Thitu Island (Tagalog: Pagasa, literally "hope"; simplified Chinese: 中业岛; traditional Chinese: 中業島; pinyin: Zhōngyè Dǎo; Vietnamese: Đảo Thị Tứ; Pangasinan: Ilalo), having an area of 37.2 hectares, is the second largest of the naturally occurring Spratly Islands and the largest of the Philippine-occupied naturally occurring Spratly Islands. It lies about 480 kilometres (300 mi) west of Puerto Princesa City.