Ko Similan is a group of islands located in the Andaman Sea, part of Thailand. They are known for their stunning natural beauty, featuring white sandy beaches, crystal-clear waters, and vibrant coral reefs. The islands are a popular destination for snorkeling and diving enthusiasts, offering a rich diversity of marine life. The Similan Islands National Park protects this unique ecosystem, which includes both land and underwater habitats. The park is home to various species, including sea turtles and colorful fish. Visitors can explore the islands through guided tours, making it a favorite spot for nature lovers and adventure seekers.