Koh Mai Si, located in the northwest near Salak Khwang Bay on Koh Kood, is a private island spanning approximately 16 square kilometers. On the eastern side, close to Koh Kood, there is a pearl farming operation run by Muk Thai Co., Ltd., where visitors must contact in advance to arrange a tour. The island boasts stunning sunset viewpoints and offers accommodations for those interested in eco-friendly tourism. On the western side, there are beautiful beaches ideal for swimming. For more information, please call 08 9980 5757.