In Seabrook Island there are 2 residential Fiber providers covering 19.34% of the city. The average home can get speeds up to 1,000 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 Seabrook Island, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Seabrook Island, SC please click below.
Seabrook Island, SC Availability Maps
Fiber Internet Service Providers in Seabrook 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 Seabrook Island are not shown.
Seabrook 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
Where in Seabrook Island is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 19.34% of Seabrook Island. 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 Seabrook Island above to see who has service at your home.
How fast is fiber internet in Seabrook Island?
The map below shows maximum fiber internet speeds by area in Seabrook Island.
Fiber Internet Speed Key
The average Seabrook Island home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 1,000 Mbps, which 19.34% of residents can get.
Is fiber the fastest internet I can get in Seabrook Island?
The fastest internet for you may vary based on where in Seabrook Island you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for less than 1% of Seabrook Island homes.
- Cable is fastest for 99.59% 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 Seabrook Island homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Seabrook Island, along with details on where in Seabrook Island and at what speeds.
EarthLink Fiber in Seabrook Island, SC
EarthLink fiber coverage
About 19.34%, or 424 people, have EarthLink fiber internet available to them in the city. The company covers the southwest and northeast Seabrook Island area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Seabrook Island.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Seabrook Island. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are no different maximum speeds throughout Seabrook Island. The fastest plan anyone in Seabrook Island can order from EarthLink goes up to 1,000 Mbps, and all Seabrook Island customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Seabrook Island 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 Seabrook Island fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seabrook Island is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
AT&T Fiber in Seabrook Island, SC
AT&T fiber coverage
About 19.34%, or 424 people, have AT&T fiber internet available to them in the city. The company covers the southwest and northeast Seabrook Island area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Seabrook Island.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Seabrook Island. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are no different maximum speeds throughout Seabrook Island. The fastest plan anyone in Seabrook Island can order from AT&T goes up to 1,000 Mbps, and all Seabrook Island customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Seabrook Island 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 Seabrook Island fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seabrook Island is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Seabrook Island Fiber by Area
This information is most helpful to those looking for homes or considering moving to Seabrook Island or any of the areas nearby.
How does fiber internet in Seabrook Island compare to the rest of South Carolina?
Fiber internet speeds in Seabrook Island are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 1,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in South Carolina is 0.00% versus 19.34% in Seabrook Island.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Seabrook Island 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
- Wadmalaw Island, SC: more fiber coverage, faster speeds
- Kiawah Island, SC: more fiber coverage, faster speeds
- Legareville, SC: less fiber coverage, faster speeds
- Yonges Island, SC: more fiber coverage, faster speeds
- Edisto Island, SC: more fiber coverage, faster speeds
- Freedman, SC: more fiber coverage, faster speeds
- Edisto Beach, SC: more fiber coverage, faster speeds
- Rantowles, SC: more fiber coverage, similar speeds
- Folly Beach, SC: less fiber coverage, faster speeds
- Green Pond, SC: more fiber coverage, similar speeds
Cities with Similar Populations
- Beaver Dams, NY: less fiber coverage, faster speeds
- Belington, WV: less fiber coverage, faster speeds
- Belleville, KS: more fiber coverage, faster speeds
- Benton, MO: more fiber coverage, similar speeds
- Branchville, SC: more fiber coverage, similar speeds
- Bruceton, TN: more fiber coverage, faster speeds
- Cairo Bend, TN: more fiber coverage, faster speeds
- Caney, KS: less fiber coverage, slower speeds
- Champlain, NY: more fiber coverage, slower speeds
- Chapman, KS: less fiber coverage, faster speeds