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Best Internet providers in Key Largo, FL

What are the best internet providers in Key Largo?

The top 10 best Key Largo internet providers of May 2026 are: AT&T, Xfinity and Mediacom Communications.

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Top rated internet providers for Key Largo, FL are:

AT&T - Best customer service
Xfinity - Fastest cable internet starting from $19.99/mo.
Mediacom Communications - Best Value
HughesNet - Best satellite internet provider

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Compare Best Home Internet Providers in Key Largo, FL

#1 AT&T Internet in Key Largo, FL

AT&T best internet plans for Key Largo, FL

AT&T Fiber 300 Mbps

$55/mo. for 12 mos.

Good Internet speed for connecting 10+ devices at same time
Max Internet Speed: 300/300 Mbps
$200 Reward Card
Internet usage limit: none

AT&T Fiber 500 Mbps

$65/mo. for 12 mos.

Good Internet speed for connecting 10+ devices at same time
Max Internet Speed: 500/500 Mbps
$200 Reward Card
Internet usage limit: none

AT&T Fiber 1000 Mbps

$80/mo. for 12 mos.

Good Internet speed for connecting unlimited devices at same time
Max Internet Speed: 940/880 Mbps
$200 Reward Card
Internet usage limit: none

AT&T DSL Internet

$55/mo. for 12 mos.

Max Internet Speed: 50/10 Mbps
Internet usage limit: 1 TB/mo.
Includes $10 off for 12 months + extra $5/mo. discount with AutoPay & paperless billing

#2 Xfinity Internet in Key Largo, FL

Xfinity best internet plans for Key Largo, FL

Connect

$19.99/mo. for 12 months

Good Internet speed for connecting up to 4 devices at same time
Max Internet Speed: 50/5 Mbps
Internet usage limit: 1.2 TB per month

Connect More

$39.99/mo. for 12 months

Good Internet speed for connecting up to 5 devices at same time
Max Internet Speed: 100/5 Mbps
Internet usage limit: 1.2 TB per month

Fast

$49.99/mo. for 12 months

Good Internet speed for connecting up to 8 devices at same time
Max Internet Speed: 300/5 Mbps
Internet usage limit: 1.2 TB per month

Superfast

$59.99/mo. for 12 months

Good Internet speed for connecting up to 11 devices at same time
Max Internet Speed: 600/10 Mbps
Internet usage limit: 1.2 TB per month

Gigabit

$79.99/mo. for 12 months

Good Internet speed for connecting unlimited devices at same time
Max Internet Speed: 1200/35 Mbps
Internet usage limit: 1.2 TB per month

#3 Mediacom Communications Internet in Key Largo, FL

Mediacom Communications best internet plans for Key Largo, FL

Internet 60

$19.99/mo. for 1 yr.

Download speeds of up to 60 Mbps
Upload Speeds up to 5 Mbps
200 GB Monthly Usage Allowance
In-Home WiFi
Free Total Defense Internet Security Suite

Internet 100

$49.99/mo. for 1 yr.

Download speeds of up to 100 Mbps
Upload Speeds up to 10 Mbps
1000 GB Monthly Usage Allowance
In-Home WiFi
Free Total Defense Internet Security Suite

Internet 300

$59.99/mo. for 1 yr.

Download speeds of up to 300 Mbps
Upload Speeds up to 30 Mbps
2,000 GB Monthly Usage Allowance
In-Home WiFi
Free Total Defense Internet Security Suite

Internet 1 Gig

$79.99/mo. for 1 yr.

Download speeds of up to 1,000 Mbps
Upload Speeds up to 50 Mbps
6000 GB Monthly Usage Allowance
In-Home WiFi
Free Total Defense Internet Security Suite

#4 DSL Extreme Internet in Key Largo, FL

DSL Extreme best internet plans for Key Largo, FL

1 Mbps Internet

$14.95/mo. for 12 mos.

Up to 1 Mbps download speed
Up to 384 Kbps upload speed
Available in select Verizon areas

1.5 Mbps Internet

$24.95/mo. for 12 mos.

Up to 1.5 Mbps download speed
Up to 384 Kbps upload speed
Available in select Verizon areas

3 Mbps Internet

$24.95/mo. for 12 mos.

Up to 3 Mbps download speed
Up to 768 Kbps upload speed
Available in select Verizon areas

45 Mbps Internet

$47/mo. for 12 mos.

Up to 45 Mbps download speed
Up to 6 Mbps upload speed
FREE Professional Installation

Summary of best Key Largo internet providers

Provider	Availibility	Download	Upload
AT&T DSL	97%	50 Mbps	10 Mbps
Xfinity Cable	97%	1200 Mbps	35 Mbps
AT&T Fiber	18.5%	1000 Mbps	1000 Mbps
TerraNovaNet Fixed Wireless	12%	25 Mbps	10 Mbps
Mediacom Cable	4.5%	200 Mbps	20 Mbps

Source data: broadbandmap.fcc.gov

Key Largo Top Zip Codes

Zip Code	Population
33037	11,612