Internet Speeds in Miami, AZ

There are 2 internet providers operating in Miami, the most popular being Sparklight. Sparklight offers cable internet service. In 132 recent tests, on average, we have been seeing 57 Mbps for download speeds and 50 Mbps for upload speeds for Sparklight customers. In addition to Sparklight, DSL and fiber internet service is also available from CenturyLink.

While these are the real speeds we have been seeing in our research, there are many factors that go into the actual download and upload speeds you will encounter.

Last updated on March 18, 2024
ProviderDownload SpeedUpload SpeedLatency
View Details →
57 Mbps50 Mbps15 ms
View Details →
6 Mbps1 Mbps18 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Miami, AZ



Download Speed


Upload Speed





Sparklight is the most popular provider in Miami offering cable internet service. Users have been getting 57 Mbps for download speeds and 50 Mbps for upload speeds over 132 recent tests.

Performance Breakdown

Sparklight has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Miami. 61% of users saw download speeds between 50-100 Mbps, and 44% of users saw upload speeds between 50-100 Mbps.

Download Speeds

Upload Speeds

Recent Sparklight Speed Tests in Miami

DateDownload SpeedUpload SpeedLatency
March 16, 202457 Mbps50 Mbps14 ms
March 15, 202451 Mbps19 Mbps17 ms
March 14, 202457 Mbps52 Mbps14 ms
March 8, 202436 Mbps18 Mbps13 ms
March 7, 20242 Mbps6 Mbps179 ms
March 6, 20244 Mbps9 Mbps16 ms
March 6, 2024402 Mbps22 Mbps14 ms
March 6, 202457 Mbps52 Mbps15 ms
March 5, 20242 Mbps1 Mbps44 ms
March 1, 202458 Mbps50 Mbps14 ms

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Frequently Asked Questions

What internet providers are available in Miami, AZ?

Sparklight and CenturyLink currently operate in Miami.

What is the most popular internet provider in Miami, AZ?

Sparklight is currently the most popular internet provider in Miami based on the number of speed tests in the last 3 months.

What is the fastest internet provider in Miami, AZ?

The fastest internet provider for you is going to differ based on your needs, and which providers actually serve your home. However, when it comes to the real speeds users in Miami are getting, Sparklight provides the fastest download speeds and Sparklight provides the fastest upload speeds.

Is there fiber internet in Miami, AZ?

CenturyLink provides fiber internet in Miami.