The last ferry out of Kingston to Edmonds is at 11:10 pm. Here is the Ferry schedule: https://wsdot.com/ferries/schedule/ScheduleDetail.aspx?departingterm=12&arrivingterm=8
Typically, it takes 25-30 minutes to the Kingston ferry terminal.
Airbnbs near Port Townsend or Port Ludlow. Suggestions are listed under "travel" section of wedding website. Limited opportunity to car camp on venue site; please contact bride/groom if interested. Limit to 40 people/20 cars.
Please wear semi-formal attire and comfortable shoes for dancing! Be sure to bring a jacket or sweater for windy or chilly weather.