RedactedNarrative: While at dock vessel number three caught fire from electrical failure. The fire moved to vessel number two and one then to the marina dock. Vessel number 3 and 2 were complete loses.  Vessel number one sustained heat damage to stbd hull. No injuries were reported at time of accident. owner of vessel number three claims he has been having electrical issues for some time and had recently plug a battery charger up then left the vessel.