In Southwest Harbor there are 8 residential internet providers covering 98.98% of the city. The average home can get speeds up to 999 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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8 Internet Service Providers in Southwest Harbor
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 Southwest Harbor are not shown.
Southwest Harbor 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 Southwest Harbor
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 98.98% of Southwest Harbor. 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 Spectrum. Now you can call companies in Southwest Harbor with more confidence that they might be available.
How fast are internet speeds in Southwest Harbor?
The map below shows maximum internet speeds by area in Southwest Harbor.
Internet Speed Key
The average Southwest Harbor home can get up to 999 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 98.83% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in Southwest Harbor.
Internet speeds tend to be faster in the central parts of Southwest Harbor, and slower in the east areas of the city.
What type of internet should I choose in Southwest Harbor?
The fastest internet for you may vary based on where in Southwest Harbor you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for less than 1% of Southwest Harbor homes.
- Cable is fastest for 98.83% 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 1.02% of Southwest Harbor homes.
Internet Market Health in Southwest Harbor
Internet Competition Key
The map shows how competitive the Southwest Harbor 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 Southwest Harbor based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.7 (healthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 5.0 (healthy)
Overall, competition is healthy.
Southwest Harbor internet customers have the ability to buy internet service from 2 to 6 different providers, depending on where they live. For different types of service, Southwest Harbor homes have between 2 and 3 options. The type(s) of service available are dsl, cable, and fixed wireless, 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. Southwest Harbor internet customers who want faster speeds have between 1 and 6 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, Southwest Harbor is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Southwest Harbor, along with details on where in Southwest Harbor and at what speeds.
Fidium Fiber DSL in Southwest Harbor, ME
Fidium DSL coverage
About 98.98%, or 1,354 people, have Fidium DSL internet available to them in the city. The company covers the entire Southwest Harbor area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in most of Southwest Harbor.
Fidium Fiber DSL download speeds
Fidium is below average when comparing download speeds to all other internet providers in Southwest Harbor. Versus other DSL providers in the area, Fidium DSL is the fastest. There are 3 different maximum speeds throughout Southwest Harbor. The fastest plan anyone in Southwest Harbor can order from Fidium goes up to 80 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Southwest Harbor customers is up to 54 Mbps.
Show all download speeds
- 43.1% up to 80.0 Mbps
- 26.8% up to 60.0 Mbps
- 30.1% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In Southwest Harbor download speeds tend to be faster than than upload speeds for Fidium DSL. Compared to other ISPs, Fidium is average where upload speeds are concerned, and the fastest compared to other Southwest Harbor DSL providers. Fidium offers 3 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 Southwest Harbor is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Fidium customers can get speeds up to 12 Mbps.
Show all upload speeds
- 43.1% up to 20.0 Mbps
- 26.8% up to 10.0 Mbps
- 30.1% up to 1.0 Mbps
Spectrum Cable in Southwest Harbor, ME
Spectrum cable coverage
About 98.83%, or 1,352 people, have Spectrum cable internet available to them in the city. The company covers the entire Southwest Harbor area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Southwest Harbor.
Spectrum cable download speeds
Spectrum is the fastest when comparing download speeds to all other internet providers in Southwest Harbor. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Southwest Harbor. The fastest plan anyone in Southwest Harbor can order from Spectrum goes up to 1,000 Mbps, and all Southwest Harbor customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Southwest Harbor download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is the fastest where upload speeds are concerned, and the fastest compared to other Southwest Harbor cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Southwest Harbor is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
US Cellular Fixed Wireless in Southwest Harbor, ME
US Cellular fixed wireless coverage
About 96.35%, or 1,318 people, have US Cellular fixed wireless internet available to them in the city. The company covers the entire Southwest Harbor area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in most of Southwest Harbor.
US Cellular fixed wireless download speeds
US Cellular is the slowest when comparing download speeds to all other internet providers in Southwest Harbor. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are 2 different maximum speeds throughout Southwest Harbor. The fastest plan anyone in Southwest Harbor can order from US Cellular goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Southwest Harbor customers is up to 19 Mbps.
Show all download speeds
- 57.1% up to 25.0 Mbps
- 42.9% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Southwest Harbor download speeds tend to be faster than than upload speeds for US Cellular fixed wireless. Compared to other ISPs, US Cellular is the slowest where upload speeds are concerned, and the slowest compared to other Southwest Harbor fixed wireless providers. US Cellular 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 Southwest Harbor is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, US Cellular customers can get speeds up to 2.1 Mbps.
Show all upload speeds
- 57.1% up to 3.0 Mbps
- 42.9% up to 1.0 Mbps
EarthLink Fixed Wireless in Southwest Harbor, ME
EarthLink fixed wireless coverage
About 94.01%, or 1,286 people, have EarthLink fixed wireless internet available to them in the city. The company covers the central, north, east, southeast, northwest, and northeast Southwest Harbor area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Southwest Harbor.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Southwest Harbor. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the fastest. There are 2 different maximum speeds throughout Southwest Harbor. The fastest plan anyone in Southwest Harbor 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 Southwest Harbor customers is up to 57 Mbps.
Show all download speeds
- 42.1% up to 100.0 Mbps
- 57.9% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Southwest Harbor download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is average where upload speeds are concerned, and one of the fastest compared to other Southwest Harbor 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 Southwest Harbor 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 10 Mbps.
Show all upload speeds
- 42.1% up to 20.0 Mbps
- 57.9% up to 3.0 Mbps
AT&T Fixed Wireless in Southwest Harbor, ME
AT&T fixed wireless coverage
About 94.01%, or 1,286 people, have AT&T fixed wireless internet available to them in the city. The company covers the central, north, east, southeast, northwest, and northeast Southwest Harbor area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Southwest Harbor.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Southwest Harbor. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the fastest. There are 2 different maximum speeds throughout Southwest Harbor. The fastest plan anyone in Southwest Harbor 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 Southwest Harbor customers is up to 57 Mbps.
Show all download speeds
- 42.1% up to 100.0 Mbps
- 57.9% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Southwest Harbor download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is average where upload speeds are concerned, and one of the fastest compared to other Southwest Harbor 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 Southwest Harbor 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 10 Mbps.
Show all upload speeds
- 42.1% up to 20.0 Mbps
- 57.9% up to 3.0 Mbps
T-Mobile Home Internet Fixed Wireless in Southwest Harbor, ME
T-Mobile Home Internet fixed wireless coverage
About 84.21%, or 1,152 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the central, north, east, southeast, northwest, and northeast Southwest Harbor area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of Southwest Harbor.
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 Southwest Harbor. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Southwest Harbor. The fastest plan anyone in Southwest Harbor 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 Southwest Harbor customers is up to 25 Mbps.
Show all download speeds
- 0.2% up to 100.0 Mbps
- 99.8% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Southwest Harbor 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 average where upload speeds are concerned, and below average compared to other Southwest Harbor 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 Southwest Harbor 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 3.0 Mbps.
Show all upload speeds
- 0.2% up to 20.0 Mbps
- 99.8% up to 3.0 Mbps
Southwest Harbor Internet by Area
This information is most helpful to those looking for homes or considering moving to Southwest Harbor or any of the areas nearby.
How does internet in Southwest Harbor compare to the rest of Maine?
Internet speeds in Southwest Harbor are slower versus the average speeds in Maine: 1,729 Mbps in Maine versus 999 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Maine is 98.93% versus 98.98% in Southwest Harbor.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Southwest Harbor 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
- Seawall, ME: more internet coverage, faster speeds
- Bass Harbor, ME: more internet coverage, slower speeds
- Bernard, ME: more internet coverage, faster speeds
- Seal Cove, ME: less internet coverage, faster speeds
- Cranberry Isles, ME: more internet coverage, faster speeds
- Mount Desert, ME: more internet coverage, faster speeds
- Islesford, ME: more internet coverage, faster speeds
- Seal Harbor, ME: more internet coverage, faster speeds
- Frenchboro, ME: less internet coverage, slower speeds
- Indian Point, ME: less internet coverage, faster speeds
Cities with Similar Populations
- Viola, KS: more internet coverage, faster speeds
- Doe Run, MO: more internet coverage, faster speeds
- Donahue, IA: more internet coverage, faster speeds
- Eastford, CT: more internet coverage, faster speeds
- St. Marys City, MD: less internet coverage, faster speeds
- Sterling City, TX: less internet coverage, slower speeds
- Turkey Creek, LA: more internet coverage, slower speeds
- Valley View, PA: more internet coverage, faster speeds
- Vernon Center, NY: less internet coverage, slower speeds
- Aroma Park, IL: less internet coverage, faster speeds