KSSS has its own peninsula, Lökholmen, which lies to the side of Sandhamn. Here there are plenty of mooring berths. Trollsundet is well-protected from the wind and the jetties are reserved for members. Electricity supply points can be found alongside of the jetties. On the north side of Trollsundet there is a shower building with toilets. On Trollharan’s southern side there is a sauna, In Trollgården there is a common room and overnight sleeping options. Lökholmen runs extensive camp activities during the summer with over 500 children and youths participating in the Optimist and yacht-racing camps.