Lihue is the second largest town on Kauai and serves as the transportation, public, and industrial hub of Kauai. Getting to Lihue is easy as it's home to Kauai's main airport. Take in the magnificent sight of Wailua Falls - Kauai's most accessible waterfall. If you're feeling adventurous, book an ATV tour to access Kauai's most beautiful mountain range Hā‘upu.