Maui Island (MAUI) introduction: Maui Island is the second largest island in the Hawaiian Islands, covering an area of ​​729 square miles and a total coastline of 120 miles. Maui is famous for the beauty of its valleys. "Haleakala" (House of the Sun) and "Lahaina" (Whaling Town), a city formed during the whaling period in the 16th century, are the island's most famous tourist destinations and should not be missed.