In Seaside there are 2 residential Cable providers covering 96.58% of the city. The average home can get speeds up to 1,523 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 Seaside, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Seaside, CA please click below.
Cable Internet Service Providers in Seaside
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 Seaside are not shown.
Seaside 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 Seaside is cable internet available?
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Cable is available in 96.58% of Seaside. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in Seaside above to see who has service at your home.
How fast is cable internet in Seaside?
The map below shows maximum cable internet speeds by area in Seaside.
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The average Seaside home can get up to 1,523 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 39.93% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.91% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Seaside.
Cable internet speeds tend to be faster in the west parts of Seaside, and slower in the southeast areas of the city.
Is cable the fastest internet I can get in Seaside?
The fastest internet for you may vary based on where in Seaside you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 53.07% of Seaside homes.
- Cable is fastest for 43.51% 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 3.30% of Seaside homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Seaside, along with details on where in Seaside and at what speeds.
XFINITY from Comcast Cable in Seaside, CA
XFINITY cable coverage
About 93.67%, or 30,645 people, have XFINITY cable internet available to them in the city. The company covers the entire Seaside area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seaside.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Seaside. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Seaside. The fastest plan anyone in Seaside 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 Seaside customers is up to 1,541 Mbps.
Show all download speeds
- 42.6% up to 2,000.0 Mbps
- 57.4% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Seaside 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 Seaside 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 Seaside 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 127 Mbps.
Show all upload speeds
- 42.6% up to 250.0 Mbps
- 57.4% up to 35.0 Mbps
Optimum Cable in Seaside, CA
Optimum cable coverage
About 20.07%, or 6,565 people, have Optimum cable internet available to them in the city. The company covers the northeast and north Seaside area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Seaside.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Seaside. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Seaside. The fastest plan anyone in Seaside can order from Optimum goes up to 940 Mbps, and all Seaside customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Seaside download speeds tend to be faster than than upload speeds for Optimum cable. Compared to other ISPs, Optimum is below average where upload speeds are concerned, and the slowest compared to other Seaside cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seaside is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Seaside Cable by Area
This information is most helpful to those looking for homes or considering moving to Seaside or any of the areas nearby.
How does cable internet in Seaside compare to the rest of California?
Cable internet speeds in Seaside are much faster versus the average speeds in California: 0.00 Mbps in California versus 1,523 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in California is 0.00% versus 96.58% in Seaside.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Seaside 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
- Sand City, CA: more cable coverage, faster speeds
- Del Rey Oaks, CA: more cable coverage, slower speeds
- Monterey, CA: less cable coverage, faster speeds
- Marina, CA: less cable coverage, faster speeds
- Pacific Grove, CA: more cable coverage, faster speeds
- Del Monte Forest, CA: more cable coverage, slower speeds
- Carmel, CA: less cable coverage, faster speeds
- Carmel-By-The-Sea, CA: more cable coverage, faster speeds
- East Garrison, CA: less cable coverage, slower speeds
- Carmel Highlands, CA: less cable coverage, slower speeds
Cities with Similar Populations
- Syracuse, UT: more cable coverage, faster speeds
- El Paso de Robles, CA: more cable coverage, slower speeds
- Endicott, NY: more cable coverage, slower speeds
- Englewood, FL: more cable coverage, slower speeds
- Ephrata, PA: less cable coverage, faster speeds
- Erie, CO: less cable coverage, faster speeds
- Eustis, FL: less cable coverage, slower speeds
- Foothill Farms, CA: more cable coverage, faster speeds
- Franklin Town, MA: more cable coverage, slower speeds
- Fruit Cove, FL: more cable coverage, slower speeds