[Governor Dinwiddie]

To me, the most plausible explanation for the disappearance would be a hurricane. A hurricane which came ashore would have killed everyone, especially with a significant storm surge. It would have obliterated all traces of the colony. And these people had no knowledge of hurricanes or experience with them. Hurricanes along this coastline are a fact of life.
 

[ProtectOurFreedom]

But apparently the houses were disassembled, but the stockade remained.