Washington Sea Grant (WSG), Oregon Sea Grant, California Sea Grant, and Alaska Sea Grant (AKSG) have continued to grow and maintain a collaborative unit to engage science and policy partners, industry and resource management agencies in tackling complex, region-scale barriers to sustainable aquaculture on the West Coast. Throughout the project period, West Coast Sea Grant programs have regularly shared updates and information related to aquaculture in each state. Specifically, this project began in 2019 with the first grant funding opportunity and then was awarded a second grant to continue and implement new projects in 2022. The first grant funding opportunity focused on the Washington Coast Shellfish Aquaculture Study (WCSAS), a three-year program of integrated stakeholder engagement and research guided by stakeholders and scientists, coordinated by WSG, and funded by the Washington State Legislature, the West Coast Hub, and other grants. The end goal of this project was to sustain long-term shellfish aquaculture in the coastal estuaries by establishing an Ecosystem Based Management Collaborative, which then launched in Spring, 2022. The current iteration of the West Coast Aquaculture Collaborative (WC Hub) is focused on biosecurity issues emerging along the West Coast in the shellfish industry, aquaculture farm preparedness for disasters, and the exchange of information between farms in different regions. The WC Hub has given biosecurity presentations, hosted workshops, and disseminated factsheets addressing the Pacific Oyster Mortality Syndrome OsHV-1μvars (POMS) in California and Washington. The WC Hub has also conducted workshops and presentations on disaster preparedness to train growers on the Emergency Livestock Assistance Program (ELAP) process. Lastly, WSG and AKSG have been working together to build a three-day information exchange between shellfish growers where Alaska growers will visit Washington farms and facilities specializing in off-bottom shellfish culture methods, farm to table operations, Tribal shellfish programs, and restoration aquaculture projects.