In Mercer Island there is 1 residential Cable provider covering 99.95% of the city. The average home can get speeds up to 2,000 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 Mercer Island, WA.
To see availability maps for all providers including fiber, cable, DSL, and more in Mercer Island, WA please click below.
Mercer Island, WA Availability Maps
Cable Internet Service Provider in Mercer Island
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 Mercer Island are not shown.
Mercer Island 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 Mercer Island is cable internet available?
Cable Internet Availability Key
Cable is available in 99.95% of Mercer Island. 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 Mercer Island above to see who has service at your home.
How fast is cable internet in Mercer Island?
The map below shows maximum cable internet speeds by area in Mercer Island.
Cable Internet Speed Key
The average Mercer Island home can get up to 2,000 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 99.95% of residents can get.
Is cable the fastest internet I can get in Mercer Island?
The fastest internet for you may vary based on where in Mercer Island you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 11.14% of Mercer Island homes.
- Cable is fastest for 88.81% 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 Mercer Island homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Mercer Island, along with details on where in Mercer Island and at what speeds.
XFINITY from Comcast Cable in Mercer Island, WA
XFINITY cable coverage
About 99.95%, or 25,859 people, have XFINITY cable internet available to them in the city. The company covers the entire Mercer Island area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Mercer Island.
XFINITY from Comcast cable download speeds
XFINITY is one of the fastest when comparing download speeds to all other internet providers in Mercer Island. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Mercer Island. The fastest plan anyone in Mercer Island can order from XFINITY goes up to 2,000 Mbps, and all Mercer Island customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast cable upload speeds
In Mercer Island download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is above average where upload speeds are concerned, and the fastest compared to other Mercer Island 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 Mercer Island is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 250 Mbps. On average, XFINITY customers can get speeds up to 1,987 Mbps.
Show all upload speeds
- 99.2% up to 2,000.0 Mbps
- 0.8% up to 250.0 Mbps
Mercer Island Cable by Area
This information is most helpful to those looking for homes or considering moving to Mercer Island or any of the areas nearby.
How does cable internet in Mercer Island compare to the rest of Washington?
Cable internet speeds in Mercer Island are much faster versus the average speeds in Washington: 0.00 Mbps in Washington versus 2,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Washington is 0.00% versus 99.95% in Mercer Island.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Mercer Island 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
- Beaux Arts Village, WA: more cable coverage, slower speeds
- Newcastle, WA: more cable coverage, slower speeds
- Bellevue, WA: less cable coverage, slower speeds
- Medina, WA: more cable coverage, slower speeds
- Clyde Hill, WA: more cable coverage, slower speeds
- Bryn Mawr-Skyway, WA: more cable coverage, slower speeds
- Hunts Point, WA: more cable coverage, slower speeds
- Yarrow Point, WA: more cable coverage, slower speeds
- Boulevard Park, WA: more cable coverage, similar speeds
- Seattle, WA: less cable coverage, slower speeds
Cities with Similar Populations
- Allendale, MI: less cable coverage, slower speeds
- Yorkville, IL: less cable coverage, slower speeds
- Yelm, WA: less cable coverage, slower speeds
- West Hempstead, NY: less cable coverage, slower speeds
- Wayne, PA: less cable coverage, slower speeds
- Waukee, IA: less cable coverage, slower speeds
- Watertown, WI: less cable coverage, slower speeds
- Wallingford, CT: less cable coverage, slower speeds
- Wakefield, MA: less cable coverage, slower speeds
- Waianae, HI: less cable coverage, slower speeds