Hộ Quốc Pagoda - officially Thiền Viện Trúc Lâm Hộ Quốc (Trúc Lâm Hộ Quốc Zen Monastery), one of the largest monasteries in the Trúc Lâm Zen lineage nationwide - is the largest Buddhist temple complex on Phú Quốc, set within a roughly 110-hectare site in ấp Suối Lớn, Dương Tơ commune, on the island's southeast coast near the popular Bãi Sao beach.
Construction broke ground on October 14, 2011, with more than 1,000 workers involved and a total cost of over 100 billion VND; after 14 months of work, the pagoda was officially inaugurated on December 14, 2012, with further landscaping and supporting structures added in 2013-2014. The name 'Hộ Quốc' ('protecting the nation') was explained by the abbot, Thích Trúc Thông Kiên, as a reference to safeguarding Vietnam's territory, particularly its southernmost island and sea border.
The complex is built in Lý-Trần dynasty architectural style across eight main structures, including Điện Tam Bảo (the main hall), Tháp Chuông (bell tower), Tháp Trống (drum tower), Nhà Hòa Thượng (abbot's residence), and Nhà Tăng (monks' quarters), with a Tam Quan gate, red-tiled roofs, and finely carved wooden doors. Its defining feature is its 'tựa sơn hướng hải' setting - mountains rising behind the temple, the sea opening out in front toward the Gulf of Thailand - considered an auspicious feng shui position as well as a simply striking one.
Near the entrance, a large jade Buddha statue sits before roughly 70 stone steps decorated with a carved dragon relief; inside the complex are further statues including Quan Thế Âm Bồ Tát, arhats (La Hán), guardian deities (Hộ Pháp), and relics of the Buddha (Xá Lợi Phật Thích Ca).