Seabrook WA: Family-Friendly Guide + 10 Things to Do with Kids January 3, 2024August 19, 2023 Seabrook WA is a community located at Pacific Beach on the Washington State Coast. Photo credit: Michael Palermiti, courtesy of Seabrook Are you curious about what to do in Seabrook, a small Washington state resort community? Keep scrolling to find out everything you need to know about Seabrook WA before you book your next Pacific Northwest family vacation!