RedactedNarrative: Vessel #1 was out watching the fireworks and noticed water pooling / rising at their feet near the back of the vessel.  The operator began making for shore following the state park channel.  Another vessel in their party offloaded all four passengers from the disabled vessel #1.  The operator remained with vessel #1 until it became flooded.  The other vessel assisted by pushing the disabled and swamped vessel #1 to a dock at Cherokee Landing where it completely submerged. No injuries were reported.