T-Mobile 5G Home Internet is available in San Marcos. $35/mo with AutoPay & a phone line.• Sponsored Check availability on T-Mobile's Website • Sponsored
Filter by address or explore the map
San Marcos has 16 internet options – View all▼
San Marcos has multiple fiber providers, including Astound and Spectrum. Symmetric speeds of 8,000 Mbps are available in parts of the city.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Hotwire Communications | 8,000 | 8,000 | 6% |
| Astound | 1,500 | 1,500 | 76% |
| Brightspeed | 1,000 | 1,000 | 12% |
| Spectrum | 1,000 | 500 | 15% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Brightspeed | 100 | 10 | 88% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| VTX Communications | 400 | 50 | 97% |
| Verizon | 300 | 20 | 99% |
| MINTernet | 100 | 20 | 99% |
| T-Mobile | 100 | 20 | 99% |
| AT&T | 100 | 20 | 81% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Viasat | 100 | 3 | 100% |
| HughesNet | 50 | 5 | 100% |
| Provider | TechnologyTech | Download (Mbps) | Upload (Mbps) | AvailabilityCoverage |
|---|---|---|---|---|
| Frontier | Fiber | 7,000 | 7,000 | 2% |
| Spry Air Fiber | Fixed WirelessFixed Wireless | 100 | 50 | 5% |
| Guadalupe Valley Electric Coop | Fixed WirelessFixed Wireless | 100 | 20 | 0.4% |
Broadband Map's availability estimates are based on the census boundaries of San Marcos. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in San Marcos rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing San Marcos ISPs' availability as of June 2025).