RedactedNarrative: Vessel 1 was docked and unattended since 7/15/18. On 7/24/18 the owners of vessel 1 came to the marina and observed several deep scratches in the gel coat on the starboard side of the vessel about mid-ship. The owner of vessel 1 spoke with the owners of a vessel in the slip next to them and they denied any knowledge of how the scratches got there. The officer checked with the suspect vessel owners and could not located any evidence that would link it to the damage. No injuries.