Surat Thani is a rural province in southern Thailand, set on the Gulf of Thailand. It encompasses Ang Thong National Marine Park, known for islands like the beach resort Ko Samui. Other islands include Ko Pha Ngan, the site of a monthly Full Moon Party, and Ko Tao, with popular dive sites. The port capital Surat Thani is a gateway to the islands. Its San Chao Night Market hosts a variety of street stalls.