One Ocean Week Seattle Events
October 20 - 26, 2025
Hosted by Maritime Blue and other partners, One Ocean Week Seattle features summits, cultural events, community activities, youth and workforce development programs, and global delegations, all with the aim of catalyzing the Blue Economy while leading on climate action, ecosystem health, and equity.
The events below are now live and registration is open!
Check back for regular updates to the events calendar.
Join us at the One Ocean Week Seattle HarborFest: October 24 – 25
Make your way to the waterfront for the One Ocean Week Seattle HarborFest at Pier 66—a vibrant celebration of our shared connection to the ocean. This open-air marketplace will feature a dynamic mix of local and regional vendors, showcasing delicious food from diverse cuisines, sustainable artisan products, ocean-inspired art and crafts, hands-on educational exhibits, and more!
Host an Event
Join organizations across the region in hosting One Ocean Week Seattle including the Washington Maritime Blue, Port of Seattle, National Nordic Museum, City of Seattle, and Seattle / Bergen Sister Cities.
One Ocean Week Seattle is a platform, not a single conference. We invite partners from across sectors—industry, government, education, philanthropy, and community—to host events that align with the week’s mission.
Whether it’s a panel, film screening, youth activity, reception, technical workshop, cultural performance, or delegation visit, we’ll help amplify your work and connect it to an international audience.
Steering Committee
