Ko Lanta consists of two major islands, the larger, more populated Ko Lanta Yai (commonly known as simply Ko Lanta) and the smaller Ko Lanta Noi, as well as several minor islands. The coastlines have more than 70 small islands and plenty with forest, coral reefs and underwater life. The geography of the islands is typically mangroves, coral rimmed beaches and rugged tree covered hills. A popular tourist destination, the islands are known for their long, sandy beaches and scuba diving.