In Port Royal there are 2 residential Cable providers covering 63.88% of the city. The average home can get speeds up to 1,302 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 Port Royal, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Port Royal, SC please click below.
Port Royal, SC Availability Maps
Cable Internet Service Providers in Port Royal
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 Port Royal are not shown.
Port Royal 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 Port Royal is cable internet available?
Cable Internet Availability Key
Cable is available in 63.88% of Port Royal. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Cable One. Call one of the companies with service in Port Royal above to see who has service at your home.
How fast is cable internet in Port Royal?
The map below shows maximum cable internet speeds by area in Port Royal.
Cable Internet Speed Key
The average Port Royal home can get up to 1,302 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 18.41% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 40.98% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Port Royal.
Cable internet speeds tend to be faster in the west parts of Port Royal, and slower in the southwest areas of the city.
Is cable the fastest internet I can get in Port Royal?
The fastest internet for you may vary based on where in Port Royal you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 55.44% of Port Royal homes.
- Cable is fastest for 8.70% 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 35.80% of Port Royal homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Port Royal, along with details on where in Port Royal and at what speeds.
Sparklight Cable in Port Royal, SC
Sparklight cable coverage
About 63.88%, or 9,389 people, have Sparklight cable internet available to them in the city. The company covers the entire Port Royal area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Port Royal.
Sparklight cable download speeds
Sparklight is below average when comparing download speeds to all other internet providers in Port Royal. Versus other cable providers in the area, Sparklight cable is the slowest. There are no different maximum speeds throughout Port Royal. The fastest plan anyone in Port Royal can order from Sparklight goes up to 1,000 Mbps, and all Port Royal customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sparklight cable upload speeds
In Port Royal download speeds tend to be faster than than upload speeds for Sparklight cable. Compared to other ISPs, Sparklight is below average where upload speeds are concerned, and the slowest compared to other Port Royal cable providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Royal is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
XFINITY from Comcast Cable in Port Royal, SC
XFINITY cable coverage
About 22.90%, or 3,366 people, have XFINITY cable internet available to them in the city. The company covers the northwest, east, west, northeast, central, and north Port Royal area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Port Royal.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Port Royal. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Port Royal. The fastest plan anyone in Port Royal 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 Port Royal customers is up to 1,843 Mbps.
Show all download speeds
- 80.4% up to 2,000.0 Mbps
- 19.6% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Port Royal 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 Port Royal 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 Port Royal 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 208 Mbps.
Show all upload speeds
- 80.4% up to 250.0 Mbps
- 19.6% up to 35.0 Mbps
Port Royal Cable by Area
This information is most helpful to those looking for homes or considering moving to Port Royal or any of the areas nearby.
How does cable internet in Port Royal compare to the rest of South Carolina?
Cable internet speeds in Port Royal are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 1,302 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in South Carolina is 0.00% versus 63.88% in Port Royal.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Port Royal 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
- Burton, SC: more cable coverage, slower speeds
- Beaufort, SC: more cable coverage, slower speeds
- Parris Island, SC: more cable coverage, slower speeds
- Ladys Island, SC: more cable coverage, slower speeds
- Laurel Bay, SC: more cable coverage, faster speeds
- St. Helena Island, SC: more cable coverage, slower speeds
- Nevadun, SC: more cable coverage, slower speeds
- Lands End, SC: more cable coverage, slower speeds
- Hilton Head Island, SC: more cable coverage, slower speeds
- Brighton Beach, SC: more cable coverage, slower speeds
Cities with Similar Populations
- Sun Lakes, AZ: more cable coverage, slower speeds
- Ellwood City, PA: more cable coverage, slower speeds
- Escanaba, MI: more cable coverage, slower speeds
- Eunice, LA: more cable coverage, slower speeds
- Fort Drum, NY: less cable coverage, slower speeds
- Glen Carbon, IL: more cable coverage, slower speeds
- Glenpool, OK: more cable coverage, faster speeds
- Glenview Nas, IL: more cable coverage, faster speeds
- Goffstown, NH: more cable coverage, faster speeds
- Spring Branch, TX: less cable coverage, slower speeds