The tips below are for an individual trip and free hand trip. In case of an arranged tour, make sure to follow an instructions by tour agency. There are many mosquito in Fiji, particularly in budget hotels and houses of Fiji people. You can bring fired mosquito coil to everywhere. It's a nice idea as gift to people in Fiji.
Darkness comes soon because of few streetlight.
And some Indian houses have a toilet outside. Small flashlight, for example made by MAG, would help you at various scene. A rare corned mutton is worth trying. The term between July and September is winter in Fiji. Fiji is the south pacific islands, but it's a bit cool in this season.