- Lihue is a city located on the island of Kauai in Hawaii, United States. It is the county seat of Kauai County and has a population of approximately 7,000 residents. Lihue is known for its beautiful beaches, lush landscapes, and outdoor activities. It is also home to the Lihue Airport, which serves as the main gateway to Kauai for visitors. The city offers a range of amenities, including shopping centers, restaurants, hotels, and cultural attractions such as the Kauai Museum and Grove Farm Museum. Lihue is a popular tourist destination and serves as a central hub for exploring the rest of Kauai.