I flew many enjoyable hours in the Islander some years ago. Initially piston and then a turbine version sponsored by a friendly newspaper.
Most hours while on parachute duties with a Service para Display Team. Great aircraft for the role.
Quite a bit of UK wide and European trips on display and training sorties. Even better when the team were given the turbine version.
With a nice Bose headset i didn't find it too noisy enroute, and quick RPM reduction after take off, and props forward only in the flare on the piston version helped greatly.
My wife thinks I'm deaf but can't blame it on the Islander!!