RedactedNarrative: While approaching Greenwich Harbor near red channel 4 nearest to Cormorant Reef and buoy # 2,  vessel 1 struck a submerged object with it's starboard propeller. This collision with the submerged object caused significant damage to the starboard propeller and caused the starboard strut to be forced into the hull of the vessel.  Water entered through the breach in the hull.  No injuries.
NameOfBodyOfWater: Captain's Harbor
NearestCityTown: Greenwich