Key Largo Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.03 | $4.62 | $4.82 | $4.82 | - |
| Month Ago Avg. | $3.76 | $4.19 | $4.56 | $4.47 | - |
Highest Recorded Average Gas Price In Key Largo Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.84 | 06/15/26 |
| Regular | $4.04 | 06/22/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Key Largo
Speedway in Key Largo (99601 Overseas Hwy)
99601 Overseas Hwy, Key Largo, Florida,
$4.09
Jul 12, 2026
0¢ Cashback
Circle K in Key Largo (106501 Overseas Hwy)
106501 Overseas Hwy, Key Largo, Florida,
$4.28
Jul 12, 2026
0¢ Cashback
Circle K in Key Largo (102525 Overseas Hwy)
102525 Overseas Hwy, Key Largo, Florida,
$4.28
Jul 12, 2026
0¢ Cashback
Circle K in Key Largo (99810 Overseas Hwy)
99810 Overseas Hwy, Key Largo, Florida,
$4.29
Jul 12, 2026
0¢ Cashback
Tom Thumb in Key Largo (102630 Overseas Hwy)
102630 Overseas Hwy, Key Largo, Florida,
$4.34
Jul 12, 2026
0¢ Cashback
Tom Thumb in Key Largo (97950 Overseas Hwy)
97950 Overseas Hwy, Key Largo, Florida,
$4.59
Jul 12, 2026
0¢ Cashback
Tom Thumb in Key Largo (104701 Overseas Hwy)
104701 Overseas Hwy, Key Largo, Florida,
$4.64
Jul 12, 2026
0¢ Cashback
Marathon in Key Largo (98210 Overseas Hwy)
98210 Overseas Hwy, Key Largo, Florida,
$4.77
Jul 12, 2026
0¢ Cashback
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.