Quartermaster Yacht Club on Vashon Island, WA is located on the southwest side of inner Quartermaster Harbor. Reciprocal moorage is located on the east side of the float that is nearest shore, approached from the south side of the facility as you enter the area. Exercise caution at low tide. Rafting is permitted, moorage is on a first come, first served basis and they request that you fly your club burgee while visiting their facility.