RedactedNarrative: Operator stated while he and his wife were underway in his vessel on Saturday May 4th, 2019 at 1330 hours they struck what they believe was a damaged and submerged aid to navigation in the intercoastal waterway (ICW) of the Vernon River.  Operator reported it was ICW Marker 86.  The marker was recently damaged and a red nun buoy marker was put in place of the damaged marker.  Operator believes he struck part of the damaged marker that is submerged below the water.  Operator stated damage to his vessel included an approximately 4 feet long, 1 inch deep gouge along the portside hull just below the waterline of the vessel.  Operator also stated the portside engine received damage to the skeg.  Operator estimated the damage to be approximately $6,000.  Operator stated he was able to get the vessel back to Savannah Yacth Club unassisted.  Operator said the gouge was not deep enough to cause the vessel to take on water.  Operator nor his wife were injured at the time of the incident.  Operator advised he reported the incident and the situation to Petty Officer at the USCG Aids to Navigation Team at Station Tybee Island.