Fort Flagler State Park Campground

About

Fort Flagler Historical State Park sits at the northern tip of Marrowstone Island in Jefferson County, Washington, where Admiralty Inlet meets Puget Sound. Originally constructed in the early 1900s as part of a "Triangle of Fire" coastal defense system alongside Forts Worden and Casey, the park preserves military history while offering exceptional camping on the Olympic Peninsula. The park features two distinct camping areas. The Upper Campground provides standard tent sites tucked into a forested setting for more privacy and shade. The Lower Campground (Beach Campground) offers standard, partial-hookup, and full-hookup sites on level, spacious pads with views of the water, the Olympic and Cascade mountain ranges, and on clear days, three active volcanoes. Both areas have their own restroom buildings with flush toilets and hot showers. Beyond camping, the 1,469-acre park offers 9+ miles of hiking trails, a boat launch, fishing pier, and access to clamming and crabbing. Historic gun batteries and military structures are open for exploration, and the on-site museum documents the fort's military heritage. A Discover Pass is required for day use.

Directions

From the Hood Canal Bridge, take Highway 19 toward Port Townsend. Turn right onto Highway 116 at the sign for Fort Flagler, cross the bridge to Indian Island, then continue to Marrowstone Island. Follow Highway 116 north approximately 7 miles to the park entrance.