South Whidbey Island State Park is a 347-acre park with saltwater shoreline on Admiralty Inlet. Park features include old-growth forest, tidelands for crabbing and clamming, forest undergrowth and breathtaking views of the Puget Sound and Olympic Mountains. The park offers a unique outdoor experiences for hiking along beach and forest discovery trails. While the park no longer offers camping, there is a trailer dump site. Captain George Vancouver named Whidbey Island after Master Joseph Whidbey on June 10, 1792. The park was officially named in October of 1974.

South Whidbey Island State Park is a 2020 Park Improvement Project Grant recipient.