Doesn't help the guys with boats on lifts but...I trailer mine and when I'm heading to Bokeelia, I'll swing into Pineland and fuel up, costs alot more there. THe Marathon is cheapest non-ethanol I've been able to find.
Found same for $4.43 last week at Marathon at Del Prado and Diplomat.
Other than marinas it seems not many stations have it down there! And with all the boats down there you'd think stations would be trying to pull boaters in left and right. I live in NE Tn w relatively few boats and have at least three sources within ten mins of the house go figure