Xfinity is available in Nantucket. Call 833‑848‑2575 • Sponsored Xfinity is available in Nantucket. Check plans and availability ↗ or call 833‑848‑2575 • Sponsored
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Nantucket has 6 internet options – View all▼
The best technology available in Nantucket is cable. Symmetric speeds of 2,000 Mbps are available in parts of the city.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Xfinity | 2,000 | 2,000 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 300 | 20 | 82% |
| T-Mobile | 100 | 20 | 95% |
| AT&T | 100 | 20 | 60% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| HughesNet | 100 | 5 | 100% |
Broadband Map's availability estimates are based on the census boundaries of Nantucket. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in Nantucket rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing Nantucket ISPs' availability as of June 2025).