Residents of Sullivans Island have 2 internet providers to choose from. The most popular provider is AT&T, which offers DSL internet service. Over 1 recent tests, our research shows that AT&T customers have been getting 207 Mbps for download speeds and 221 Mbps for upload speeds. In addition to AT&T, cable internet service is also available from Xfinity.
While these are the real speeds we have been seeing in recent tests, there are many factors that affect download and upload speeds, so your actual service may differ.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| AT&T DSL | 207 Mbps | 221 Mbps | 31 ms |
| Xfinity Cable | 165 Mbps | 25 Mbps | 51 ms |
| * Data from speed tests taken in the last 3 months | |||
AT&T is the 2nd most popular provider in Sullivans Island offering DSL internet service. Users have been getting 207 Mbps for download speeds and 221 Mbps for upload speeds over 1 recent tests.
AT&T has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Sullivans Island. 100% of users saw download speeds between 100-250 Mbps, and 100% of users saw upload speeds between 100-250 Mbps.
Download Speeds
Upload Speeds
Xfinity is the most popular provider in Sullivans Island offering cable internet service. Users have been getting 165 Mbps for download speeds and 25 Mbps for upload speeds over 1 recent tests.
Xfinity has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Sullivans Island. 100% of users saw download speeds between 100-250 Mbps, and 100% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
We’ll run a download test and an upload test to give you the full picture of your internet connection.