In Sebastian there are 7 residential internet providers covering 99.89% of the city. The average home can get speeds up to 2,830 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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7 Internet Service Providers in Sebastian
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 Sebastian are not shown.
Sebastian 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 Sebastian
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 99.89% of Sebastian. 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 Sebastian with more confidence that they might be available.
How fast are internet speeds in Sebastian?
The map below shows maximum internet speeds by area in Sebastian.
Internet Speed Key
The average Sebastian home can get up to 2,830 Mbps on their internet plan. For most people, the fastest download speed in the city is 5,000 Mbps, which 35.99% 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 25 Mbps. See the internet provider details below for info about their speed and coverage in Sebastian.
Internet speeds tend to be faster in the central parts of Sebastian, and slower in the northwest areas of the city.
What type of internet should I choose in Sebastian?
The fastest internet for you may vary based on where in Sebastian you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for 38.77% of Sebastian homes.
- Cable is fastest for 60.95% 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 Sebastian homes.
Internet Market Health in Sebastian
Internet Competition Key
The map shows how competitive the Sebastian 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 Sebastian based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.1 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.3 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.0 (very healthy)
Overall, competition is very healthy.
Sebastian 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, Sebastian homes have between 1 and 4 options. The type(s) of service available are cable, dsl, 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. Sebastian internet customers who want faster speeds have between 1 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, Sebastian is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Sebastian, along with details on where in Sebastian and at what speeds.
XFINITY from Comcast Cable in Sebastian, FL
XFINITY cable coverage
About 98.15%, or 26,767 people, have XFINITY cable internet available to them in the city. The company covers the entire Sebastian area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sebastian.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Sebastian. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Sebastian. The fastest plan anyone in Sebastian 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 Sebastian customers is up to 1,638 Mbps.
Show all download speeds
- 54.8% up to 2,000.0 Mbps
- 45.2% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Sebastian 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 Sebastian 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 Sebastian 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 153 Mbps.
Show all upload speeds
- 54.8% up to 250.0 Mbps
- 45.2% up to 35.0 Mbps
AT&T DSL in Sebastian, FL
AT&T DSL coverage
About 87.68%, or 23,910 people, have AT&T DSL internet available to them in the city. The company covers the entire Sebastian area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sebastian.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Sebastian. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Sebastian. The fastest plan anyone in Sebastian 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 Sebastian customers is up to 80 Mbps.
Show all download speeds
- 59.9% up to 100.0 Mbps
- 13.1% up to 75.0 Mbps
- 17.1% up to 50.0 Mbps
- 3.4% up to 25.0 Mbps
- 6.5% up to 10.0 Mbps
AT&T DSL upload speeds
In Sebastian 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 Sebastian 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 Sebastian 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 17 Mbps.
Show all upload speeds
- 73.0% up to 20.0 Mbps
- 17.1% up to 10.0 Mbps
- 3.4% up to 5.0 Mbps
- 6.5% up to 1.0 Mbps
EarthLink DSL in Sebastian, FL
EarthLink DSL coverage
About 87.68%, or 23,910 people, have EarthLink DSL internet available to them in the city. The company covers the entire Sebastian area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sebastian.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Sebastian. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Sebastian. The fastest plan anyone in Sebastian 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 Sebastian customers is up to 80 Mbps.
Show all download speeds
- 59.9% up to 100.0 Mbps
- 13.1% up to 75.0 Mbps
- 17.1% up to 50.0 Mbps
- 3.4% up to 25.0 Mbps
- 6.5% up to 10.0 Mbps
EarthLink DSL upload speeds
In Sebastian 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 Sebastian 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 Sebastian 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 17 Mbps.
Show all upload speeds
- 73.0% up to 20.0 Mbps
- 17.1% up to 10.0 Mbps
- 3.4% up to 5.0 Mbps
- 6.5% up to 1.0 Mbps
EarthLink Fiber in Sebastian, FL
EarthLink fiber coverage
About 50.27%, or 13,708 people, have EarthLink fiber internet available to them in the city. The company covers the entire Sebastian area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Sebastian.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Sebastian. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout Sebastian. The fastest plan anyone in Sebastian 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 Sebastian customers is up to 3,864 Mbps.
Show all download speeds
- 71.6% up to 5,000.0 Mbps
- 28.4% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Sebastian 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 Sebastian 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 Sebastian 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 3,864 Mbps.
Show all upload speeds
- 71.6% up to 5,000.0 Mbps
- 28.4% up to 1,000.0 Mbps
AT&T Fiber in Sebastian, FL
AT&T fiber coverage
About 50.27%, or 13,708 people, have AT&T fiber internet available to them in the city. The company covers the entire Sebastian 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 Sebastian.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Sebastian. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout Sebastian. The fastest plan anyone in Sebastian 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 Sebastian customers is up to 3,864 Mbps.
Show all download speeds
- 71.6% up to 5,000.0 Mbps
- 28.4% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Sebastian 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 Sebastian 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 Sebastian 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 3,864 Mbps.
Show all upload speeds
- 71.6% up to 5,000.0 Mbps
- 28.4% up to 1,000.0 Mbps
XFINITY from Comcast Fiber in Sebastian, FL
XFINITY fiber coverage
About 3.02%, or 824 people, have XFINITY fiber internet available to them in the city. The company covers the southeast and north Sebastian 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 Sebastian.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Sebastian. Versus other fiber providers in the area, XFINITY fiber is the slowest. There are 2 different maximum speeds throughout Sebastian. The fastest plan anyone in Sebastian 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 Sebastian customers is up to 1,299 Mbps.
Show all download speeds
- 12.4% up to 2,000.0 Mbps
- 87.6% up to 1,200.0 Mbps
XFINITY from Comcast fiber upload speeds
In Sebastian 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 Sebastian 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 Sebastian 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 62 Mbps.
Show all upload speeds
- 12.4% up to 250.0 Mbps
- 87.6% up to 35.0 Mbps
T-Mobile Home Internet Fixed Wireless in Sebastian, FL
T-Mobile Home Internet fixed wireless coverage
About 85.16%, or 23,225 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Sebastian 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 Sebastian.
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 Sebastian. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Sebastian. The fastest plan anyone in Sebastian 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 Sebastian customers is up to 53 Mbps.
Show all download speeds
- 36.8% up to 100.0 Mbps
- 63.2% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Sebastian 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 average compared to other Sebastian 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 Sebastian 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 9.3 Mbps.
Show all upload speeds
- 36.8% up to 20.0 Mbps
- 63.2% up to 3.0 Mbps
EarthLink Fixed Wireless in Sebastian, FL
EarthLink fixed wireless coverage
About 54.03%, or 14,735 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Sebastian area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Sebastian.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Sebastian. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Sebastian. The fastest plan anyone in Sebastian can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Sebastian customers is up to 44 Mbps.
Show all download speeds
- 24.9% up to 100.0 Mbps
- 75.1% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Sebastian 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 Sebastian fixed wireless 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 Sebastian is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 7.2 Mbps.
Show all upload speeds
- 24.9% up to 20.0 Mbps
- 75.1% up to 3.0 Mbps
AT&T Fixed Wireless in Sebastian, FL
AT&T fixed wireless coverage
About 54.03%, or 14,735 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Sebastian 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 Sebastian.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Sebastian. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Sebastian. The fastest plan anyone in Sebastian can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Sebastian customers is up to 44 Mbps.
Show all download speeds
- 24.9% up to 100.0 Mbps
- 75.1% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Sebastian 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 Sebastian fixed wireless 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 Sebastian is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 7.2 Mbps.
Show all upload speeds
- 24.9% up to 20.0 Mbps
- 75.1% up to 3.0 Mbps
Verizon Fixed Wireless in Sebastian, FL
Verizon fixed wireless coverage
About 42.00%, or 11,453 people, have Verizon fixed wireless internet available to them in the city. The company covers the southeast, east, north, northeast, northwest, central, south, and southwest Sebastian area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in some of Sebastian.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Sebastian. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Sebastian. The fastest plan anyone in Sebastian can order from Verizon goes up to 300 Mbps, and all Sebastian customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Sebastian 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 Sebastian fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sebastian is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Sebastian Internet by Area
This information is most helpful to those looking for homes or considering moving to Sebastian or any of the areas nearby.
How does internet in Sebastian compare to the rest of Florida?
Internet speeds in Sebastian are slower versus the average speeds in Florida: 4,092 Mbps in Florida versus 2,830 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Florida is 99.08% versus 99.89% in Sebastian.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Sebastian 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
- Roseland, FL: less internet coverage, slower speeds
- Wabasso, FL: more internet coverage, slower speeds
- Orchid, FL: more internet coverage, faster speeds
- Micco, FL: more internet coverage, slower speeds
- Fellsmere, FL: less internet coverage, slower speeds
- Indian River Shores, FL: less internet coverage, slower speeds
- Gifford, FL: more internet coverage, slower speeds
- Vero Beach, FL: less internet coverage, faster speeds
- West Vero Corridor, FL: less internet coverage, slower speeds
- Vero Beach South, FL: more internet coverage, faster speeds
Cities with Similar Populations
- Parrish, FL: more internet coverage, faster speeds
- Muscatine, IA: less internet coverage, faster speeds
- Naranjito, PR: less internet coverage, slower speeds
- Natchez, MS: less internet coverage, slower speeds
- Nazareth, PA: more internet coverage, slower speeds
- New London, CT: less internet coverage, faster speeds
- North Attleboro, MA: more internet coverage, slower speeds
- North Platte, NE: less internet coverage, slower speeds
- Oxford, MI: more internet coverage, slower speeds
- Pacific Palisades, CA: less internet coverage, faster speeds