no the boat was a buy your ticket + walk on - tho now with some security checks.

A newspaper obit (if it exists ) and for post 1964 needs search on papers on microfilm in Manx Museum, might give some info - likewise all property conveyances have to be recorded (+ in past were reported in local press) - general registry should be able to tell you if a search is feasable and the cost - basically the property deeds give the sequence of owners.