In Sister Bay there are 2 residential Fiber providers covering 11.78% of the city. The average home can get speeds up to 1,000 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 Fiber internet providers in Sister Bay, WI.
To see availability maps for all providers including fiber, cable, DSL, and more in Sister Bay, WI please click below.
Sister Bay, WI Availability Maps
Fiber Internet Service Providers in Sister Bay
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 Sister Bay are not shown.
Sister Bay 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 Sister Bay is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 11.78% of Sister Bay. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in Sister Bay above to see who has service at your home.
How fast is fiber internet in Sister Bay?
The map below shows maximum fiber internet speeds by area in Sister Bay.
Fiber Internet Speed Key
The average Sister Bay home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 1,000 Mbps, which 11.78% of residents can get.
Is fiber the fastest internet I can get in Sister Bay?
The fastest internet for you may vary based on where in Sister Bay you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 11.78% of Sister Bay homes.
- Cable is fastest for 67.21% of the city.
- DSL is fastest for 5.45%.
- Fixed wireless is fastest for 15.56%.
- Satellite internet may be the only option for less than 1% of Sister Bay homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Sister Bay, along with details on where in Sister Bay and at what speeds.
Spectrum Fiber in Sister Bay, WI
Spectrum fiber coverage
About 9.92%, or 202 people, have Spectrum fiber internet available to them in the city. The company covers the south Sister Bay area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sister Bay.
Spectrum fiber download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Sister Bay. Versus other fiber providers in the area, Spectrum fiber is one of the fastest. There are no different maximum speeds throughout Sister Bay. The fastest plan anyone in Sister Bay can order from Spectrum goes up to 1,000 Mbps, and all Sister Bay customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Sister Bay download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other Sister Bay fiber providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sister Bay is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Bertram Internet Fiber in Sister Bay, WI
Bertram Internet fiber coverage
About 1.87%, or 38 people, have Bertram Internet fiber internet available to them in the city. The company covers the southeast and southwest Sister Bay area. Bertram Internet is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Sister Bay.
Bertram Internet fiber download speeds
Bertram Internet is one of the fastest when comparing download speeds to all other internet providers in Sister Bay. Versus other fiber providers in the area, Bertram Internet fiber is one of the fastest. There are no different maximum speeds throughout Sister Bay. The fastest plan anyone in Sister Bay can order from Bertram Internet goes up to 1,000 Mbps, and all Sister Bay customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Bertram Internet fiber upload speeds
In Sister Bay download speeds tend to be equal to than upload speeds for Bertram Internet fiber. Compared to other ISPs, Bertram Internet is the fastest where upload speeds are concerned, and the fastest compared to other Sister Bay fiber providers. Bertram Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sister Bay is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Sister Bay Fiber by Area
This information is most helpful to those looking for homes or considering moving to Sister Bay or any of the areas nearby.
How does fiber internet in Sister Bay compare to the rest of Wisconsin?
Fiber internet speeds in Sister Bay are much faster versus the average speeds in Wisconsin: 0.00 Mbps in Wisconsin versus 1,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Wisconsin is 0.00% versus 11.78% in Sister Bay.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Sister Bay 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
- Ephraim, WI: less fiber coverage, similar speeds
- Ellison Bay, WI: less fiber coverage, similar speeds
- Fish Creek, WI: more fiber coverage, similar speeds
- Gills Rock, WI: more fiber coverage, similar speeds
- Baileys Harbor, WI: more fiber coverage, faster speeds
- Egg Harbor, WI: less fiber coverage, faster speeds
- Jacksonport, WI: more fiber coverage, faster speeds
- Cedar River, MI: more fiber coverage, similar speeds
- Menominee, MI: less fiber coverage, similar speeds
- Fox, MI: more fiber coverage, similar speeds
Cities with Similar Populations
- Titus, AL: more fiber coverage, similar speeds
- West Glendive, MT: less fiber coverage, similar speeds
- Farwell, TX: more fiber coverage, similar speeds
- Greenbank, WA: more fiber coverage, faster speeds
- Ventress, LA: more fiber coverage, faster speeds
- Vardaman, MS: more fiber coverage, faster speeds
- Traer, IA: more fiber coverage, faster speeds
- Gallatin Gateway, MT: more fiber coverage, similar speeds
- Skeels, MI: more fiber coverage, faster speeds
- Sheridan, CA: more fiber coverage, faster speeds