Explore details about location Koa Ln. Koa Ln is a location situated within the Hawaiʻi County alongside other areas such as Keopuka Road, Kamahao Way, Wehilani Drive. Additionally, some smaller parts of Koa Ln include specific areas like Pineapple Circle Mayka, Iwalani Pkwy, Pineapple Pkwy adding to the diversity of its landscape.