6 Best Internet Providers in St. Mary's County, MD
Find internet availability by address in St. Mary's County, MD
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | St. Mary's County ISP Report Card | Business Internet in St. Mary's County
| St. Mary's County ISP Report Card | C+ | |
| Download Speed for Most Households | 1,310 Mbps | |
| Number of Internet Service Providers | 6 | |
| Real St. Mary's County Customer Ratings | 5 |
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.
St. Mary's County has 6 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, and Fixed Wireless internet are available in the county. Reviews are grouped by provider and the type of service they offer, covering all 3 available internet technologies in St. Mary's County.
▼
St. Mary's County has 6 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, and Fixed Wireless internet are available in the county. Reviews are grouped by provider and the type of service they offer, covering all 3 available internet technologies in St. Mary's County.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
Atlantic Broadband
Connection
Customer Rating
Cable
XFINITY
Connection
Customer Rating
Fiber
Cable
EarthLink
Connection
Customer Rating
Fiber
Fixed Wireless
Verizon
Connection
Customer Rating
Fiber
Fixed Wireless
Above are the top 4 providers in St. Mary's County, MD for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your county.
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 St. Mary's County ratings may vary and are shown below.
Who is the Best Internet Provider in St. Mary's County, MD?
XFINITY from Comcast is the best internet provider in St. Mary's County based on Maryland customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, XFINITY from Comcast had the best reviews at the local, state, and national levels versus all available providers in St. Mary's County, making it a solid recommendation among providers with reviews. XFINITY from Comcast is an option for 58.58% of the county.
Click here to get XFINITY from Comcast
or call 1-877-244-3013
The chart and table below show average customer ratings from customers in St. Mary's County, Maryland, and customers throughout the country.
Top Rated Internet Providers in St. Mary's County
Local, State, and National Ratings for all St. Mary's County Internet Providers
| ISP / Tech Type | St. Mary's County Overall | Maryland Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (1) | (65) | (2164) | View Plans | ||
| Atlantic Broadband | (4) | (13) | (63) | View Plans | ||
| Verizon | (0) | (61) | (723) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| AT&T | (0) | (3) | (924) | View Plans | ||
| T-Mobile Home Internet | (0) | (9) | (284) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans |
Based on 154 reviews from Maryland internet customers, XFINITY from Comcast is the best internet service provider for St. Mary's County residents. XFINITY from Comcast was rated at an average of 3.23 out of 5 in our report for overall customer satisfaction. Atlantic Broadband wins for second-place in Maryland, with 2.25 out of 5 stars and 94.2% coverage in St. Mary's County.
At a national level, based on 4199 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.04 out of 5.
Which Providers are Available at my Home in St. Mary's County?
a different provider.

Internet Availability Key
Speeds and coverage vary within the county, 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 St. Mary's County?
Based on both FCC data and unbiased customer ratings in St. Mary's County, the fastest internet in the county comes from XFINITY from Comcast.
Data Reported to FCC by ISPs: Average Maximum Available in St. Mary's County
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Verizon | 2,048 Mbps | ||
| EarthLink | 2,048 Mbps | ||
| XFINITY from Comcast | 2,000 Mbps | ||
| Atlantic Broadband | 1,000 Mbps | ||
| AT&T | 100 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in St. Mary's County
| ISP / Tech Type | St. Mary's County Speed | Maryland Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (1) | (65) | (2164) | View Plans | ||
| Atlantic Broadband | (4) | (13) | (63) | View Plans | ||
| Verizon | (0) | (61) | (723) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| AT&T | (0) | (3) | (924) | View Plans | ||
| T-Mobile Home Internet | (0) | (9) | (284) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans |
Based on data reported by St. Mary's County ISPs to the FCC, the fastest speeds in the county are available through XFINITY from Comcast. The company offers speeds up to 2,048 Mbps in St. Mary's County. Therefore, the average customer can get up to 1,237 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
However, actual customers in the county rated their satisfaction with internet speed highest with XFINITY from Comcast. This indicates XFINITY reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in St. Mary's County?
Maryland customers rate XFINITY from Comcast as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
XFINITY from Comcast received a local rating of 4.00 out of 5, which is lower than the average across all internet providers in the country. Atlantic Broadband is rated in second place for affordability by the company’s St. Mary's County customers with an average price rating of 2.25 out of 5.
The chart and graph below show how customers in St. Mary's County, Maryland, and the United States rated the affordability of their internet service.
Rated Affordability in St. Mary's County
| ISP / Tech Type | St. Mary's County Affordability | Maryland Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (1) | (65) | (2164) | View Plans | ||
| Atlantic Broadband | (4) | (13) | (63) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| Verizon | (0) | (61) | (723) | View Plans | ||
| AT&T | (0) | (3) | (924) | View Plans | ||
| T-Mobile Home Internet | (0) | (9) | (284) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans |
St. Mary's County 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 county 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 St. Mary's County below, including the metrics used and how St. Mary's County compares to the rest of Maryland and nation.
| Metric
(hover for details)
|
St. Mary's County | Maryland | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in St. Mary's County that have a Fiber internet connection available to their home. | 63.20% | 75.50% | 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. | 1,310 Mbps | 2,041 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 St. Mary's County. | 4.6 | 6.0 | 6.8 |
| Average Household SizeA larger household size in a county indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.7 | 2.7 | 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. | 15% | 17% | 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. | 95% | 96% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 91% | 92% | 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. | 80% | 80% | 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. | 82% | 81% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
St. Mary's County ISP Report Card & Digital Connectivity Index
The ISP Report Card in St. Mary's County is C+, which is much better than other counties. The local demand for broadband internet connectivity in St. Mary's County is high with a score of 76 / 100 in our Digital Connectivity Index. This means that internet service providers operating in St. Mary's County have done a good job meeting the needs of its residents.
The St. Mary's County ISP Report Card evaluates the county on availability and speed metrics compared to other counties in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a county 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.
91% of St. Mary's County households have an internet connection despite having 97.90% availability. 80% of households have fiber, cable, or DSL, 6% have satellite, 0% are still on dial-up, and 1% 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 80% of households have a broadband connection such as fiber, cable or DSL available to their home, 82% subscribe to it. A very large amount of St. Mary's County 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 Counties Compare to St. Mary's County?
- ISP Report Card: C-
- Digital Connectivity Index: 74 / 100
- ISP Report Card: B
- Digital Connectivity Index: 92 / 100
- ISP Report Card: B
- Digital Connectivity Index: 67 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 60 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 86 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 55 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 61 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 61 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 36 / 100
How Much Speed does a St. Mary's County Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in St. Mary's County is 2.7, which is larger than the Maryland average of 2.7 and larger than the national average of 2.7. St. Mary's County's average household income is $122,057 which is higher than the Maryland average of $115,317 and much higher than the national average of $90,606. Homes with more people living in them and with higher incomes tend to indicate more devices being used more often.
St. Mary's County also has 16% of its population enrolled in school between the 6th grade and college level, this is lower than the Maryland average of 17%. Additionally, 15% of residents work from home, which is lower than the 17% of residents in Maryland who work from home. This and other factors you can see above show us that the community of St. Mary's County has a very high need for internet connectivity and speeds.
Compared to the rest of the country, St. Mary's County households are more technology-engaged. 95% of households have some sort of computing device, 88% have desktops or laptops in the home, and 92% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in St. Mary's County?
XFINITY Fiber in St. Mary's County, MD
XFINITY from Comcast offers Fiber service to 52.9% of St. Mary's County homes. Across the county, XFINITY Fiber has speeds up to 1,144 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 1,000, with an average of 948 Mbps throughout the county. XFINITY Fiber is rated about the same as other types of internet service available in St. Mary's County from XFINITY in terms of customer satisfaction.
EarthLink Fiber in St. Mary's County, MD
EarthLink offers Fiber service to 18.8% of St. Mary's County homes. Across the county, EarthLink Fiber has speeds up to 1,880 Mbps, with speeds from 940 Mpbs up to 2,048 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 880 and as high as 2,048, with an average of 1,871 Mbps throughout the county. EarthLink Fiber is rated about the same as other types of internet service available in St. Mary's County from EarthLink in terms of customer satisfaction.
Verizon Fiber in St. Mary's County, MD
Verizon offers Fiber service to 18.8% of St. Mary's County homes. Across the county, Verizon Fiber has speeds up to 1,880 Mbps, with speeds from 940 Mpbs up to 2,048 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 880 and as high as 2,048, with an average of 1,871 Mbps throughout the county. Verizon Fiber is rated about the same as other types of internet service available in St. Mary's County from Verizon in terms of customer satisfaction.
Which Cable Internet Providers are Available in St. Mary's County?
Atlantic Broadband Cable in St. Mary's County, MD
Atlantic Broadband offers Cable service to 94.1% of St. Mary's County homes. Across the county, Atlantic Broadband Cable is the only type of service available from the company, with speeds up to 1,000 Mbps
XFINITY Cable in St. Mary's County, MD
XFINITY from Comcast offers Cable service to 11.0% of St. Mary's County homes. Across the county, XFINITY Cable has speeds up to 1,780 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 250, with an average of 200 Mbps throughout the county. XFINITY Cable is rated about the same as other types of internet service available in St. Mary's County from XFINITY in terms of customer satisfaction.
Which DSL Internet Providers are Available in St. Mary's County?
According to the most recently submitted data by internet service providers to the FCC, there are currently no DSL providers available in St. Mary's County, MD.
Which Fixed Wireless and LTE Internet Providers are Available in St. Mary's County?
T-Mobile Home Internet Fixed Wireless in St. Mary's County, MD
T-Mobile Home Internet offers Fixed Wireless service to 92.6% of St. Mary's County homes. Across the county, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 72 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 14 Mbps throughout the county.
EarthLink Fixed Wireless in St. Mary's County, MD
EarthLink offers Fixed Wireless service to 61.5% of St. Mary's County homes. Across the county, EarthLink Fixed Wireless has speeds up to 52 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 9.1 Mbps throughout the county.
AT&T Fixed Wireless in St. Mary's County, MD
AT&T offers Fixed Wireless service to 61.5% of St. Mary's County homes. Across the county, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 52 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 9.1 Mbps throughout the county.
Verizon Fixed Wireless in St. Mary's County, MD
Verizon offers Fixed Wireless service to 42.7% of St. Mary's County homes. Across the county, Verizon Fixed Wireless has speeds up to 300 Mbps
Which ISP Should You Choose in St. Mary's County?
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 St. Mary's County is XFINITY.
- The fastest internet provider should be XFINITY from Comcast. Considering speed for the money and reliability in speeds, XFINITY from Comcast may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in St. Mary's County is XFINITY.
- Atlantic Broadband, Viasat, and HughesNet has the broadest coverage in St. Mary's County, 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 St. Mary's County compare to other cities with a similar population?
To see how St. Mary's County 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 St. Mary's County's C+ ISP Report Card and 76 / 100 Digital Connectivity Index.
- ISP Report Card: B
- Digital Connectivity Index: 68 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 46 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 66 / 100
- ISP Report Card: B
- Digital Connectivity Index: 65 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 93 / 100
- ISP Report Card: B
- Digital Connectivity Index: 57 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 54 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 60 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 64 / 100
(1)