Xfinity is available in Crystal Lake. Call 833-848-2575 • Sponsored Xfinity is available in Crystal Lake. Check plans and availability or call 833-848-2575 • Sponsored
Filter by address or explore the map
Crystal Lake has 13 internet options – View all▼
Crystal Lake has two fiber providers, i3 and AT&T. Symmetric speeds of 8,000 Mbps are available in parts of the city.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| i3 | 8,000 | 8,000 | 32% |
| AT&T | 5,000 | 5,000 | 28% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Xfinity | 2,000 | 250 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| AT&T | 100 | 20 | 61% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 300 | 20 | 92% |
| MINTernet | 100 | 20 | 100% |
| T-Mobile | 100 | 20 | 100% |
| Fox Valley Internet, Opiquad LLC, Getgoing Infrastructure Group | 100 | 20 | 24% |
| AT&T | 100 | 20 | 11% |
| e-vergent | 100 | 10 | 51% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| HughesNet | 100 | 5 | 100% |
| Viasat | 50 | 3 | 100% |
Broadband Map's availability estimates are based on the census boundaries of Crystal Lake. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in Crystal Lake rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing Crystal Lake ISPs' availability as of June 2025).