The Oak Harbor Library serves 24,700 residents of Oak Harbor City in Island County. The library is associated with the Sno-Isle Libraries, which maintains roughly 1.1 million volumes and circulates 10.7 million items annually. The Oak Harbor Library provides collections of materials in Japanese, Korean, Spanish & Vietnamese, a meeting room, computers & laptop hotspots, WiFi, a microfilm reader, contact-free services, printing, copying, scanning, storytime, and other library events.