onlybeaches

Tonga · Haʻapai

Best beaches in Kao Island

2 ranked beaches in Kao Island, Haʻapai

Ranked by the OnlyBeaches Index (OBI) — a 1-10 score blending water purity, conditions, crowd levels and vibe. Updated every 30 minutes.

All beaches in Kao Island

  1. 1

    Kao South Beach

    Remote south-side shore used for rare Kao landings, with dramatic volcano scenery.

    7.0
  2. 2

    Kao West Base Beach

    Remote western base shore beneath Tonga’s highest island, likely absent from generic beach lists.

    7.0

What makes Kao Island's beaches stand out?

Kao Island sits in Haʻapai, Tonga and is home to 2 ranked beaches on OnlyBeaches. Every beach here is scored by the OnlyBeaches Index — a 1-10 metric blending water purity, live conditions (waves, water temperature, wind), crowd intelligence and vibe.

Whether you're after the highest-scoring beach in Kao Island or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.