McKinleyville is in Humboldt County in California. Get in By plane Arcata-Eureka Airport (IATA: ACV), 40.970994°, -124.106549°. It is a small airport used for general aviation with commercial service from San Francisco International Airport(IATA: SFO); the Los Angeles area (LAX & Burbank) and Denver International Airport (IATA: DEN) with Skywest dba United Express Get around See Azalea State Natural Reserve, 40.9183°, -124.08°. 2018-03-31 Clam Beach County Park. 2021-12-17 Do Buy Eat Drink Six Rivers Brewery, 1300 Central Ave, +1 707-839-7580. Sleep Holiday Inn Express Hotel & Suites, 3107 Concorde Drive, +1 707 840-9305. Go next