RedactedNarrative: According to the operator, his vessel began taking on water soon after they launched at the Callville Bay Marina on 7/12/2014 at approximately 1415 hours. Operator1 stated the bilge pump was running but it could not keep up with the amount of water that was coming into the vessel. Operator1 said he turned the vessel to the nearest beach just outside of the marina in Callville Bay where he off loaded the passengers and attempted to bail out the water manually. The boat sank approximately 25 feet from shore where it was partially visible above the water line. Operator1 stated the drain plug was secure in the vessel and he does not know why it began taking on the water.