RedactedNarrative: Operator had been cruising from Block Island to Hyannis when he collided with a submerged object.  The vessel went down very fast.   The 4 passengers were retrieved by a good Samaritan.  According to a nautical chart it indicates that there were obstructions and rocks awash and or visible at low tide.  No injuries.  Vessel total loss.  MEP was unable to obtain dob of operator.
NameOfBodyOfWater: Buzzards Bay