In Shelter Island Heights there is 1 residential Cable provider covering 99.02% of the city. The average home can get speeds up to 940 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 Shelter Island Heights, NY.
To see availability maps for all providers including fiber, cable, DSL, and more in Shelter Island Heights, NY please click below.
Shelter Island Heights, NY Availability Maps
Cable Internet Service Provider in Shelter Island Heights
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 Shelter Island Heights are not shown.
Shelter Island Heights 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 Shelter Island Heights is cable internet available?
Cable Internet Availability Key
Cable is available in 99.02% of Shelter Island Heights. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Optimum. Call one of the companies with service in Shelter Island Heights above to see who has service at your home.
How fast is cable internet in Shelter Island Heights?
The map below shows maximum cable internet speeds by area in Shelter Island Heights.
Cable Internet Speed Key
The average Shelter Island Heights home can get up to 940 Mbps on their cable internet plan. The fastest cable download speed in the city is 940 Mbps, which 99.02% of residents can get.
Is cable the fastest internet I can get in Shelter Island Heights?
The fastest internet for you may vary based on where in Shelter Island Heights you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 90.36% of Shelter Island Heights homes.
- Cable is fastest for 8.66% 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 Shelter Island Heights homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Shelter Island Heights, along with details on where in Shelter Island Heights and at what speeds.
Optimum Cable in Shelter Island Heights, NY
Optimum cable coverage
About 99.02%, or 1,212 people, have Optimum cable internet available to them in the city. The company covers the entire Shelter Island Heights area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Shelter Island Heights.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Shelter Island Heights. Versus other cable providers in the area, Optimum cable is the fastest. There are no different maximum speeds throughout Shelter Island Heights. The fastest plan anyone in Shelter Island Heights can order from Optimum goes up to 940 Mbps, and all Shelter Island Heights customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Shelter Island Heights 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 fastest compared to other Shelter Island Heights cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Shelter Island Heights is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Shelter Island Heights Cable by Area
This information is most helpful to those looking for homes or considering moving to Shelter Island Heights or any of the areas nearby.
How does cable internet in Shelter Island Heights compare to the rest of New York?
Cable internet speeds in Shelter Island Heights are much faster versus the average speeds in New York: 0.00 Mbps in New York versus 940 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in New York is 0.00% versus 99.02% in Shelter Island Heights.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Shelter Island Heights 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
- Shelter Island, NY: more cable coverage, similar speeds
- Dering Harbor, NY: more cable coverage, similar speeds
- Greenport West, NY: less cable coverage, similar speeds
- Greenport, NY: less cable coverage, similar speeds
- Southold, NY: more cable coverage, faster speeds
- East Marion, NY: more cable coverage, similar speeds
- North Haven, NY: more cable coverage, similar speeds
- Noyack, NY: more cable coverage, similar speeds
- Peconic, NY: more cable coverage, similar speeds
- Orient, NY: more cable coverage, similar speeds
Cities with Similar Populations
- Barbourmeade, KY: more cable coverage, faster speeds
- Beaver Meadows, PA: more cable coverage, faster speeds
- Nauvoo, IL: less cable coverage, faster speeds
- Neches, TX: less cable coverage, faster speeds
- Nettie, WV: less cable coverage, faster speeds
- New Lyme, OH: less cable coverage, slower speeds
- North Fairfield, OH: less cable coverage, faster speeds
- Nye, WI: less cable coverage, faster speeds
- Ontario, WI: less cable coverage, faster speeds
- Palm Shores, FL: more cable coverage, faster speeds