In Johns Island there are 8 residential internet providers covering 99.52% of the city. The average home can get speeds up to 3,396 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.
Jump to Availability Maps
8 Internet Service Providers in Johns Island
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 Johns Island are not shown.
Johns Island 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 Johns Island
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.
Please note some providers will take longer to load than others

Internet service is available in 99.52% of Johns Island. 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 AT&T. Now you can call companies in Johns Island with more confidence that they might be available.
How fast are internet speeds in Johns Island?
The map below shows maximum internet speeds by area in Johns Island.

Internet Speed Key
The average Johns Island home can get up to 3,396 Mbps on their internet plan. For most people, the fastest download speed in the city is 5,000 Mbps, which 57.33% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in Johns Island.
Internet speeds tend to be faster in the northeast parts of Johns Island, and slower in the southwest areas of the city.
What type of internet should I choose in Johns Island?
The fastest internet for you may vary based on where in Johns Island you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 61.97% of Johns Island homes.
- Cable is fastest for 37.11% 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 Johns Island homes.
Internet Market Health in Johns Island

Internet Competition Key
The map shows how competitive the Johns Island 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 Johns Island based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.3 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.4 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.2 (very healthy)
Overall, competition is very healthy.
Johns Island internet customers have the ability to buy internet service from 1 to 10 different providers, depending on where they live. For different types of service, Johns Island homes have between 1 and 4 options. The type(s) of service available are cable, fixed wireless, dsl, 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. Johns Island internet customers who want faster speeds have between 0 and 10 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, Johns Island is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Johns Island, along with details on where in Johns Island and at what speeds.
XFINITY from Comcast Cable in Johns Island, SC

XFINITY cable coverage
About 96.58%, or 21,560 people, have XFINITY cable internet available to them in the city. The company covers the entire Johns Island area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Johns Island.
XFINITY from Comcast cable download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Johns Island. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Johns Island. The fastest plan anyone in Johns Island can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for Johns Island customers is up to 1,269 Mbps.
Show all download speeds
- 8.6% up to 2,000.0 Mbps
- 91.4% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Johns Island 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 Johns Island cable providers. XFINITY 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 Johns Island is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 54 Mbps.
Show all upload speeds
- 8.6% up to 250.0 Mbps
- 91.4% up to 35.0 Mbps
AT&T DSL in Johns Island, SC

AT&T DSL coverage
About 85.36%, or 19,054 people, have AT&T DSL internet available to them in the city. The company covers the entire Johns Island area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Johns Island.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Johns Island. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Johns Island. The fastest plan anyone in Johns Island can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Johns Island customers is up to 74 Mbps.
Show all download speeds
- 52.6% up to 100.0 Mbps
- 7.9% up to 75.0 Mbps
- 25.7% up to 50.0 Mbps
- 7.7% up to 25.0 Mbps
- 6.2% up to 10.0 Mbps
AT&T DSL upload speeds
In Johns Island download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the fastest compared to other Johns Island DSL providers. AT&T 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 Johns Island is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 15 Mbps.
Show all upload speeds
- 60.5% up to 20.0 Mbps
- 25.7% up to 10.0 Mbps
- 7.7% up to 5.0 Mbps
- 6.2% up to 1.0 Mbps
EarthLink DSL in Johns Island, SC

EarthLink DSL coverage
About 85.36%, or 19,054 people, have EarthLink DSL internet available to them in the city. The company covers the entire Johns Island area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Johns Island.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Johns Island. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Johns Island. The fastest plan anyone in Johns Island can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Johns Island customers is up to 74 Mbps.
Show all download speeds
- 52.6% up to 100.0 Mbps
- 7.9% up to 75.0 Mbps
- 25.7% up to 50.0 Mbps
- 7.7% up to 25.0 Mbps
- 6.2% up to 10.0 Mbps
EarthLink DSL upload speeds
In Johns Island download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the fastest compared to other Johns Island DSL providers. EarthLink 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 Johns Island is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 15 Mbps.
Show all upload speeds
- 60.5% up to 20.0 Mbps
- 25.7% up to 10.0 Mbps
- 7.7% up to 5.0 Mbps
- 6.2% up to 1.0 Mbps
EarthLink Fiber in Johns Island, SC

EarthLink fiber coverage
About 61.69%, or 13,771 people, have EarthLink fiber internet available to them in the city. The company covers the entire Johns Island area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Johns Island.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Johns Island. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout Johns Island. The fastest plan anyone in Johns Island 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 Johns Island customers is up to 4,656 Mbps.
Show all download speeds
- 91.4% up to 5,000.0 Mbps
- 8.6% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Johns Island download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other Johns Island 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 Johns Island 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 4,656 Mbps.
Show all upload speeds
- 91.4% up to 5,000.0 Mbps
- 8.6% up to 1,000.0 Mbps
AT&T Fiber in Johns Island, SC

AT&T fiber coverage
About 61.69%, or 13,771 people, have AT&T fiber internet available to them in the city. The company covers the entire Johns Island area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Johns Island.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Johns Island. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout Johns Island. The fastest plan anyone in Johns Island 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 Johns Island customers is up to 4,656 Mbps.
Show all download speeds
- 91.4% up to 5,000.0 Mbps
- 8.6% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Johns Island download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other Johns Island 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 Johns Island 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 4,656 Mbps.
Show all upload speeds
- 91.4% up to 5,000.0 Mbps
- 8.6% up to 1,000.0 Mbps
Home Telecom Fiber in Johns Island, SC

Home Telecom fiber coverage
About 6.61%, or 1,476 people, have Home Telecom fiber internet available to them in the city. The company covers the northeast, east, northwest, central, south, and west Johns Island area. Home Telecom is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Johns Island.
Home Telecom fiber download speeds
Home Telecom is the fastest when comparing download speeds to all other internet providers in Johns Island. Versus other fiber providers in the area, Home Telecom fiber is the fastest. There are no different maximum speeds throughout Johns Island. The fastest plan anyone in Johns Island can order from Home Telecom goes up to 5,000 Mbps, and all Johns Island customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Home Telecom fiber upload speeds
In Johns Island download speeds tend to be equal to than upload speeds for Home Telecom fiber. Compared to other ISPs, Home Telecom is the fastest where upload speeds are concerned, and the fastest compared to other Johns Island fiber providers. Home Telecom offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Johns Island is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
XFINITY from Comcast Fiber in Johns Island, SC

XFINITY fiber coverage
About 6.10%, or 1,361 people, have XFINITY fiber internet available to them in the city. The company covers the east, southwest, central, southeast, and south Johns Island 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 Johns Island.
XFINITY from Comcast fiber download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Johns Island. Versus other fiber providers in the area, XFINITY fiber is the slowest. There are 2 different maximum speeds throughout Johns Island. The fastest plan anyone in Johns Island can order from XFINITY goes up to 1,200 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Johns Island customers is up to 1,181 Mbps.
Show all download speeds
- 90.4% up to 1,200.0 Mbps
- 9.6% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Johns Island 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 Johns Island fiber providers. XFINITY 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 Johns Island is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 143 Mbps.
Show all upload speeds
- 11.2% up to 1,000.0 Mbps
- 88.8% up to 35.0 Mbps
T-Mobile Home Internet Fixed Wireless in Johns Island, SC

T-Mobile Home Internet fixed wireless coverage
About 90.45%, or 20,191 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Johns Island 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 Johns Island.
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 Johns Island. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Johns Island. The fastest plan anyone in Johns Island can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Johns Island customers is up to 64 Mbps.
Show all download speeds
- 51.8% up to 100.0 Mbps
- 48.2% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Johns Island 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 above average compared to other Johns Island fixed wireless providers. T-Mobile Home Internet 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 Johns Island is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 12 Mbps.
Show all upload speeds
- 51.8% up to 20.0 Mbps
- 48.2% up to 3.0 Mbps
Verizon Fixed Wireless in Johns Island, SC

Verizon fixed wireless coverage
About 51.30%, or 11,452 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Johns Island area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Johns Island.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Johns Island. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Johns Island. The fastest plan anyone in Johns Island can order from Verizon goes up to 300 Mbps, and all Johns Island customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Johns Island download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other Johns Island fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Johns Island is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in Johns Island, SC

EarthLink fixed wireless coverage
About 39.87%, or 8,901 people, have EarthLink fixed wireless internet available to them in the city. The company covers the east, northeast, southeast, south, southwest, northwest, central, and north Johns Island area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Johns Island.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Johns Island. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 3 different maximum speeds throughout Johns Island. The fastest plan anyone in Johns Island can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Johns Island customers is up to 26 Mbps.
Show all download speeds
- 1.7% up to 100.0 Mbps
- 98.1% up to 25.0 Mbps
- 0.2% up to 10.0 Mbps
EarthLink fixed wireless upload speeds
In Johns Island download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Johns Island fixed wireless providers. EarthLink offers 3 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 Johns Island is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 3.3 Mbps.
Show all upload speeds
- 1.7% up to 20.0 Mbps
- 98.1% up to 3.0 Mbps
- 0.2% up to 1.0 Mbps
AT&T Fixed Wireless in Johns Island, SC

AT&T fixed wireless coverage
About 39.87%, or 8,901 people, have AT&T fixed wireless internet available to them in the city. The company covers the east, northeast, southeast, south, southwest, northwest, central, and north Johns Island area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of Johns Island.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Johns Island. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 3 different maximum speeds throughout Johns Island. The fastest plan anyone in Johns Island can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Johns Island customers is up to 26 Mbps.
Show all download speeds
- 1.7% up to 100.0 Mbps
- 98.1% up to 25.0 Mbps
- 0.2% up to 10.0 Mbps
AT&T fixed wireless upload speeds
In Johns Island download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Johns Island fixed wireless providers. AT&T offers 3 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 Johns Island is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 3.3 Mbps.
Show all upload speeds
- 1.7% up to 20.0 Mbps
- 98.1% up to 3.0 Mbps
- 0.2% up to 1.0 Mbps
Johns Island Internet by Area
This information is most helpful to those looking for homes or considering moving to Johns Island or any of the areas nearby.
How does internet in Johns Island compare to the rest of South Carolina?
Internet speeds in Johns Island are faster versus the average speeds in South Carolina: 3,075 Mbps in South Carolina versus 3,396 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in South Carolina is 98.34% versus 99.52% in Johns Island.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Johns Island 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
- Fenwick Hills, SC: more internet coverage, faster speeds
- Legareville, SC: more internet coverage, slower speeds
- Charleston, SC: less internet coverage, faster speeds
- Red Top, SC: more internet coverage, slower speeds
- Wadmalaw Island, SC: less internet coverage, faster speeds
- Kiawah Island, SC: more internet coverage, slower speeds
- Yonges Island, SC: more internet coverage, faster speeds
- Folly Beach, SC: more internet coverage, slower speeds
- Ravenel, SC: less internet coverage, slower speeds
- Hollywood, SC: less internet coverage, slower speeds
Cities with Similar Populations
- Corinth, TX: more internet coverage, faster speeds
- Elmwood Park, NJ: more internet coverage, faster speeds
- Ellijay, GA: less internet coverage, slower speeds
- Elkridge, MD: more internet coverage, slower speeds
- Easton, MD: more internet coverage, slower speeds
- Dyer, IN: more internet coverage, faster speeds
- DeFuniak Springs, FL: more internet coverage, slower speeds
- Deerfield, IL: more internet coverage, slower speeds
- Davidson, NC: less internet coverage, slower speeds
- Darlington, SC: more internet coverage, slower speeds


