In Castalia there are 2 residential Cable providers covering 73.72% 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 Cable internet providers in Castalia, OH.
To see availability maps for all providers including fiber, cable, DSL, and more in Castalia, OH please click below.
Castalia, OH Availability Maps
Cable Internet Service Providers in Castalia
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 Castalia are not shown.
Castalia 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 Castalia is cable internet available?
Cable Internet Availability Key
Cable is available in 73.72% of Castalia. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Buckeye. Call one of the companies with service in Castalia above to see who has service at your home.
How fast is cable internet in Castalia?
The map below shows maximum cable internet speeds by area in Castalia.
Cable Internet Speed Key
The average Castalia home can get up to 1,000 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,000 Mbps, which 73.72% of residents can get.
Is cable the fastest internet I can get in Castalia?
The fastest internet for you may vary based on where in Castalia you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 97.42% of Castalia homes.
- Cable is fastest for 1.06% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.35%.
- Satellite internet may be the only option for less than 1% of Castalia homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Castalia, along with details on where in Castalia and at what speeds.
Buckeye Broadband Cable in Castalia, OH
Buckeye cable coverage
About 69.91%, or 2,439 people, have Buckeye cable internet available to them in the city. The company covers the entire Castalia area. Buckeye is a large internet service provider internet service providers in the US, with internet service available in much of Castalia.
Buckeye Broadband cable download speeds
Buckeye is average when comparing download speeds to all other internet providers in Castalia. Versus other cable providers in the area, Buckeye cable is one of the fastest. There are no different maximum speeds throughout Castalia. The fastest plan anyone in Castalia can order from Buckeye goes up to 1,000 Mbps, and all Castalia customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Buckeye Broadband cable upload speeds
In Castalia download speeds tend to be faster than than upload speeds for Buckeye cable. Compared to other ISPs, Buckeye is below average where upload speeds are concerned, and the slowest compared to other Castalia cable providers. Buckeye offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castalia is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Spectrum Cable in Castalia, OH
Spectrum cable coverage
About 3.81%, or 133 people, have Spectrum cable internet available to them in the city. The company covers the northeast and northwest Castalia area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Castalia.
Spectrum cable download speeds
Spectrum is average when comparing download speeds to all other internet providers in Castalia. Versus other cable providers in the area, Spectrum cable is one of the fastest. There are no different maximum speeds throughout Castalia. The fastest plan anyone in Castalia can order from Spectrum goes up to 1,000 Mbps, and all Castalia customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Castalia download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other Castalia cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castalia is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Castalia Cable by Area
This information is most helpful to those looking for homes or considering moving to Castalia or any of the areas nearby.
How does cable internet in Castalia compare to the rest of Ohio?
Cable internet speeds in Castalia are much faster versus the average speeds in Ohio: 0.00 Mbps in Ohio versus 1,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Ohio is 0.00% versus 73.72% in Castalia.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Castalia 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
- Venice, OH: more cable coverage, similar speeds
- Springbrook, OH: more cable coverage, similar speeds
- Parkertown, OH: less cable coverage, similar speeds
- Bloomingville, OH: less cable coverage, similar speeds
- Bay View, OH: more cable coverage, similar speeds
- Vickery, OH: less cable coverage, similar speeds
- Sandusky, OH: more cable coverage, similar speeds
- North Monroeville, OH: less cable coverage, similar speeds
- Bellevue, OH: more cable coverage, similar speeds
- Bogart, OH: more cable coverage, similar speeds
Cities with Similar Populations
- Providence, KY: more cable coverage, similar speeds
- Pine City, NY: more cable coverage, similar speeds
- Elsie, MI: less cable coverage, similar speeds
- Newbury, OH: more cable coverage, similar speeds
- Kiefer, OK: less cable coverage, faster speeds
- Moreland Hills, OH: more cable coverage, similar speeds
- Byfield, MA: more cable coverage, faster speeds
- Plum Grove, TX: less cable coverage, slower speeds
- Pine Knot, KY: more cable coverage, similar speeds
- Osakis, MN: less cable coverage, similar speeds