In Mount Sinai there are 3 residential Fiber providers covering 72.78% of the city. The average home can get speeds up to 7,674 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 Mount Sinai, NY.
To see availability maps for all providers including fiber, cable, DSL, and more in Mount Sinai, NY please click below.
Mount Sinai, NY Availability Maps
Fiber Internet Service Providers in Mount Sinai
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 Mount Sinai are not shown.
Mount Sinai 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 Mount Sinai is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 72.78% of Mount Sinai. 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 Mount Sinai above to see who has service at your home.
How fast is fiber internet in Mount Sinai?
The map below shows maximum fiber internet speeds by area in Mount Sinai.
Fiber Internet Speed Key
The average Mount Sinai home can get up to 7,674 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 69.41% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.36% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Mount Sinai.
Fiber internet speeds tend to be faster in the central parts of Mount Sinai, and slower in the west areas of the city.
Is fiber the fastest internet I can get in Mount Sinai?
The fastest internet for you may vary based on where in Mount Sinai you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 72.78% of Mount Sinai homes.
- Cable is fastest for 27.22% 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 Mount Sinai homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Mount Sinai, along with details on where in Mount Sinai and at what speeds.
Optimum Fiber in Mount Sinai, NY
Optimum fiber coverage
About 69.41%, or 8,068 people, have Optimum fiber internet available to them in the city. The company covers the entire Mount Sinai area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in much of Mount Sinai.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Mount Sinai. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Mount Sinai. The fastest plan anyone in Mount Sinai can order from Optimum goes up to 8,000 Mbps, and all Mount Sinai customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Mount Sinai 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 Mount Sinai fiber providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Mount Sinai 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 Mount Sinai, NY
EarthLink fiber coverage
About 45.60%, or 5,300 people, have EarthLink fiber internet available to them in the city. The company covers the north, west, northwest, central, southeast, south, and southwest Mount Sinai area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Mount Sinai.
EarthLink fiber download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Mount Sinai. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are no different maximum speeds throughout Mount Sinai. The fastest plan anyone in Mount Sinai can order from EarthLink goes up to 940 Mbps, and all Mount Sinai customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
EarthLink fiber upload speeds
In Mount Sinai 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 Mount Sinai fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Mount Sinai is up to 880 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 880.0 Mbps
Verizon Fiber in Mount Sinai, NY
Verizon fiber coverage
About 45.60%, or 5,300 people, have Verizon fiber internet available to them in the city. The company covers the north, west, northwest, central, southeast, south, and southwest Mount Sinai area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in some of Mount Sinai.
Verizon fiber download speeds
Verizon is below average when comparing download speeds to all other internet providers in Mount Sinai. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are no different maximum speeds throughout Mount Sinai. The fastest plan anyone in Mount Sinai can order from Verizon goes up to 940 Mbps, and all Mount Sinai customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Verizon fiber upload speeds
In Mount Sinai 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 Mount Sinai fiber providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Mount Sinai is up to 880 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 880.0 Mbps
Mount Sinai Fiber by Area
This information is most helpful to those looking for homes or considering moving to Mount Sinai or any of the areas nearby.
How does fiber internet in Mount Sinai compare to the rest of New York?
Fiber internet speeds in Mount Sinai are much faster versus the average speeds in New York: 0.00 Mbps in New York versus 7,674 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in New York is 0.00% versus 72.78% in Mount Sinai.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Mount Sinai 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
- Miller Place, NY: more fiber coverage, faster speeds
- Port Jefferson Station, NY: more fiber coverage, faster speeds
- Port Jefferson, NY: more fiber coverage, faster speeds
- Terryville, NY: more fiber coverage, slower speeds
- Sound Beach, NY: more fiber coverage, faster speeds
- Coram, NY: more fiber coverage, faster speeds
- Belle Terre, NY: more fiber coverage, faster speeds
- Poquott, NY: more fiber coverage, slower speeds
- Rocky Point, NY: more fiber coverage, faster speeds
- Selden, NY: more fiber coverage, faster speeds
Cities with Similar Populations
- Harrison, MI: less fiber coverage, slower speeds
- Spring City, PA: more fiber coverage, slower speeds
- Spencer, IA: more fiber coverage, slower speeds
- South Park Township, PA: more fiber coverage, slower speeds
- South Haven, MI: less fiber coverage, slower speeds
- South Apopka, FL: more fiber coverage, slower speeds
- Social Circle, GA: less fiber coverage, slower speeds
- Slatington, PA: less fiber coverage, slower speeds
- Haverstraw, NY: more fiber coverage, faster speeds
- Hartwell, GA: more fiber coverage, slower speeds