There are three harbours in Tonga: Neiafu, Nukualofa and Pangai, and in terms of merchant marine, the country possesses seven ships that exceed 1,000GRT, whose masses combined total 17,760GRT. By type, there is one bulk ship, two cargo ships, 2 liquefied gas ships, one petroleum tanker and roll-on/roll-off ship.
By 1999 estimates, there are 6 airports in Tonga. Of these, one has paved runways, the Fuaamotu International Airport on Tongatapu. Of the remaining airports, one has runways exceeding length 1,524m, two have runways longer than 914m, with the remaining two having runways shorter than 914m. The airline of Tonga is Peau Vava'u.