This historic military site has 51 military buildings, five major gun emplacements and two searchlight buildings open to the public. The U.S. Fish and Wildlife Service marine lab is also located on the premises. An interpretive display has been established as park of the environmental learning center.
- Fort Flagler State Park covers 783 acres and is surrounded on three sides by saltwater shoreline with 19,000 feet of beach.
Other amenities include four miles of hiking trails and 13 miles of automobile roads throughout the park.
Camping facilities include a Cascadia Marine Trail campsite, 102 standard campsites, 14 utility sites, two group camps, four primitive bicycle sites, an environmental learning center with a total capacity of 278 (camp will accommodate three groups at one time), a Port a-potty dump station, a reservable kitchen shelter, 59 picnic sites and a concession. An American Youth Hostel is also located here. The park is on the Campsite Reservation Program.
Facility use is first come, first served, with continuous moorage limited to three consecutive nights. Fees are charged year around. Call (360) 753-5771 for a fee update as all fees are subject to change.
Recreation - Some popular park activities are camping, picnicking, boating, beachcombing, hiking, scuba diving, bottom and salmon fishing, clamming and crabbing, and wind surfing. The interpretative center and the historic military setting offer additional recreational opportunities. Boating amenities include 256 feet of moorage space at moorage floats, two boat launches, seven mooring buoys and a fishing pier. In addition, Fort Flagler is part of the Cascadia Marine Trail system for human powered and wind powered beachable craft.
Climate - The climate in this area is influenced by both the Olympic Mountains and the bodies of water that surround the Olympic Peninsula. It is generally a marine climate, mild and temperate, with the Pacific Ocean moderating temperatures throughout the year.
Winters are cool and cloudy with rain and some snow. Maximum winter temperatures are in the mid- to high 40s with minimum temperatures in the mid 30s. Summers are warm and relatively dry with maximum and minimum temperatures in the mid 70s and low 50s, respectively. This area averages 51 inches of precipitation per year.
Fort Flagler State Park is located in Jefferson County on the north end of Marrowstone Island, across the bay from Port Townsend.