Cham Islands, 15km from Cua Dai, is a stunning group of seven islands recognized by UNESCO as a World Biosphere Reserve, known as Cu Lao Cham Marine Park. Each island has a unique name based on its shape or characteristics: Lao (pear), Dài (long), Lá (leaf), Khô (dry), Tai (ear), Mồ (tomb), and Nồm (East Wind).