Tonga · Ofalanga Island

Arch of Ofalanga

Best time to dive

January to December; May to October

What you might see

  • Grey reef sharkLikely
  • Manta rayLikely

Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.

Certification & difficulty

Technical - advanced conditions (currents/depth); dive within your training.

Snorkelling

Not a snorkel site - No - this is a deep advanced cave/arch dive, not offered as a snorkel site

Safety notes

Overhead/cavern environment requiring advanced training; site only diveable when weather/sea conditions are favorable; remote location (15 miles offshore)

Permits & fees

Permits and operators change - confirm before booking.

Location

Nearest hub: Ha'apai

This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.