The Similan Islands, located in the Andaman Sea off Thailand’s southern coast, form a group of eleven granite islands known for their rich biodiversity and vibrant coral reefs. Part of the Mu Ko Similan National Park, these islands offer exceptional diving and snorkeling experiences with diverse marine life, including sharks, rays, and turtles. The coral reefs are renowned for their health and diversity. Visitors can also explore hiking trails on some islands, enjoying lush vegetation and panoramic views. The Similans are home to various flora and fauna, and their protected status helps preserve the natural environment. The islands are typically open to visitors from October to May, with conservation efforts promoting responsible tourism. Access is primarily through liveaboard dive boats and day trip boats departing from nearby coastal areas. The Similan Islands attract nature enthusiasts and those seeking the pristine beauty of Thailand’s Andaman Sea.