Fort Flagler Historical State Park

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Step into U.S. military history at Fort Flagler Historical State Park on the northern tip of Marrowstone Island. Tour and explore a significant coastal defense fort that was established more than a century ago. The group of forts built to guard the entrance to Puget Sound (Fort Flagler, Fort Worden and Fort Casey) is a must see for military, armament and marituime enthusiasts.  Fort Flagler's off-the-beaten track location and its wide manicured parade lawns make it a winning destination.

Built in the late 1890s and manned during World War I, World War II and the Korean War, Fort Flagler now features a military museum in the old Quarter Master's Store House. The park offers guided tours of the gun emplacements and other facilities during the summer. Or find the batteries and other historic structures on your own and wander scenic trails at your leisure.

Fort Flagler activities include hiking, boating, kite-flying, beach exploration, saltwater fishing, clam digging and crabbing. Experienced paragliders can bring their wings and ride thermals up to stupendous aerial views.

Historic officers' vacation houses can be booked for group gatherings and romantic getaways. Beachfront tent and RV sites boast some of the best views in the region. So gaze out on the Strait of Juan de Fuca to the north, the Olympic Peninsula to the west and Whidbey Island to the east, and breathe deep of the ocean air.

The group of forts built to guard the entrace to Puget Sound (Fort Flagler, Fort Worden and Fort Casey) is a must-see for military, armament and maritime enthusiasts. Fort Flagler's off-the-beaten track location and its wide, manicured former parade lawns make it a winning destination.

Park features

Fort Flagler Historical State Park is a 1,451-acre, marine camping park surrounded on three sides by 19,100 feet of saltwater shoreline.

Automated pay station: This park is equipped with an automated pay station for visitors to purchase a one-day or annual Discover Pass and boat launch permit.

  1. Activities
  2. Boating
  3. Camping
  4. History
  5. Maps

ADA amenities/facilities

  • Campground
  • Restroom
  • Hiking trail
  • Museum (No public restrooms available)

Use our interactive ADA recreation map to search for other state parks with ADA amenities and facilities.

Picnic & day-use facilities

The park provides one reservable kitchen shelter with a power outlet and water on the west side of the island across the road from the Kilisut Harbor launch and concession area. The shelter has five picnic tables and a large fire ring. Restroom facilities and water are nearby. Maximum 100 people.

The park provides numerous unsheltered picnic tables, all scattered throughout the park with the largest number located on the beach, available first come, first served.


  • Beachcomber Cafe at Fort Flagler is here for all your needs while visiting the park. Beachcomber Cafe serves up hot sandwiches and burgers as well as a variety of beverages including espresso. In addition, they also have a variety of snacks and grocery items, beach toys, clothing, camping supplies, bagged ice and fire wood. The Beachcomber cafe is open weekends in April, May, and September and daily Memorial Day through Labor Day. For their most up to date hours, you can visit them on Facebook.
  • Olympic Kayak Tours offers full day, half day, sunset and evening bioluminescence tours at Fort Flagler State Park.  Your experienced guide will take you to see world renowned bird watching, ample marine life, beautiful shorelines and majestic evening sunsets. Tours are offered April through October.  For more information and reservations, contact OKT online, or visit them on Facebook or Instagram.



  • 8 miles of trails
  • 2 miles of beach trail
  • Interpretive trail

Water activities & features

  • 256 feet of dock and moorage
  • Boating
  • Clamming
  • Crabbing
  • Fishing
  • Moorage buoys (7)
  • Personal watercraft use
  • Saltwater fishing
  • Swimming
  • Watercraft launches (2)

Other activities & features

  • Museum
  • Paragliding

Interpretive opportunities

Fort Flagler Museum:  Step back in time over 120 years and learn about what life was like for the soldiers who lived on remote Marrowstone Island.  What was once the Quartermaster's Storehouse is now a museum full of fort-era artifacts left behind by the U.S. Army's Coast Artillery Corps.  Grab a museum scavenger hunt to help you discover our vast collection of objects from the early 1900s through the 1960s!

HOURS: 11am to 4pm

April: Friday-Sunday

Friday before Memorial Day through Labor Day: Daily

September: Friday-Monday

October: Friday-Sunday

The remainder of the year: Most Weekends

Ranger-Led programs: Programs include topics related to nature and history.  Keep an eye on our calendar or on eventbrite for up-to-date program schedules.  Stop by the office or museum to learn about our Junior Ranger Program.

gun emplacement guided tours: Join a guided walking tour of the historic gun emplacements and other historic sites to learn about the construction of the fort, daily operations, and what life was like. The tour starts at 3:30pm on the following days and lasts approximately 1 ½ to 2 hours. Donations are appreciated for all tours. 

April – May: Saturdays and Sundays

Memorial Day Weekend – Labor Day: Saturdays, Sundays, and Wednesdays 

September- October: Thursdays

Hospital guided tours: Step into a one-of-a-kind 1905 military hospital. Hear about the incredible history of this beautiful building from its construction to its varied use throughout the fort days. Tours are offered on the following days at 11:30 a.m. Donations are appreciated for all tours. 

 April – May: Saturdays and Sundays

Memorial Day Weekend – Labor Day: Saturdays, Sundays, and Wednesdays 

September- October: Thursdays

Bird watching TOURS:  Birding and nature tours are now being held on the 4th Saturday of each month.  Bird walks will last approximately 2 to 3 hours.  Wear sturdy footwear and dress for changeable weather.  Bring binoculars and your own water. Please send Bev an email, subject: Birdwatching Walk to and she will plan directly with you. Please note this program is dependent on good weather and the group size is limited to 5 people. 


To request a State Park interpretive program at Fort Flagler, please fill out the form at the link below. Interested in what programs are offered? Visit the Program Descriptions link below or email the interpreter.

Additional information