In St. Marks there are 5 residential internet providers covering 100.00% of the city. The average home can get speeds up to 1,203 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.
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5 Internet Service Providers 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
Availability maps for all providers in St. Marks
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 100.00% of St. Marks. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is XFINITY. Now you can call companies in St. Marks with more confidence that they might be available.
How fast are internet speeds in St. Marks?
The map below shows maximum internet speeds by area in St. Marks.

Internet Speed Key
The average St. Marks home can get up to 1,203 Mbps on their internet plan. For most people, the fastest download speed in the city is 2,000 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 99.64% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in St. Marks.
Internet speeds tend to be faster in the southeast parts of St. Marks, and slower in the northwest areas of the city.
What type of internet should I choose in St. Marks?
The fastest internet for you may vary based on where in St. Marks you live. If speed is your main concern, cable will be the fastest internet 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.
Internet Market Health in St. Marks

Internet Competition Key
The map shows how competitive the St. Marks internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in St. Marks based on what connections the average home has availabile:
- Average number of internet service providers to a home: 2.9 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.9 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 2.8 (unhealthy)
Overall, competition is unhealthy.
St. Marks internet customers have the ability to buy internet service from 2 to 3 different providers, depending on where they live. For different types of service, St. Marks homes have between 2 and 3 options. The type(s) of service available are dsl, cable, fixed wireless, and fiber, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. St. Marks internet customers who want faster speeds have between 2 and 3 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, St. Marks needs improvement.
TV & Internet 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
Centurylink DSL in St. Marks, FL

Centurylink DSL coverage
About 99.64%, or 274 people, have Centurylink DSL internet available to them in the city. The company covers the northwest, central, west, and north St. Marks area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Marks.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in St. Marks. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 5 different maximum speeds throughout St. Marks. The fastest plan anyone in St. Marks can order from Centurylink goes up to 140 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for St. Marks customers is up to 78 Mbps.
Show all download speeds
- 2.2% up to 140.0 Mbps
- 57.7% up to 100.0 Mbps
- 9.9% up to 80.0 Mbps
- 20.1% up to 40.0 Mbps
- 10.2% up to 10.0 Mbps
Centurylink DSL upload speeds
In St. Marks download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the slowest where upload speeds are concerned, and the fastest compared to other St. Marks DSL providers. Centurylink offers 4 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 St. Marks is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 7.9 Mbps.
Show all upload speeds
- 2.2% up to 20.0 Mbps
- 67.5% up to 10.0 Mbps
- 20.1% up to 3.0 Mbps
- 10.2% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in St. Marks, FL

T-Mobile Home Internet fixed wireless coverage
About 94.55%, or 260 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire St. Marks area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Marks.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in St. Marks. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are no different maximum speeds throughout St. Marks. The fastest plan anyone in St. Marks can order from T-Mobile Home Internet goes up to 100 Mbps, and all St. Marks customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In St. Marks download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and the fastest compared to other St. Marks fixed wireless providers. T-Mobile Home Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Marks is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
St. Marks Internet 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 internet in St. Marks compare to the rest of Florida?
Internet speeds in St. Marks are much slower versus the average speeds in Florida: 4,092 Mbps in Florida versus 1,203 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Florida is 99.08% versus 100.00% in St. Marks.
What zip codes have widespread internet?
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 internet service 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 internet coverage, slower speeds
- Shadeville, FL: less internet coverage, slower speeds
- Wakulla Beach, FL: equal internet coverage, slower speeds
- Wakulla, FL: less internet coverage, faster speeds
- Crawfordville, FL: less internet coverage, faster speeds
- Medart, FL: equal internet coverage, slower speeds
- Panacea Park, FL: equal internet coverage, faster speeds
- Nash, FL: less internet coverage, faster speeds
- Sopchoppy, FL: less internet coverage, slower speeds
- Curtis Mill, FL: less internet coverage, slower speeds
Cities with Similar Populations
- Sandgate, VT: equal internet coverage, faster speeds
- Manse, KY: less internet coverage, slower speeds
- Maple View, NY: equal internet coverage, slower speeds
- Mark, IA: equal internet coverage, slower speeds
- Marlboro, SC: equal internet coverage, slower speeds
- Marshalls Corner, MD: equal internet coverage, faster speeds
- Marshville, ME: equal internet coverage, slower speeds
- Millbrook, WV: equal internet coverage, faster speeds
- Mohicanville, OH: equal internet coverage, slower speeds
- Opekiska, WV: equal internet coverage, faster speeds


