Seabrook is an unincorporated planned community in Grays Harbor County, Washington, United States.

Founded in 2004 by developers Casey and Laura Roloff, Seabrook is a beach town based on the concept of New Urbanism.

A major expansion with 1,300 homes and a hotel began construction in 2023 and is scheduled to be completed in 2025.

Future plans include a medical clinic, school, and a regenerative farm.

This Grays Harbor County, Washington state location article is a stub.