Vanua Balavu is the third largest island in Fiji's Lau archipelago, and the main island of the Northern Lau Group.
This coral and volcanic island has a land area of 53 square kilometers. Its maximum elevation is 283 meters. The island is characterized by steep undercut cliffs, with fertile volcanic soil. It is well watered and has hot springs. There is an extensive reef system, including the islets of Qilaqila Bay. The main village on the island is Lomaloma.
Vanua Balavu boasts of the Yanuyanu Island Resort, an airstrip, a copra port, and a small hospital. There was also the Lomaloma Copra Biofuel Project which provided power to three villages, Naqara, Sawana and Lomaloma, however it is now defunct.