Koh Similan is part of the Similan Islands National Park in Thailand, known for its stunning natural beauty and rich marine life. The island features white sandy beaches, crystal-clear waters, and lush tropical forests, making it a popular destination for snorkeling and diving enthusiasts. The park is home to diverse ecosystems, including coral reefs and various species of fish, turtles, and other marine creatures. Visitors can explore the underwater world, hike through scenic trails, and enjoy the serene environment, making Koh Similan a perfect getaway for nature lovers and adventure seekers alike.