SummaryPacific Marine Expo is happening from 18 November 2018, Sunday to 20 November 2018, Tuesday at CenturyLink Field Event Center in Seattle, WA. The organizer of the event is Diversified Communications. Pacific Marine Expo is open to trade visitors. The estimated number of attendance is 8,000. Visitors come from over 25 countries. The estimated number of exhibitors is 450. The frequency of Pacific Marine Expo is annual.