Best Internet Providers in Seabrook Island, SC
All 5 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Seabrook Island, SC
Seabrook Island has 5 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Seabrook Island.
Ranks compare Seabrook Island with the 15,682 US towns of 1,000 to 9,999 people, the tiers of our fastest-cities rankings.
The Best Internet in Seabrook Island, SC at a Glance
Seabrook Island Internet Providers, Ranked by Coverage, Speed and Customer Ratings
XFINITY
Connection
Customer Rating
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
T-Mobile Home Internet
Connection
Customer Rating
Fixed Wireless
Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Seabrook Island ratings may vary and are shown below.
Who is the Best Internet Provider in Seabrook Island, SC?
EarthLink is the highest-rated internet provider in Seabrook Island based on 51 South Carolina customer reviews, and T-Mobile Home Internet has the highest rating nationwide. The provider information above and the information immediately below can help you decide. Compare provider ratings and review counts above.
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Which Providers are Available at my Home in Seabrook Island?
Coverage changes block by block. Pick a provider and a technology to see where its service reaches: the darker the area, the larger the share of homes it covers. For your exact address, use the address search above.
Coverage map for each provider in Seabrook Island
How Seabrook Island Compares to Places Its Size
Seabrook Island's report card score is in the bottom 21% and its connectivity index is in the top 9%.
| Measure | Seabrook Island | Rank among US towns of 1,000 to 9,999 people | Charleston County | South Carolina | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 19.3% | bottom 20% | 64.4% | 75.7% | 71.5% | 1,056 places at 100.0% |
| Average top speed | 1,195 Mbps | bottom 43% | 3,470 Mbps | 3,370 Mbps | 3,486 Mbps | Collegedale, TN and Lakesite, TN and 2 more (25,000 Mbps) |
| Providers at a typical address | 4.7 | bottom 32% | 7.8 | 6.9 | 7.1 | McLendon-Chisholm, TX (14.2) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 1.8 | bottom 1% | 2.4 | 2.5 | 2.7 | St. George, GA (6.2) |
| Workers who work from home | 47% | top 1% | 18% | 12% | 15% | Indian Springs, NV (76%) |
| Homes with a computer, tablet or phone | 100% | top 1% | 97% | 95% | 96% | Tied with 514 other places at 100% |
| Homes with internet | 99% | top 1% | 90% | 89% | 91% | 115 places at 100% |
| Homes on fiber, cable or DSL | 91% | top 2% | 76% | 73% | 76% | Bunkerville, NV and Fort Myer, VA and 3 more (100%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 93% | top 4% | 82% | 77% | 81% | 12 places at 100% |
| Median household income | $137,250 | top 6% | $100,111 | $77,367 | $93,246 | 16 places at $250,001 |
| Residents in school (6th grade to college) | 1% | bottom 1% | 14% | 15% | 16% | University Park, PA (95%) |
Fiber reaches 19.3% of homes in Seabrook Island, against 64.4% across Charleston County and 75.7% across South Carolina. Households in Seabrook Island are smaller than the US average (1.8 people against 2.7); 47% of workers work from home (US 15%); and the median household income is $137,250 (US $93,246).
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Fiber, 5G, Cable and DSL Internet in Seabrook Island
Which Fiber Internet Providers are Available in Seabrook Island?
EarthLink Fiber in Seabrook Island, SC
Availability:
19.3%
Customer Rating:
(6)
Avg. Download Speed
1,000 Mbps
EarthLink offers Fiber service to 19.3% of Seabrook Island homes. Across the city, EarthLink Fiber has speeds up to 1,000 Mbps
AT&T Fiber in Seabrook Island, SC
Availability:
19.3%
Customer Rating:
(542)
Avg. Download Speed
1,000 Mbps
AT&T offers Fiber service to 19.3% of Seabrook Island homes. Across the city, AT&T Fiber has speeds up to 1,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Seabrook Island?
T-Mobile Home Internet Fixed Wireless in Seabrook Island, SC
Availability:
99.7%
Customer Rating:
(342)
Avg. Download Speed
89 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 99.7% of Seabrook Island homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 89 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 17 Mbps throughout the city.
EarthLink Fixed Wireless in Seabrook Island, SC
Availability:
27.6%
Customer Rating:
(4)
Avg. Download Speed
25 Mbps
EarthLink offers Fixed Wireless service to 27.6% of Seabrook Island homes. Across the city, EarthLink Fixed Wireless has speeds up to 25 Mbps
AT&T Fixed Wireless in Seabrook Island, SC
Availability:
27.6%
Customer Rating:
(205)
Avg. Download Speed
25 Mbps
AT&T offers Fixed Wireless service to 27.6% of Seabrook Island homes. Across the city, AT&T Fixed Wireless has speeds up to 25 Mbps
Verizon Fixed Wireless in Seabrook Island, SC
Availability:
1.1%
Customer Rating:
(362)
Avg. Download Speed
300 Mbps
Verizon offers Fixed Wireless service to 1.1% of Seabrook Island homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Which Cable Internet Providers are Available in Seabrook Island?
XFINITY Cable in Seabrook Island, SC
Availability:
99.6%
Customer Rating:
(2077)
Avg. Download Speed
1,200 Mbps
XFINITY from Comcast offers Cable service to 99.6% of Seabrook Island homes. Across the city, XFINITY Cable is the only type of service available from the company, with speeds up to 1,200 Mbps
Which DSL Internet Providers are Available in Seabrook Island?
EarthLink DSL in Seabrook Island, SC
Availability:
86.0%
Customer Rating:
(5)
Avg. Download Speed
65 Mbps
EarthLink offers DSL service to 86.0% of Seabrook Island homes. Across the city, EarthLink DSL has speeds up to 65 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 13 Mbps throughout the city. EarthLink DSL is rated higher than other types of internet service available in Seabrook Island from EarthLink in terms of customer satisfaction.
AT&T DSL in Seabrook Island, SC
Availability:
86.0%
Customer Rating:
(304)
Avg. Download Speed
65 Mbps
AT&T offers DSL service to 86.0% of Seabrook Island homes. Across the city, AT&T DSL has speeds up to 65 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 13 Mbps throughout the city. AT&T DSL is rated about the same as other types of internet service available in Seabrook Island from AT&T in terms of customer satisfaction.
Internet in Seabrook Island by Neighborhood and ZIP Code
Each row links to that place’s page.
Neighborhoods in Seabrook Island
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Seabrook Island
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
How Seabrook Island Compares to Nearby Places
The 10 places nearest to Seabrook Island that have their own pages are all within 11 miles. Among them, Meggett has the most homes with fiber (99.3%) and Edisto Beach the fewest (31.2%); Seabrook Island has 19.3%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Seabrook Island (this page) | 2,192 | 19.3% | 1,195 Mbps | 4.7 | C- | 79/100 |
| Hollywood | 5,437 | 70.3% | 1,929 Mbps | 4.8 | C+ | 37/100 |
| Wadmalaw Island | 2,615 | 67.0% | 3,734 Mbps | 5.4 | B- | 67/100 |
| Kiawah Island | 2,013 | 48.8% | 2,504 Mbps | 7.4 | B- | 78/100 |
| Meggett | 1,585 | 99.3% | 1,656 Mbps | 4.7 | B- | 27/100 |
| Edisto Island | 1,534 | 84.7% | 3,465 Mbps | 5.9 | B | 30/100 |
| Edisto Beach | 1,033 | 31.2% | 2,680 Mbps | 7.5 | B- | 69/100 |
| Freedman | 556 | 86.0% | 2,456 Mbps | 7.5 | B+ | 34/100 |
| Legareville | 431 | 3.2% | 1,226 Mbps | 6 | C | 64/100 |
| Yonges Island | 153 | 100.0% | 4,752 Mbps | 7.7 | A | 78/100 |
| Rockville | 141 | 0.0% | 1,200 Mbps | 4 | D | 82/100 |
Who is the Fastest Internet Provider in Seabrook Island?
According to unbiased feedback from real internet customers, they reported being happiest with speeds provided by T-Mobile Home Internet. On the other hand, based on data provided by the internet providers to the FCC, XFINITY from Comcast should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in Seabrook Island
| XFINITY from Comcast | 1,200 |
|---|---|
| AT&T | 1,000 |
| EarthLink | 1,000 |
| Verizon | 300 |
| T-Mobile Home Internet | 100 |
| Viasat | 100 |
| HughesNet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Seabrook Island. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Seabrook Island Internet Providers
Based on 51 reviews from South Carolina internet customers, EarthLink is the best internet service provider for Seabrook Island residents. EarthLink was rated at an average of 5.00 out of 5 in our report for overall customer satisfaction. T-Mobile Home Internet wins for second-place in South Carolina, with 4.20 out of 5 stars and 99.7% coverage in Seabrook Island.
At a national level, based on 4603 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.02 out of 5.
Local, State, and National Ratings for all Seabrook Island Internet Providers
The table below shows average customer ratings from customers in Seabrook Island, South Carolina, and customers throughout the country.
| ISP / Tech Type | Seabrook Island Overall | South Carolina Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| Verizon |  (0) |  (11) | (816) | View Plans | ||
| T-Mobile Home Internet | (0) | (5) | (342) | View Plans | ||
| EarthLink | (0) |  (1) | (15) | View Plans | ||
| XFINITY | (0) | (12) | (2379) | View Plans | ||
| AT&T | (0) | (22) | (1051) | View Plans | ||
| HughesNet | (0) | (0) |  (25) | View Plans | ||
| Viasat | (0) | (0) |  (12) | View Plans |
Customer Ratings for Internet Provider Speeds in Seabrook Island
Based on data reported by Seabrook Island ISPs to the FCC, the fastest speeds in the city are available through XFINITY from Comcast. The company offers speeds up to 1,200 Mbps in Seabrook Island. Therefore, the average customer can get up to 1,200 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
However, actual customers rated their satisfaction with internet speed highest with T-Mobile Home Internet. This indicates T-Mobile Home Internet reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | Seabrook Island Speed | South Carolina Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (5) | (342) | View Plans | ||
| Verizon | (0) | (11) | (816) | View Plans | ||
| EarthLink | (0) | (1) | (15) | View Plans | ||
| XFINITY | (0) | (12) | (2379) | View Plans | ||
| AT&T | (0) | (22) | (1051) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans | ||
| Viasat | (0) | (0) | (12) | View Plans |
Who is the Cheapest Internet Provider in Seabrook Island?
Of the providers in Seabrook Island, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Seabrook Island where enough of them have reviewed a provider, otherwise across South Carolina or the country. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
T-Mobile Home Internet is rated 4.00 out of 5 for price, which is higher than the average across all internet providers in the country. EarthLink is rated second for affordability, with an average price rating of 4.00 out of 5.
The table below shows how customers in Seabrook Island, South Carolina, and the United States rated the affordability of their internet service.
Rated Affordability in Seabrook Island
| ISP / Tech Type | Seabrook Island Affordability | South Carolina Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (5) | (342) | View Plans | ||
| Verizon | (0) | (11) | (816) | View Plans | ||
| EarthLink | (0) | (1) | (15) | View Plans | ||
| XFINITY | (0) | (12) | (2379) | View Plans | ||
| AT&T | (0) | (22) | (1051) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans | ||
| Viasat | (0) | (0) | (12) | View Plans |
Customer Reviews for Internet Service Providers in South Carolina
Customer Reviews
Greg M.
CarolinaConnect Fiber
November 13, 2026 Rudest supervisor is Christy. We were told we had to use our previous equipment at our new address in the same zip code but only a soft start was needed because the previous owners of that residence, but Customer service and Christy said no. Said we must talk with Tech support. They said no. So, we'd have to schedule a date and wait hours for someone to show. Meanwhile I work from home and need the Internet to work. Christy then says IT can do it tomorrow at 8AM, but I have a 9 AM meeting I must make. She won't give us IT's number to arrange a better time, so we say we will have to look at other options. She then calls back wanting to cancel our current service now. Can you believe how rude and petty this woman is. We can't have another appointment for a soft start or new equipment installed at the new residence, so I can at least continue working in the meantime. If you treat all your customers this way. You deserve no customers.
ISPReports User
CarolinaConnect Fiber
August 14, 2026 not as good as 1 year ago. Has slowed down a bunch. Thinking about changing service
William
Comporium Cable
July 25, 2026 It goes out often. The router typically has to be reset multiple times and there are no other options available.
ISPReports User
Ripple Fiber
July 22, 2026 Several outages lately. It was down today but it is running slow. I put in a ticket and the speed of the response will determine wether I go back to Spectrum or not.
Lataysia R.
XFINITY Cable
June 12, 2026 The price of my family’s internet connection is really cheap. It is around $20 per month and we have been with this provider for at least 10 years. However, there has been a decline in the presence of this company and they appear to be losing lots of customers. There is always some WiFi connection issue almost everyday, but it is minor. My phone may lose connection but my MacBook, iPad, and TV is still connected. Overall, for the price and in comparison to other WiFi providers, I am overall satisfied with my internet.
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Which ISP Should You Choose in Seabrook Island?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Seabrook Island is EarthLink.
- The fastest internet provider should be XFINITY from Comcast. Considering speed for the money and reliability in speeds, T-Mobile Home Internet may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Seabrook Island is T-Mobile Home Internet.
- Viasat, T-Mobile Home Internet, and HughesNet has the broadest coverage in Seabrook Island, available to 99.7% of homes, and is most likely to cover your home. To find out exactly what’s available at your home, please use our address search tool.