 The Port of Humboldt Bay (also referred to as the Port of Eureka) is a deep water port with harbor facilities, including large industrial docks at Fairhaven, Samoa, and Fields Landing, designed to serve cargo and other vessels.Several marinas also located in Greater Eureka have the capacity to serve hundreds of small to mid-size boats and pleasure craft.Since the 1850s, the bay was used extensively to export logs and forest products as part of the historic West coast lumber trade.