Key West Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| 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 | 08/05/26 |
| Regular | $4.23 | 09/01/26 |
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
Oct 24, 2026
0¢ Cashback
Circle K in Key West (1190 Overseas Hwy)
1190 Overseas Hwy, Key West, Florida,
$4.94
Oct 24, 2026
0¢ Cashback
Circle K in Key West (3032 N Roosevelt Blvd)
3032 N Roosevelt Blvd, Key West, Florida,
$4.99
Oct 24, 2026
0¢ Cashback
Circle K in Key West (1890 N Roosevelt Blvd)
1890 N Roosevelt Blvd, Key West, Florida,
$4.99
Oct 24, 2026
0¢ Cashback
Mobil in Key West (1127 Truman Ave)
1127 Truman Ave, Key West, Florida,
$4.99
Oct 24, 2026
0¢ Cashback
Circle K in Key West (3228 Flagler Ave)
3228 Flagler Ave, Key West, Florida,
$4.99
Oct 24, 2026
0¢ Cashback
Find Cheap Gas Prices By State
Click on the state to view the State details
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.