RedactedNarrative: On 8/26/2014 @ approximately 1810 at the West Overlook Campground V1 was driving about 15-20 mph in a marked No Wake Zone.  V1 started driving in a reckless manner, traveling at high rates of speed & making approximately 10 tight circles skimming across the surface of the water.  V1 continued to turn in tight circles until they eventually flipped & sunk the boat approximately 75 ft from a marked swim area buoys.  All three individuals were not wearing life jackets & the Operator received citations for, operating in violation of buoys, failure to display registration, & reckless boating.