Similan Island is a tropical paradise situated off the west coast of Southern Thailand. Similan Island is an archipelago consisting of 11 beautiful islands teeming with rich biodiversity in crystal clear waters. The islands are open through the months of May to October and closed during the monsoon to protect the environment. The Similan Islands are best known for providing a fantastic opportunity for diving enthusiasts. The crystal clear waters and underwater visibility are some of the best in Thailand, making it a top destination for Scuba Diving and Snorkelling. Relax and unwind at Had Ao Kuak, a white sandy beach in Koh Similan. Admire the rich wildlife of the island. From the rare Nicobar Pigeon, white-tailed tropicbird to sea eagles and Kingfishers.