I would not anchor there -- I would head over to GH and either dinghy or taxi over. Not worth risking the damage with all the boats crammed in there these days....it is just PACKED almost all of the time now. I have to say...it was one of the things we enjoyed about being land-based when we stayed on Jost last October -- we could enjoy the quiet in the morning before their arrival...and enjoy the quiet in the later afternoon after they were gone...it's still a beautiful place to be at the right time of day.