In Shelter Island Heights there are 3 residential Fiber providers covering 90.36% of the city. The average home can get speeds up to 8,000 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 Fiber 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
Fiber Internet Service Providers 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 fiber internet available?
Fiber Internet Availability Key
Fiber is available in 90.36% of Shelter Island Heights. Areas in green have fiber 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 fiber internet in Shelter Island Heights?
The map below shows maximum fiber internet speeds by area in Shelter Island Heights.
Fiber Internet Speed Key
The average Shelter Island Heights home can get up to 8,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 90.36% of residents can get.
Is fiber 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, cable competes most often with fiber 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.
Fiber 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 Fiber in Shelter Island Heights, NY
Optimum fiber coverage
About 90.36%, or 1,106 people, have Optimum fiber 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 fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Shelter Island Heights. Versus other fiber providers in the area, Optimum fiber 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 8,000 Mbps, and all Shelter Island Heights customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Shelter Island Heights download speeds tend to be equal to than upload speeds for Optimum fiber. Compared to other ISPs, Optimum is the fastest where upload speeds are concerned, and the fastest compared to other Shelter Island Heights fiber 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 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
EarthLink Fiber in Shelter Island Heights, NY
EarthLink fiber coverage
About 16.75%, or 205 people, have EarthLink fiber internet available to them in the city. The company covers the central, southwest, north, and south Shelter Island Heights area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Shelter Island Heights.
EarthLink fiber download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Shelter Island Heights. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout Shelter Island Heights. The fastest plan anyone in Shelter Island Heights can order from EarthLink goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Shelter Island Heights customers is up to 1,853 Mbps.
Show all download speeds
- 82.4% up to 2,048.0 Mbps
- 17.6% up to 940.0 Mbps
EarthLink fiber upload speeds
In Shelter Island Heights download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Shelter Island Heights 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 Shelter Island Heights is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, EarthLink customers can get speeds up to 1,843 Mbps.
Show all upload speeds
- 82.4% up to 2,048.0 Mbps
- 17.6% up to 880.0 Mbps
Verizon Fiber in Shelter Island Heights, NY
Verizon fiber coverage
About 16.75%, or 205 people, have Verizon fiber internet available to them in the city. The company covers the central, southwest, north, and south Shelter Island Heights area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Shelter Island Heights.
Verizon fiber download speeds
Verizon is below average when comparing download speeds to all other internet providers in Shelter Island Heights. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are 2 different maximum speeds throughout Shelter Island Heights. The fastest plan anyone in Shelter Island Heights can order from Verizon goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Shelter Island Heights customers is up to 1,853 Mbps.
Show all download speeds
- 82.4% up to 2,048.0 Mbps
- 17.6% up to 940.0 Mbps
Verizon fiber upload speeds
In Shelter Island Heights download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and one of the slowest compared to other Shelter Island Heights fiber providers. Verizon 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 Shelter Island Heights is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, Verizon customers can get speeds up to 1,843 Mbps.
Show all upload speeds
- 82.4% up to 2,048.0 Mbps
- 17.6% up to 880.0 Mbps
Shelter Island Heights Fiber 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 fiber internet in Shelter Island Heights compare to the rest of New York?
Fiber internet speeds in Shelter Island Heights are much faster versus the average speeds in New York: 0.00 Mbps in New York versus 8,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in New York is 0.00% versus 90.36% in Shelter Island Heights.
What zip codes have fiber internet?
Fiber 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 fiber 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 fiber coverage, similar speeds
- Dering Harbor, NY: less fiber coverage, similar speeds
- Greenport West, NY: more fiber coverage, similar speeds
- Greenport, NY: more fiber coverage, similar speeds
- Southold, NY: more fiber coverage, similar speeds
- East Marion, NY: less fiber coverage, similar speeds
- North Haven, NY: more fiber coverage, similar speeds
- Noyack, NY: more fiber coverage, similar speeds
- Peconic, NY: more fiber coverage, similar speeds
- Orient, NY: more fiber coverage, similar speeds
Cities with Similar Populations
- Williford, AR: more fiber coverage, slower speeds
- Barbourmeade, KY: more fiber coverage, slower speeds
- Myton, UT: less fiber coverage, slower speeds
- Nakina, NC: more fiber coverage, slower speeds
- Neches, TX: less fiber coverage, slower speeds
- Nettie, WV: less fiber coverage, slower speeds
- New Lyme, OH: less fiber coverage, slower speeds
- North Fairfield, OH: less fiber coverage, slower speeds
- Nye, WI: less fiber coverage, slower speeds
- Ontario, WI: less fiber coverage, slower speeds