Gas in the Port St. Lucie area is down 5¢ from last week, now averaging $4.08 a gallon. Filling a 15-gallon tank in the Port St. Lucie area costs about $17 more than a year ago. It is $4.08 a gallon, $1.14 more than a year ago. Filling a 15-gallon tank costs about $17 more. It is $4.08 a gallon, down 5¢ from last week but still $1.14 above a year ago. Prices are AAA's daily averages for regular gas, last updated October 20.

Local Gas Prices Port Saint Lucie, FL Loading...