Just open one of their seacocks and, after nature takes its course, park
right above them.

Make sure to act all innocent when they come to get their boat, ask them how
dinner was.


"Richard Malcolm" wrote in message
om...
glad you posted this. I have the same problem and been meaning to do
this for the past 2 summers. would I also be able to use the speaker
as a PA to remind those boaters to get out of my slip when I return.
(my marina has a great resturant)