RedactedNarrative: Unit 1 had just put approximately 34 gallons of gas in boat. Operator stated that when leaving he heard two loud pops and the floor of boat exploded followed by flames. Operator grabbed PFD and jumped from the boat to swim to the dock. Unit 1then drifted back to the gas dock and set dock on fire. Marina employee and pushed boat away from the dock. Vineyards fire department boat arrived and put out the flames and pushed unit 1 to shore away from other docked boats.