CoverageMap

Key West

Cell coverage comparison in Key West, Florida

US

Based on crowdsourced speed tests and signal measurements in Key West, Florida, the current snapshot reflects over 2,200 speed tests and shows medians of 110.2 Mbps download, 11.6 Mbps upload, and 37 ms latency.

Performance by Carrier in Key West

Explore median download speeds, upload performance, and network latency for each major mobile carrier in Key West, calculated from millions of real-world, crowdsourced speed tests. These results reflect typical everyday performance to help you compare carriers and choose the network that delivers the fastest speeds, most responsive connections, and broadest coverage where you live, work, and travel.

AT&T logo
Download150.7 Mbps
Upload9.9 Mbps
Latency39 ms
Coverage64.6%

Over 1,000 tests conducted

T-Mobile logo
Download245.0 Mbps
Upload15.0 Mbps
Latency35 ms
Coverage71.6%

Over 300 tests conducted

Verizon logo
Download49.9 Mbps
Upload13.2 Mbps
Latency37 ms
Coverage88.0%

Over 800 tests conducted

Performance by Carrier shows side-by-side results for the primary mobile providers measured in Key West. Each row reflects median download, upload, and latency for that carrier.

Providers included in this comparison are Verizon, T-Mobile, AT&T. Per-carrier test counts are shown in the table to indicate data accuracy.

Network Performance in Key West

Get a complete view of mobile network performance across Key West with overall benchmarks and carrier-by-carrier breakdowns. Explore median performance metrics calculated from millions of real-world, crowdsourced speed tests. Start with the Key West-wide snapshot to understand overall network trends, then dive deeper to compare individual carriers side-by-side and see how each performs in speed, responsiveness, and availability.

Median Performance

Download

110.2Mbps

Upload

11.6Mbps

Latency

37ms

Top Performers

Fastest Download: T-Mobile

245.0 Mbps

Fastest Upload: T-Mobile

15.0 Mbps

Best Latency: T-Mobile

35 ms

Best Coverage: Verizon

88.0%

Coverage Snapshot

5G73.1%
4G LTE88.0%
Based on over 2,200 speed tests

Network Performance aggregates all measured carriers in Key West to provide a baseline view of typical speeds and latency in the area. Use these medians as a quick indicator of overall network quality.

These medians are calculated from over 2,200 tests. Current medians are 110.2 Mbps download, 11.6 Mbps upload, and 37 ms latency.

Cell Phone Plans for Key West

Compare wireless plans from carriers with coverage in this area.

Helium Mobile Zero

$0/mo

Monthly plan

T-Mobile
  • 1 GB Data1GB cellular + 2GB Helium Wi-Fi
  • No Hotspot Included
  • 100 Minutes
  • 300 Texts

MobileX Custom

$0/mo

Monthly plan

Verizon
  • No Data Included
  • Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts

MobileX 150 Mins 150 Texts

$4.48/mo

Monthly plan

Verizon
  • No Data Included
  • No Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts

Helium Mobile Sprout

$5/mo

Monthly plan

T-Mobile
  • 3 GB Datahigh-speed, then data stops
  • No Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts

Red Pocket 500MB 12 Months

$5/mo

12 month term

AT&T
T-Mobile
Verizon
  • 0.5 GB Datahigh-speed, then Unknown
  • Hotspot Included
  • 500 Minutes
  • 500 Texts

Tello 100 Mins

$5/mo

Monthly plan

T-Mobile
  • No Data Included
  • No Hotspot Included
  • 100 Minutes
  • Unlimited Texts

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Cell Coverage in Key West: FAQ

What is the best cell phone carrier in Key West?

Based on crowdsourced speed tests in Key West, T-Mobile currently leads in median download speeds. Compare carriers in the performance table above for the latest results.

Why might this page show limited data for Key West?

We need at least 25 recent speed tests to generate reliable local metrics. If we don't have enough tests yet, the page focuses on maps and nearby locations while we keep collecting data.

How can I check coverage at my specific address in Key West?

Use the interactive map to check signal strength at your exact address. Visit the CoverageMap interactive map to explore 4G/5G availability.

How can I contribute coverage data for Key West?

Download the CoverageMap app and run a few speed tests with location enabled. Your results help improve coverage accuracy and unlock local rankings faster.

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View Interactive Map

Explore detailed coverage data for Key West on our interactive map.

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Key West, Florida Cell Coverage | CoverageMap