The Hidden Swimming Hole
The Blue Lagoon (Nanda Blue Hole or Riri Blue Hole, depending on which one — Vanuatu has several) is a freshwater swimming hole fed by underground springs, where mineral-rich water creates an intense, luminous blue colour. The lagoons are set in tropical forest clearings, surrounded by native vegetation, and the combination of the water’s extraordinary colour, the warm temperature, and the lush setting creates a swimming experience unlike any ocean beach.
The most visited blue lagoons are on Efate (accessible as day trips from Port Vila) and on Espiritu Santo (the Nanda and Riri blue holes, accessed from Luganville). The Santo blue holes are the most vivid — the deeper mineral concentration produces a more intense blue.
Frequently Asked Questions
How many blue lagoons are there?
Vanuatu has multiple blue holes/lagoons across several islands. The most accessible from Port Vila are on Efate. The most vivid are on Espiritu Santo.
Can I swim in the blue lagoons?
Yes — swimming is the experience. The water is freshwater, warm (approximately 23–26°C), clean, and safe. Some lagoons have rope swings and diving platforms.