RedactedNarrative: V-1 was entering Port Tarpon Marina.  V-2 was docked at Port Tampa Marina.  V-1 had a mechanical failure and was unable to shift out of gear.  V-1 struck a concrete dock, wood piling and V-1's port bow
  I spoke with the operator of V-1.  The following summarized information.
  
  1.  OPERATOR stated he was operating V-1 from the second story helm.
  2.  OPERATOR stated when entering Port of Tarpon basin the transmission control would not disengage.
  3.  OPERATOR stated he went downstairs to the first story helm.
  4.  OPERATOR stated he shut down V-1's engines.
  5.  OPERATOR stated V-1's forward momentum caused V-1 to collide with the Port of Tarpon concrete dock, mooring pole and a parked sailboat V-2.
  6.  OPERATOR stated no injuries were reported on either V-1 or V-2.