Australian dollar cheques are preferred. The best time is May to November. POST 10 days. Single women should avoid deserted beaches in the evenings. Royal Tongan Airlines operate regular flights between the main cities.
Ferries sail between all the island groups.
Schedules are subject to change according to demand and the weather. A good network of metalled roads exists. Horses are often used. May be arranged through a number of agencies. Visitors are not expected to tip.