Funganitao, 23, was crowned Miss Heilala 2018 in July.
According to Kaniva News, she is also Miss Appraxus Tonga New Zealand.
In the Miss Heilala competition Funganitao won four of the five judging categories including island creation, pre-interview, talent, and sarong wear.
Funganitao will be joined by Miss PNG, Leoshina Mercy Kariha; Miss Samoa Sonia Piva; Miss American Samoa, Magalita Johnson and Miss Tuvalu, Emelipelesa Panapa.
Contestants from the Cook Islands and Rapa Nui (Easter Island) are also expected to compete.