Seabrook, Maryland is a community of around 17,300 citizens that is approximately 12 miles outside of Washington, D.C.. Seabrook is also a census-designated place in Prince George’s County, Maryland. The history of Seabrook starts as early as the 1870s, and the community has developed over time to become the town it is today. Visitors to Seabrook will enjoy the easy access to Washington, D.C., while still being outside of the capitol. Have a great stay in Seabrook, Maryland.