Visitors receive a 30-day visa on arrival. Private island rentals in the Vava'u group are famous for whale watching (July–October). Transfers are us... Read Moreually by small boat from Neiafu. Rentals are subject to a 15% Consumption Tax. Tonga is a deeply religious country; almost everything shuts down on Sundays, including boat transfers and rental services. Travelers should dress modestly when visiting local villages and be prepared for "Tongan Time"—a slower, more relaxed pace of life. Read Less