Koh Yao Noi is a small island in the Phang Nga Bay in southern Thailand. The island is located about 50 km south of Phuket Island. Koh Yao Noi is a quiet and unspoiled island with a population of about 5,000 people. The main activities on the island are fishing and farming. The main attractions on Koh Yao Noi are the beautiful beaches and the stunning scenery. The island is also a great place for snorkeling and diving.