Thailand Phangnga Beaches Islands Nom Sao Island Phangnga Nom Sao Island Ko Nom Sao are twin islands, also called Ko Ok Meri, located near Ko Panyi. The two petite islands close to each other are pretty much the same. These strange-looking rock formations resemble the appearance of breasts and the name roughly translates this picturesque, but bizarre feature. Look for beaches islands in other provinces.