Four days at Taveuni suits divers and nature-focused travellers well, particularly as a deliberate contrast to a Mamanuca Islands resort stay on the same Fiji trip. Day 1 is for arrival via the short domestic flight from Nadi. Settle into your dive resort or guesthouse, and use the rest of the day to ease in — a swim near your accommodation or a short walk gives a first taste of the island's noticeably wilder, less developed character compared to the Mamanucas. Day 2 is the day most visitors specifically come to Taveuni for: diving the Somosomo Strait's Rainbow Reef, considered among the best soft coral diving anywhere in the world. Strong currents feed an extraordinary density of coral and reef fish, making this a genuinely different diving experience from calmer, more sheltered sites elsewhere in Fiji. Day 3 moves onto land for the Bouma Waterfalls, a series of three falls within Bouma National Heritage Park. The first falls are an easy walk suitable for most fitness levels, while reaching the third requires a genuine hike — pace yourself according to your own fitness and time available, since each tier rewards the effort with a swimmable pool at the base. Day 4 covers the Lavena Coastal Walk, a scenic trail along the island's eastern coast passing through traditional villages before ending at a waterfall that drops directly into a swimmable pool — a fitting final activity before departure. A few practical notes: confirm your dive certification status before booking, since most reputable operators require proof for anything beyond a basic introductory dive. Pack for rainforest hiking specifically — sturdy shoes and quick-dry clothing matter more here than at beach-focused Fiji destinations. And book dive packages bundled with your accommodation when reserving, since this is usually better value than arranging dives separately after arrival.