Complex sentence: There is no town on the island but Vunisea is where all the government headquarters are, with one high school (boarding school), a primary school, police station, hospital, airstrip and at least five supermarkets.
Split into simpler sentences: There is no town on the island but Vunisea is where all the Government Headquarters are. With one high school (boarding school), a primary school, Police Station, Hospital, Airstrip and atleast five supermarkets.