwest, central, west, and north St. Marks area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Marks.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in St. Marks. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout St. Marks. The fastest plan anyone in St. Marks can order from XFINITY goes up to 1,200 Mbps, and all St. Marks customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In St. Marks download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other St. Marks cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Marks is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
St. Marks Cable by Area
This information is most helpful to those looking for homes or considering moving to St. Marks or any of the areas nearby.
How does cable internet in St. Marks compare to the rest of Florida?
Cable internet speeds in St. Marks are much faster versus the average speeds in Florida: 0.00 Mbps in Florida versus 1,200 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Florida is 0.00% versus 99.64% in St. Marks.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around St. Marks are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable 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
- Newport, FL: less cable coverage, similar speeds
- Shadeville, FL: less cable coverage, similar speeds
- Wakulla Beach, FL: more cable coverage, similar speeds
- Wakulla, FL: less cable coverage, faster speeds
- Crawfordville, FL: less cable coverage, faster speeds
- Medart, FL: less cable coverage, similar speeds
- Panacea Park, FL: less cable coverage, similar speeds
- Sopchoppy, FL: less cable coverage, slower speeds
- Hampton Springs, FL: less cable coverage, similar speeds
- Perry, FL: less cable coverage, similar speeds
Cities with Similar Populations
- Sandgate, VT: less cable coverage, similar speeds
- Maple View, NY: more cable coverage, slower speeds
- Marshalls Corner, MD: more cable coverage, similar speeds
- Marshville, ME: less cable coverage, slower speeds
- Mohicanville, OH: more cable coverage, slower speeds
- Opekiska, WV: less cable coverage, faster speeds
- Mamakating Park, NY: less cable coverage, slower speeds
- Sandwich, NH: less cable coverage, slower speeds
- Schubert, MO: less cable coverage, slower speeds
- Scott, GA: less cable coverage, faster speeds


