In Key Biscayne there is 1 residential Cable provider covering 95.27% of the city. The average home can get speeds up to 1,812 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 Key Biscayne, FL.
To see availability maps for all providers including fiber, cable, DSL, and more in Key Biscayne, FL please click below.
Key Biscayne, FL Availability Maps
Cable Internet Service Provider in Key Biscayne
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 Key Biscayne are not shown.
Key Biscayne 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 Key Biscayne is cable internet available?
Cable Internet Availability Key
Cable is available in 95.27% of Key Biscayne. 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 Key Biscayne above to see who has service at your home.
How fast is cable internet in Key Biscayne?
The map below shows maximum cable internet speeds by area in Key Biscayne.
Cable Internet Speed Key
The average Key Biscayne home can get up to 1,812 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 72.92% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 22.34% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Key Biscayne.
Cable internet speeds tend to be faster in the northeast parts of Key Biscayne, and slower in the southeast areas of the city.
Is cable the fastest internet I can get in Key Biscayne?
The fastest internet for you may vary based on where in Key Biscayne you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 82.04% of Key Biscayne homes.
- Cable is fastest for 17.84% 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 Key Biscayne homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Key Biscayne, along with details on where in Key Biscayne and at what speeds.
XFINITY from Comcast Cable in Key Biscayne, FL
XFINITY cable coverage
About 95.27%, or 14,144 people, have XFINITY cable internet available to them in the city. The company covers the entire Key Biscayne area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Key Biscayne.
XFINITY from Comcast cable download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Key Biscayne. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Key Biscayne. The fastest plan anyone in Key Biscayne 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 Key Biscayne customers is up to 1,812 Mbps.
Show all download speeds
- 76.5% up to 2,000.0 Mbps
- 23.5% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Key Biscayne 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 Key Biscayne 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 Key Biscayne 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 200 Mbps.
Show all upload speeds
- 76.5% up to 250.0 Mbps
- 23.5% up to 35.0 Mbps
Key Biscayne Cable by Area
This information is most helpful to those looking for homes or considering moving to Key Biscayne or any of the areas nearby.
How does cable internet in Key Biscayne compare to the rest of Florida?
Cable internet speeds in Key Biscayne are much faster versus the average speeds in Florida: 0.00 Mbps in Florida versus 1,812 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Florida is 0.00% versus 95.27% in Key Biscayne.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Key Biscayne 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
- Shenandoah, FL: more cable coverage, faster speeds
- Coral Gables, FL: less cable coverage, slower speeds
- Miami Beach, FL: more cable coverage, slower speeds
- South Miami, FL: more cable coverage, slower speeds
- Miami, FL: more cable coverage, slower speeds
- Pinecrest, FL: more cable coverage, faster speeds
- Glenvar Heights, FL: more cable coverage, faster speeds
- West Miami, FL: less cable coverage, slower speeds
- Coral Terrace, FL: more cable coverage, slower speeds
- Palmetto Bay, FL: more cable coverage, slower speeds
Cities with Similar Populations
- Bradford, PA: more cable coverage, slower speeds
- Bulverde, TX: less cable coverage, slower speeds
- Bull Mountain, OR: less cable coverage, slower speeds
- Brock Hall, MD: more cable coverage, faster speeds
- Broadlands, VA: more cable coverage, slower speeds
- Brattleboro, VT: less cable coverage, slower speeds
- Brandywine, MD: less cable coverage, faster speeds
- Bradley, IL: more cable coverage, slower speeds
- Bradley Gardens, NJ: more cable coverage, slower speeds
- Burlington, WA: more cable coverage, faster speeds