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Keystone Harbor
Operated as part of Fort Casey State Park. Fort Casey State Park (including Keystone Spit) is comprised of 411.46 acres with 7,000 feet of freshwate frontage and 110,810 feet of saltwater shoreline on Admiralty Inlet.
Located on Highway 20, 3 miles south of Coupville on Whidbey Island, Island County, Washington.
(206) 764-3442
P.O. Box 3755 Seattle, WA 98124-2255
Boating Historic & Cultural Site Camping Hiking Picnicking Water Sports Wildlife Viewing
USACE - US Army Corps of Engineers
Maine ocean islands provide the only nesting sites for Atlantic puffins in the United States. Eastern Egg Rock in the midcoast region, Seal Island and Matinicus Rock at the mouth of Penobscot Bay, and Machias Seal Island and Petit Manan Island off the downeast coast provide habitat for more than 4,000 puffins each summer.