In South Deer Isle there is 1 residential DSL provider covering 92.45% of the city. The average home can get speeds up to 10 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 DSL internet providers in South Deer Isle, ME.
To see availability maps for all providers including fiber, cable, DSL, and more in South Deer Isle, ME please click below.
South Deer Isle, ME Availability Maps
DSL Internet Service Provider in South Deer Isle
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 South Deer Isle are not shown.
South Deer Isle 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 South Deer Isle is DSL internet available?
DSL Internet Availability Key
DSL is available in 92.45% of South Deer Isle. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Fidium. Call one of the companies with service in South Deer Isle above to see who has service at your home.
How fast is DSL internet in South Deer Isle?
The map below shows maximum DSL internet speeds by area in South Deer Isle.
DSL Internet Speed Key
The average South Deer Isle home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 10 Mbps, which 92.45% of residents can get.
Is DSL the fastest internet I can get in South Deer Isle?
The fastest internet for you may vary based on where in South Deer Isle you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 93.71% of South Deer Isle homes.
- Cable is fastest for less than 1% 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 6.29% of South Deer Isle homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in South Deer Isle, along with details on where in South Deer Isle and at what speeds.
Fidium Fiber DSL in South Deer Isle, ME
Fidium DSL coverage
About 92.45%, or 147 people, have Fidium DSL internet available to them in the city. The company covers the entire South Deer Isle area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in most of South Deer Isle.
Fidium Fiber DSL download speeds
Fidium is one of the slowest when comparing download speeds to all other internet providers in South Deer Isle. Versus other DSL providers in the area, Fidium DSL is the fastest. There are no different maximum speeds throughout South Deer Isle. The fastest plan anyone in South Deer Isle can order from Fidium goes up to 10 Mbps, and all South Deer Isle customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In South Deer Isle download speeds tend to be faster than than upload speeds for Fidium DSL. Compared to other ISPs, Fidium is one of the slowest where upload speeds are concerned, and the fastest compared to other South Deer Isle DSL providers. Fidium offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in South Deer Isle is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
South Deer Isle DSL by Area
This information is most helpful to those looking for homes or considering moving to South Deer Isle or any of the areas nearby.
How does DSL internet in South Deer Isle compare to the rest of Maine?
DSL internet speeds in South Deer Isle are much faster versus the average speeds in Maine: 0.00 Mbps in Maine versus 10 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Maine is 0.00% versus 92.45% in South Deer Isle.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around South Deer Isle are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL 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
- Stonington, ME: less DSL coverage, similar speeds
- West Stonington, ME: more DSL coverage, similar speeds
- Deer Isle, ME: less DSL coverage, faster speeds
- Sunset, ME: less DSL coverage, similar speeds
- Isle Au Haut, ME: more DSL coverage, faster speeds
- Pulpit Harbor, ME: more DSL coverage, faster speeds
- Brooklin, ME: less DSL coverage, similar speeds
- Swans Island, ME: less DSL coverage, faster speeds
- North Haven, ME: less DSL coverage, faster speeds
- Vinalhaven, ME: more DSL coverage, faster speeds
Cities with Similar Populations
- Pancake, TX: less DSL coverage, faster speeds
- Pamlico, NC: more DSL coverage, faster speeds
- Palermo, KS: less DSL coverage, faster speeds
- Pailo, TN: more DSL coverage, similar speeds
- Ozona, MS: more DSL coverage, faster speeds
- Ozark Acres, AR: more DSL coverage, faster speeds
- Ouachita, AR: less DSL coverage, similar speeds
- Osceola, IL: less DSL coverage, faster speeds
- Oriole, IN: less DSL coverage, faster speeds
- Oregon City, CA: less DSL coverage, similar speeds