So yesTAM what is it that really bothers you?
Trouble is that for the life of me I don't think they are maintaining 500 feet.
or
I rate this outfit as just below jet skis in its nuisance value.
If you believe you have a valid complaint based on real concerns for aviation safety, you could always address these complaints to CASA.
if however it is just their presence that annoys you, why not up anchor and sail off elsewhere.
As for those annoying police lights. Funny but you get that when people are killed or another emergency situation occurs.