Fort Casey State Park is a 467-acre marine camping park with a lighthouse and sweeping views of Admiralty Inlet and the Strait of Juan de Fuca. A coast artillery post features two 10-inch and two 3-inch historic guns on display. The park features 10,810 feet of saltwater Shoreline
on Puget Sound (Admiralty Inlet), and includes Keystone Spit, a two-mile-plus stretch of land separating Admiralty Inlet and Crocket Lake.
The park offers 21 standard tent sites, 14 utility sites with water and electricity, one restroom and one shower.The park is the site of Admiralty Head Lighthouse. A coast artillery post features four historic guns on display. The park offers spectacular views of Admiralty Inlet and the Strait of Juan de Fuca.The park contains a designated remote-control glider area and a parade field popular for kite-flying. The lighthouse is open seasonally.The park has two saltwater watercraft launchs.