In Mercer Island there are 10 residential internet providers 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.
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10 Internet Service Providers 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
Availability maps for all providers in Mercer Island
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 99.95% of Mercer Island. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is XFINITY. Now you can call companies in Mercer Island with more confidence that they might be available.
How fast are internet speeds in Mercer Island?
The map below shows maximum internet speeds by area in Mercer Island.
Internet Speed Key
The average Mercer Island home can get up to 2,000 Mbps on their internet plan. For most people, the fastest download speed in the city is 2,000 Mbps, which 99.95% of residents can get.
What type of internet should I choose in Mercer Island?
The fastest internet for you may vary based on where in Mercer Island you live. If speed is your main concern, cable will be the fastest internet 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.
Internet Market Health in Mercer Island
Internet Competition Key
The map shows how competitive the Mercer Island internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Mercer Island based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.0 (healthy)
- Average types of service (fiber, cable, DSL, etc): 3.1 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 5.8 (very healthy)
Overall, competition is very healthy.
Mercer Island internet customers have the ability to buy internet service from 1 to 9 different providers, depending on where they live. For different types of service, Mercer Island homes have between 1 and 4 options. The type(s) of service available are cable, fixed wireless, dsl, and fiber, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Mercer Island internet customers who want faster speeds have between 1 and 9 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Mercer Island is doing quite well.
TV & Internet 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
Centurylink DSL in Mercer Island, WA
Centurylink DSL coverage
About 56.25%, or 14,553 people, have Centurylink DSL internet available to them in the city. The company covers the entire Mercer Island area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Mercer Island.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Mercer Island. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 6 different maximum speeds throughout Mercer Island. The fastest plan anyone in Mercer Island can order from Centurylink goes up to 140 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Mercer Island customers is up to 52 Mbps.
Show all download speeds
- 5.2% up to 140.0 Mbps
- 21.4% up to 100.0 Mbps
- 9.0% up to 80.0 Mbps
- 8.0% up to 60.0 Mbps
- 18.8% up to 40.0 Mbps
- 37.5% up to 10.0 Mbps
Centurylink DSL upload speeds
In Mercer Island download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the slowest where upload speeds are concerned, and the fastest compared to other Mercer Island DSL providers. Centurylink offers 5 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 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 5.4 Mbps.
Show all upload speeds
- 5.2% up to 20.0 Mbps
- 30.4% up to 10.0 Mbps
- 8.0% up to 5.0 Mbps
- 18.8% up to 3.0 Mbps
- 37.5% up to 1.0 Mbps
Quantum Fiber Fiber in Mercer Island, WA
Quantum Fiber fiber coverage
About 46.71%, or 12,086 people, have Quantum Fiber fiber internet available to them in the city. The company covers the northwest, central, east, north, south, west, southeast, and southwest Mercer Island area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in some of Mercer Island.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in Mercer Island. Versus other fiber providers in the area, Quantum Fiber fiber is above average. There are 3 different maximum speeds throughout Mercer Island. The fastest plan anyone in Mercer Island can order from Quantum Fiber goes up to 2,000 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Mercer Island customers is up to 1,954 Mbps.
Show all download speeds
- 95.5% up to 2,000.0 Mbps
- 3.1% up to 1,000.0 Mbps
- 1.5% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In Mercer Island download speeds tend to be faster than than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is above average where upload speeds are concerned, and below average compared to other Mercer Island fiber providers. Quantum Fiber 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 1,000 Mbps. Some customers have slower plan choices, which only go up to 940 Mbps. On average, Quantum Fiber customers can get speeds up to 999 Mbps.
Show all upload speeds
- 98.5% up to 1,000.0 Mbps
- 1.5% up to 940.0 Mbps
Centurylink Fiber in Mercer Island, WA
Centurylink fiber coverage
About 38.51%, or 9,964 people, have Centurylink fiber internet available to them in the city. The company covers the northwest, central, east, west, north, south, southeast, and southwest Mercer Island area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Mercer Island.
Centurylink fiber download speeds
Centurylink is average when comparing download speeds to all other internet providers in Mercer Island. Versus other fiber providers in the area, Centurylink fiber is the slowest. There are 5 different maximum speeds throughout Mercer Island. The fastest plan anyone in Mercer Island can order from Centurylink goes up to 1,000 Mbps, the slowest package only goes up to 40 Mbps, and the city-wide average maximum speed for Mercer Island customers is up to 949 Mbps.
Show all download speeds
- 34.0% up to 1,000.0 Mbps
- 64.6% up to 940.0 Mbps
- 0.4% up to 200.0 Mbps
- 0.4% up to 80.0 Mbps
- 0.6% up to 40.0 Mbps
Centurylink fiber upload speeds
In Mercer Island download speeds tend to be faster than than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is above average where upload speeds are concerned, and the slowest compared to other Mercer Island fiber providers. Centurylink offers 5 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 1,000 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, Centurylink customers can get speeds up to 814 Mbps.
Show all upload speeds
- 34.0% up to 1,000.0 Mbps
- 46.5% up to 940.0 Mbps
- 18.5% up to 200.0 Mbps
- 0.4% up to 10.0 Mbps
- 0.6% up to 5.0 Mbps
Astound Broadband Fiber in Mercer Island, WA
Astound Broadband fiber coverage
About 11.14%, or 2,882 people, have Astound Broadband fiber internet available to them in the city. The company covers the northwest and north Mercer Island area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Mercer Island.
Astound Broadband fiber download speeds
Astound Broadband is one of the fastest when comparing download speeds to all other internet providers in Mercer Island. Versus other fiber providers in the area, Astound Broadband fiber is one of the fastest. There are no different maximum speeds throughout Mercer Island. The fastest plan anyone in Mercer Island can order from Astound Broadband 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
Astound Broadband fiber upload speeds
In Mercer Island download speeds tend to be equal to than upload speeds for Astound Broadband fiber. Compared to other ISPs, Astound Broadband is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Mercer Island fiber providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Mercer Island is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast Fiber in Mercer Island, WA
XFINITY fiber coverage
About 2.74%, or 708 people, have XFINITY fiber internet available to them in the city. The company covers the northwest Mercer Island area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Mercer Island.
XFINITY from Comcast fiber download speeds
XFINITY is one of the fastest when comparing download speeds to all other internet providers in Mercer Island. Versus other fiber providers in the area, XFINITY fiber is one of 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 fiber upload speeds
In Mercer Island download speeds tend to be equal to than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Mercer Island fiber providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Mercer Island is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
EarthLink Fixed Wireless in Mercer Island, WA
EarthLink fixed wireless coverage
About 96.16%, or 24,880 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Mercer Island area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Mercer Island.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Mercer Island. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Mercer Island. The fastest plan anyone in Mercer Island can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Mercer Island customers is up to 50 Mbps.
Show all download speeds
- 33.3% up to 100.0 Mbps
- 66.7% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Mercer Island download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Mercer Island fixed wireless 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 Mercer Island is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 8.7 Mbps.
Show all upload speeds
- 33.3% up to 20.0 Mbps
- 66.7% up to 3.0 Mbps
AT&T Fixed Wireless in Mercer Island, WA
AT&T fixed wireless coverage
About 96.16%, or 24,880 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Mercer Island area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Mercer Island.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Mercer Island. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Mercer Island. The fastest plan anyone in Mercer Island can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Mercer Island customers is up to 50 Mbps.
Show all download speeds
- 33.3% up to 100.0 Mbps
- 66.7% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Mercer Island download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Mercer Island fixed wireless providers. AT&T 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 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 8.7 Mbps.
Show all upload speeds
- 33.3% up to 20.0 Mbps
- 66.7% up to 3.0 Mbps
T-Mobile Home Internet Fixed Wireless in Mercer Island, WA
T-Mobile Home Internet fixed wireless coverage
About 90.89%, or 23,517 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Mercer Island area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Mercer Island.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Mercer Island. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Mercer Island. The fastest plan anyone in Mercer Island can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Mercer Island customers is up to 89 Mbps.
Show all download speeds
- 85.7% up to 100.0 Mbps
- 14.3% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Mercer Island download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and below average compared to other Mercer Island fixed wireless providers. T-Mobile Home Internet 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 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 18 Mbps.
Show all upload speeds
- 85.7% up to 20.0 Mbps
- 14.3% up to 3.0 Mbps
Verizon Fixed Wireless in Mercer Island, WA
Verizon fixed wireless coverage
About 64.87%, or 16,783 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Mercer Island area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Mercer Island.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Mercer Island. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 2 different maximum speeds throughout Mercer Island. The fastest plan anyone in Mercer Island can order from Verizon goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the city-wide average maximum speed for Mercer Island customers is up to 617 Mbps.
Show all download speeds
- 45.3% up to 1,000.0 Mbps
- 54.7% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Mercer Island download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other Mercer Island fixed wireless 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 Mercer Island is up to 75 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, Verizon customers can get speeds up to 45 Mbps.
Show all upload speeds
- 45.3% up to 75.0 Mbps
- 54.7% up to 20.0 Mbps
Mercer Island Internet 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 internet in Mercer Island compare to the rest of Washington?
Internet speeds in Mercer Island are slower versus the average speeds in Washington: 2,720 Mbps in Washington versus 2,000 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Washington is 98.85% versus 99.95% in Mercer Island.
What zip codes have widespread internet?
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 internet service 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 internet coverage, slower speeds
- Newcastle, WA: more internet coverage, slower speeds
- Bellevue, WA: less internet coverage, faster speeds
- Medina, WA: more internet coverage, slower speeds
- Clyde Hill, WA: more internet coverage, slower speeds
- Bryn Mawr-Skyway, WA: more internet coverage, faster speeds
- Hunts Point, WA: more internet coverage, slower speeds
- Yarrow Point, WA: more internet coverage, faster speeds
- Boulevard Park, WA: more internet coverage, similar speeds
- Seattle, WA: less internet coverage, faster speeds
Cities with Similar Populations
- Allendale, MI: less internet coverage, slower speeds
- Yorkville, IL: more internet coverage, faster speeds
- Yelm, WA: less internet coverage, slower speeds
- West Hempstead, NY: less internet coverage, faster speeds
- Wayne, PA: less internet coverage, slower speeds
- Waukee, IA: more internet coverage, slower speeds
- Watertown, WI: less internet coverage, slower speeds
- Wallingford, CT: less internet coverage, faster speeds
- Wakefield, MA: less internet coverage, slower speeds
- Waianae, HI: less internet coverage, faster speeds