RedactedNarrative: Owner of vessel 1 reported after the fact that his vessel hit vessel 2 while secured to Marina Del Sur during a wind event.  Owner of vessel 1 reported damage to his swim platform that originally was thought to be minor turn out to be extensive.  Damage was reported as broken fiberglass, damaged mounts, and cracks to the platform.  Vessel 2 was photographed out of the water by the owner of vessel 1 but has not been contacted to verify this chain of events.  Investigating officer is not convinced all the damage was from the "soft hit" as described by the operator of vessel 1.