Fonuaika is an island in Lulunga district, in the Ha'apai islands of Tonga. Haapai is a group of Islands Islets Reefs and Shoals in the central part of the Kingdom of Tonga, with the Tongatapu group The Kingdom of Tonga is an Archipelago in the south Pacific Ocean comprising 169 islands 36 of them inhabited stretching over a distance of about 800 kilometres (500 miles