Does the Port St Lucie Fort Pierce Service Plaza have gas?

Yes they do they have gas in Port St Lucie at itself also Port St Lucie South, Indian River , Port St Lucie North Hutchinson River and other various places around in that area to include Fort Pierce itself, I hope this was helpful,,,,,yiC

Yes. There is a Shell gas station on the north end of the plaza. On a related note, electric vehicle charging stations are on the extreme south end of the plaza. Tesla has their superchargers (or whatever they're called) there, in addition to a few chargers provided by FPL.

Yes