9 Best Internet Providers in South Lake Union, Seattle, WA
Find internet availability by address in South Lake Union, Seattle, WA
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | South Lake Union ISP Report Card | Business Internet in South Lake Union
| South Lake Union ISP Report Card | A- | |
| Download Speed for Most Households | 2,000 Mbps | |
| Number of Internet Service Providers | 9 | |
| Real South Lake Union Customer Ratings | 12 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
South Lake Union has 9 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, DSL, and Fixed Wireless internet are available in the neighborhood. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in South Lake Union.
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South Lake Union has 9 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, DSL, and Fixed Wireless internet are available in the neighborhood. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in South Lake Union.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
XFINITY
Connection
Customer Rating
Fiber
Cable
Astound Broadband
Connection
Customer Rating
Fiber
Cable
DSL
Quantum Fiber
Connection
Customer Rating
Fiber
Centurylink
Connection
Customer Rating
Fiber
DSL
Above are the top 4 providers in South Lake Union, Seattle, WA for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your neighborhood.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local South Lake Union ratings may vary and are shown below.
Who is the Best Internet Provider in South Lake Union, Seattle, WA?
T-Mobile Home Internet is the best internet provider in South Lake Union based on Seattle customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, T-Mobile Home Internet had the best reviews at the local, state, and national levels versus all available providers in South Lake Union, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 98.21% of the neighborhood.
Click here to get T-Mobile Home Internet
or call 1-833-601-2935
The chart and table below show average customer ratings from customers in South Lake Union, Washington, and customers throughout the country.
Top Rated Internet Providers in South Lake Union
Local, State, and National Ratings for all South Lake Union Internet Providers
| ISP / Tech Type | South Lake Union Overall | Washington Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (1) | (10) | (284) | View Plans | ||
| Quantum Fiber | (1) | (2) | (42) | View Plans | ||
| Verizon | (1) | (7) | (723) | View Plans | ||
| Astound Broadband | (2) | (19) | (109) | View Plans | ||
| XFINITY | (7) | (128) | (2164) | View Plans | ||
| AT&T | (0) | (1) | (924) | View Plans | ||
| Centurylink | (0) | (23) | (163) | View Plans | ||
| Google Fiber | (0) | (1) | (89) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans |
Based on 192 reviews from Seattle internet customers, T-Mobile Home Internet is the best internet service provider for South Lake Union residents. T-Mobile Home Internet was rated at an average of 5.00 out of 5 in our report for overall customer satisfaction. Quantum Fiber wins for second-place in Seattle, with 4.00 out of 5 stars and 77.4% coverage in South Lake Union.
At a national level, based on 4539 national reviews for any of the providers listed above, Google Fiber is rated higher than any other provider, with a rating of 4.18 out of 5.
Which Providers are Available at my Home in South Lake Union?
a different provider.

Internet Availability Key
Speeds and coverage vary within the neighborhood, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in South Lake Union?
According to unbiased feedback from real internet customers in the neighborhood, they reported being happiest with speeds provided by Quantum Fiber. On the other hand, based on data provided by the internet providers to the FCC, Astound Broadband should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in South Lake Union
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Quantum Fiber | 2,000 Mbps | ||
| Astound Broadband | 2,000 Mbps | ||
| XFINITY from Comcast | 2,000 Mbps | ||
| Google Fiber | 1,000 Mbps | ||
| Verizon | 1,000 Mbps | ||
| Centurylink | 1,000 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| AT&T | 100 Mbps | ||
| EarthLink | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in South Lake Union
| ISP / Tech Type | South Lake Union Speed | Washington Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| Quantum Fiber | (1) | (2) | (42) | View Plans | ||
| T-Mobile Home Internet | (1) | (10) | (284) | View Plans | ||
| Astound Broadband | (2) | (19) | (109) | View Plans | ||
| Verizon | (1) | (7) | (723) | View Plans | ||
| XFINITY | (7) | (128) | (2164) | View Plans | ||
| Google Fiber | (0) | (1) | (89) | View Plans | ||
| AT&T | (0) | (1) | (924) | View Plans | ||
| Centurylink | (0) | (23) | (163) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans |
Based on data reported by South Lake Union ISPs to the FCC, the fastest speeds in the neighborhood are available through Astound Broadband. The company offers speeds up to 2,000 Mbps in South Lake Union. Therefore, the average customer can get up to 1,981 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers in the neighborhood rated their satisfaction with internet speed highest with Quantum Fiber. This indicates Quantum Fiber reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in South Lake Union?
Seattle customers rate T-Mobile Home Internet as the cheapest internet service provider in city. Data comes from customers in the city rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
T-Mobile Home Internet received a local rating of 5.00 out of 5, which is higher than the average across all internet providers in the country. Astound Broadband is rated in second place for affordability by the company’s South Lake Union customers with an average price rating of 3.00 out of 5.
The chart and graph below show how customers in South Lake Union, Seattle, and the United States rated the affordability of their internet service.
Rated Affordability in South Lake Union
| ISP / Tech Type | South Lake Union Affordability | Washington Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (1) | (10) | (284) | View Plans | ||
| Quantum Fiber | (1) | (2) | (42) | View Plans | ||
| Astound Broadband | (2) | (19) | (109) | View Plans | ||
| XFINITY | (7) | (128) | (2164) | View Plans | ||
| Verizon | (1) | (7) | (723) | View Plans | ||
| Google Fiber | (0) | (1) | (89) | View Plans | ||
| Centurylink | (0) | (23) | (163) | View Plans | ||
| AT&T | (0) | (1) | (924) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans |
South Lake Union Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the neighborhood and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for South Lake Union below, including the metrics used and how South Lake Union compares to the rest of Seattle and nation.
| Metric
(hover for details)
|
South Lake Union | Washington | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in South Lake Union that have a Fiber internet connection available to their home. | 97.07% | 58.50% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 2,000 Mbps | 3,023 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for South Lake Union. | 9.2 | 6.2 | 6.8 |
| Average Household SizeA larger household size in a neighborhood indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 1.4 | 2.6 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 37% | 21% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 99% | 98% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 96% | 95% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 88% | 84% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 88% | 85% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
South Lake Union ISP Report Card & Digital Connectivity Index
The ISP Report Card in South Lake Union is A-, which is much better than other neighborhoods. The local demand for broadband internet connectivity in South Lake Union is high with a score of 76 / 100 in our Digital Connectivity Index. This means that internet service providers operating in South Lake Union have done a good job meeting the needs of its residents.
The South Lake Union ISP Report Card evaluates the neighborhood on availability and speed metrics compared to other neighborhoods in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a neighborhood needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
96% of South Lake Union households have an internet connection despite having 99.58% availability. 88% of households have fiber, cable, or DSL, 3% have satellite, 0% are still on dial-up, and 2% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 88% of households have a broadband connection such as fiber, cable or DSL available to their home, 88% subscribe to it. A very large amount of South Lake Union residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Neighborhoods Compare to South Lake Union?
- ISP Report Card: A-
- Digital Connectivity Index: 73 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 75 / 100
- ISP Report Card: A
- Digital Connectivity Index: 79 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 74 / 100
- ISP Report Card: B
- Digital Connectivity Index: 69 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 49 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 78 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 71 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 79 / 100
How Much Speed does a South Lake Union Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in South Lake Union is 1.4, which is smaller than the Seattle average of 2.6 and smaller than the national average of 2.7. South Lake Union's average household income is $142,063 which is much higher than the Seattle average of $124,111 and much higher than the national average of $90,606. Homes with fewer people living in them and with higher incomes tend to indicate a fairly average device usage pattern.
South Lake Union also has 9% of its population enrolled in school between the 6th grade and college level, this is lower than the Seattle average of 15%. Additionally, 37% of residents work from home, which is higher than the 21% of residents in Seattle who work from home. This and other factors you can see above show us that the community of South Lake Union has a very high need for internet connectivity and speeds.
Compared to the rest of the country, South Lake Union households are much more technology-engaged. 99% of households have some sort of computing device, 94% have desktops or laptops in the home, and 97% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in South Lake Union?
Astound Broadband Fiber in South Lake Union, Seattle, WA
Astound Broadband offers Fiber service to 95.5% of South Lake Union homes. Across the neighborhood, Astound Broadband Fiber has speeds up to 2,000 Mbps
Quantum Fiber in South Lake Union, Seattle, WA
Quantum Fiber offers Fiber service to 77.4% of South Lake Union homes. Across the neighborhood, Quantum Fiber is the only type of service available from the company, with speeds up to 1,094 Mbps, with speeds from 940 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 940 and as high as 1,000, with an average of 949 Mbps throughout the neighborhood.
Centurylink Fiber in South Lake Union, Seattle, WA
Centurylink offers Fiber service to 63.5% of South Lake Union homes. Across the neighborhood, Centurylink Fiber has speeds up to 970 Mbps, with speeds from 100 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 100 and as high as 1,000, with an average of 893 Mbps throughout the neighborhood. Centurylink Fiber is rated higher than other types of internet service available in South Lake Union from Centurylink in terms of customer satisfaction.
XFINITY Fiber in South Lake Union, Seattle, WA
XFINITY from Comcast offers Fiber service to 37.9% of South Lake Union homes. Across the neighborhood, XFINITY Fiber has speeds up to 1,652 Mbps, with speeds from 1,000 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 2,000, with an average of 826 Mbps throughout the neighborhood. XFINITY Fiber is rated about the same as other types of internet service available in South Lake Union from XFINITY in terms of customer satisfaction.
Which Cable Internet Providers are Available in South Lake Union?
XFINITY Cable in South Lake Union, Seattle, WA
XFINITY from Comcast offers Cable service to 95.7% of South Lake Union homes. Across the neighborhood, XFINITY Cable has speeds up to 1,958 Mbps, with speeds from 1,200 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 2,000, with an average of 1,331 Mbps throughout the neighborhood. XFINITY Cable is rated about the same as other types of internet service available in South Lake Union from XFINITY in terms of customer satisfaction.
Astound Broadband Cable in South Lake Union, Seattle, WA
Astound Broadband offers Cable service to 73.4% of South Lake Union homes. Across the neighborhood, Astound Broadband Cable has speeds up to 1,500 Mbps
Which DSL Internet Providers are Available in South Lake Union?
Centurylink DSL in South Lake Union, Seattle, WA
Centurylink offers DSL service to 58.1% of South Lake Union homes. Across the neighborhood, Centurylink DSL has speeds up to 46 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 60, with an average of 5.5 Mbps throughout the neighborhood. Centurylink DSL is rated lower than other types of internet service available in South Lake Union from Centurylink in terms of customer satisfaction.
Astound Broadband DSL in South Lake Union, Seattle, WA
Astound Broadband offers DSL service to 16.1% of South Lake Union homes. Across the neighborhood, Astound Broadband DSL has speeds up to 1,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in South Lake Union?
EarthLink Fixed Wireless in South Lake Union, Seattle, WA
EarthLink offers Fixed Wireless service to 99.6% of South Lake Union homes. Across the neighborhood, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 76 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 15 Mbps throughout the neighborhood.
AT&T Fixed Wireless in South Lake Union, Seattle, WA
AT&T offers Fixed Wireless service to 99.6% of South Lake Union homes. Across the neighborhood, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 76 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 15 Mbps throughout the neighborhood.
T-Mobile Home Internet Fixed Wireless in South Lake Union, Seattle, WA
T-Mobile Home Internet offers Fixed Wireless service to 98.2% of South Lake Union homes. Across the neighborhood, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 60 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 11 Mbps throughout the neighborhood.
Verizon Fixed Wireless in South Lake Union, Seattle, WA
Verizon offers Fixed Wireless service to 83.1% of South Lake Union homes. Across the neighborhood, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 650 Mbps, with speeds from 300 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 75, with an average of 47 Mbps throughout the neighborhood.
Google Fiber Fixed Wireless in South Lake Union, Seattle, WA
Google Fiber offers Fixed Wireless service to 19.1% of South Lake Union homes. Across the neighborhood, Google Fiber Fixed Wireless is the only type of service available from the company, with speeds up to 1,000 Mbps
Which ISP Should You Choose in South Lake Union?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in South Lake Union is T-Mobile Home Internet.
- The fastest internet provider should be Astound Broadband. Considering speed for the money and reliability in speeds, Quantum Fiber may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in South Lake Union is T-Mobile Home Internet.
- Viasat, HughesNet, EarthLink, and AT&T has the broadest coverage in South Lake Union, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does South Lake Union compare to other cities with a similar population?
To see how South Lake Union stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to South Lake Union's A- ISP Report Card and 76 / 100 Digital Connectivity Index.
- ISP Report Card: B+
- Digital Connectivity Index: 58 / 100
- ISP Report Card: B
- Digital Connectivity Index: 66 / 100
- ISP Report Card: A+
- Digital Connectivity Index: 53 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 63 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 36 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 78 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 30 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 75 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 32 / 100
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