Wailua in the United States is a tropical paradise on the island of Kauai, known for its lush landscapes, cascading waterfalls, and peaceful beaches. Explore the Wailua River, perfect for kayaking or taking a scenic boat tour to the iconic Fern Grotto. Immerse yourself in Hawaiian culture with a visit to the ancient Polynesian temples of the area, or simply relax on the sandy shores and enjoy the breathtaking sunsets.