RedactedNarrative: Operator collided with green lighted buoy #15.  Five persons on board were thrown from the vessel into the water.  They were rescued by PD and Harbormaster personnel. One person sustained injury. The vessel was a total loss l and minor damage to the buoy.    Alcohol was consumed prior to voyage and on board and but the PD did not administer any Field sobriety tests nor were blood tests taken.  Upon conclusion the operator was navigating his vessel by vessel GPS Unit.  He was not paying attention to or using other tools he had available to him including radar and traditional navigating charts.  He did not have a lookout.  He was issued a civil fine for failure to maintain a proper lookout and negligent operation.