Marathon Gas Prices in St. Petersburg, FL

Updated April 5, 2026 — Prices updated regularly from EIA data

$3.25

Marathon Regular Unleaded — Est. price in St. Petersburg

About Marathon Fuel

Marathon Petroleum is one of America's largest petroleum refiners, operating Marathon branded stations primarily across the Midwest, Southeast, and East Coast. Marathon's direct refining-to-retail model means their stations benefit from efficient supply chains. Marathon fuel meets all TOP TIER detergent gasoline standards and is particularly well-distributed in Ohio, Michigan, Indiana, and Kentucky.

Marathon Loyalty Program

Marathon MakeItCount rewards program earns points on fuel and in-store purchases. Members can redeem points for cents-per-gallon fuel discounts and store merchandise.

Brand Price Comparison in St. Petersburg

BrandEst. Pricevs. Marathon
Costco$3.08$-0.17
Speedway$3.20$-0.05
Circle K$3.21$-0.04
Sunoco$3.24$-0.01
Marathon THIS PAGE$3.25
BP$3.27+$0.02
Mobil$3.28+$0.03
Exxon$3.29+$0.04
Shell$3.31+$0.06
Chevron$3.33+$0.08

Marathon Prices in Nearby Cities

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Frequently Asked Questions

Marathon typically prices fuel $0.02 above the local St. Petersburg market average. Current estimated Marathon regular price in St. Petersburg is approximately $$3.25 per gallon.
Marathon MakeItCount rewards program earns points on fuel and in-store purchases. Members can redeem points for cents-per-gallon fuel discounts and store merchandise. Consistent use of the Marathon loyalty program can realistically save 5-15 cents per gallon, adding up to $40-120 annually for a typical driver filling up weekly.
Marathon Petroleum is one of America's largest petroleum refiners, operating Marathon branded stations primarily across the Midwest, Southeast, and East Coast. Marathon's direct refining-to-retail model means their stations benefit from efficient supply chains. Marathon fuel meets all TOP TIER detergent gasoline standards and is particularly well-distributed in Ohio, Michigan, Indiana, and Kentucky. All major brands including Marathon must meet federal minimum fuel standards. TOP TIER certified brands go beyond minimums with enhanced detergency additives proven to reduce engine deposits.
Marathon fuels meet all federal quality standards. TOP TIER certification means enhanced detergency additives provide measurable engine protection benefits beyond the legal minimum.

Related Gas Price Pages

All Gas Prices in St. PetersburgCheapest Gas in St. PetersburgGas Prices in FloridaShell in St. PetersburgExxon in St. PetersburgBP in St. PetersburgChevron in St. PetersburgMobil in St. PetersburgCostco in St. PetersburgRegular Unleaded at MarathonPremium Gasoline at MarathonDiesel Fuel at Marathon