RedactedNarrative: Commercial vessel (V1) was transitting south of Key West during night and struck sailing vessel (V2) while it was anchored. No injuries.
  
  Operator 1 was transiting from Stock Island to the Gulf of Mexico at approximately 17 knots. While just south of Key West he observed a dim anchor light in the distance. The operator continued to transit and then observed an anchored sailing vessel just ten feet off his bow. The commercial vessel then grazed the stern of the anchored sailing vessel. Operator 1 then slowed down, assessed his vessel damage and then assessed for damage and injuries on the sailing vessel. Operator 1 stated no parties were injured.