Mercer Island
Washington
Mercer Island Gas Prices - Find the Lowest Gas Prices in Mercer Island, WA
Search for the lowest gasoline prices in Mercer Island, WA. Find local Mercer Island gas prices and Mercer Island gas stations with the best prices to fill up at the pump today
National and Washington Gas Price Averages
| National Avg. | WA Reg. Avg. | WA Plus Avg. | WA Prem. Avg. | WA Diesel Avg. |
|---|---|---|---|---|
|
$3.160
11/23/2025
|
$4.407
11/23/2025
|
$4.668
11/23/2025
|
$4.900
11/23/2025
|
$5.036
11/23/2025
|
Today's lowest gas prices in Washington and around Mercer Island
| Station | Regular | Plus | Premium | Diesel |
|---|---|---|---|---|
Costco 301 5th St, Clarkston, WA |
$3.28
11/23/2025
|
11/23/2025
|
$3.87
11/23/2025
|
$4.04
11/23/2025
|
Wheelers Smoke N Gas 7453 Sunnyside Mabton Hwy, Mabton, WA |
$3.50
11/23/2025
|
$3.70
11/23/2025
|
$3.90
11/23/2025
|
$4.20
11/23/2025
|
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Local Events
Primitive Man with Otay:Onii, Guiltless, and Muñeca
Wednesday, Nov 26, 2025 at 7:30pm
Seattle, WA
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Mad Meow Music & Clock-Out Lounge Present: 2nd Annual Blackie Friday- feat Blackie and Jealous Dogs
Friday, Nov 28, 2025 at 9:00pm
Seattle, WA
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In and Around Mercer Island, WA