Private island transfers often require chartered seaplanes or helicopters from hubs like Nadi or Papeete. In French Polynesia, long-term leases (30+ y... Read Moreears) are a popular alternative to buying. For short-term rentals, expect a VAT of around 5–15% and strictly enforced biosecurity checks at the border. Guests should confirm if the island provides a dedicated boat and captain, as navigating coral reefs requires local expertise and specialized knowledge of tide schedules. Read Less