Key West Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.23 | $4.56 | $4.89 | $4.64 | - |
| Month Ago Avg. | $4.23 | $4.56 | $4.89 | $4.64 | - |
Highest Recorded Average Gas Price In Key West Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.64 | 06/15/26 |
| Regular | $4.23 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Key West
Mobil in Key West (451 Overseas Hwy)
451 Overseas Hwy, Key West, Florida,
$4.94
Jul 18, 2026
0¢ Cashback
Circle K in Key West (1190 Overseas Hwy)
1190 Overseas Hwy, Key West, Florida,
$4.94
Jul 18, 2026
0¢ Cashback
Circle K in Key West (3032 N Roosevelt Blvd)
3032 N Roosevelt Blvd, Key West, Florida,
$4.99
Jul 18, 2026
0¢ Cashback
Circle K in Key West (1890 N Roosevelt Blvd)
1890 N Roosevelt Blvd, Key West, Florida,
$4.99
Jul 18, 2026
0¢ Cashback
Exxon in Key West (3700 N Roosevelt Blvd)
3700 N Roosevelt Blvd, Key West, Florida,
$4.99
Jul 18, 2026
0¢ Cashback
Mobil in Key West (1127 Truman Ave)
1127 Truman Ave, Key West, Florida,
$4.99
Jul 18, 2026
0¢ Cashback
Mobil in Key West (3228 Flagler Ave)
3228 Flagler Ave, Key West, Florida,
$4.99
Jul 18, 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.