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Sea caves of Tonga · about 9 km from Neiafu (Vava'u)

Shark's Tooth Cave (Kitu)

  • CertificationOpen water / no overhead

The dive

The tunnel leads you into a series of chambers, two of which rise above sea level. Schools of fish swim inside, and crayfish, nudibranchs and butterflyfish live among the rocks.

Profile and sections

The tunnel leads you into a series of chambers, two of which rise above sea level. Schools of fish swim inside, and crayfish, nudibranchs and butterflyfish live among the rocks.

Practical: AX-Factor Dive and Riki Tiki Tours go there.

Depth and profile
Three openings joined by a 16.5 m long tunnel, with several chambers, two of them above sea level. No depth is published.
Configuration
Short tunnel with three openings: recreational gear with a torch (estimate).
Who can dive where
  • CaveAt least Open water / no overhead
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
Entry or dive feeThrough a dive centre or guide

This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.

How to get there

On the northeast side of Kitu, by boat with a local dive operator.

Plan your route ↗

Around Shark's Tooth Cave (Kitu)

FillsNo fill station known nearby
Where to sleepAround Neiafu (Vava'u) on Booking.com ↗

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Other sites2 within 2 km

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Marcel finds the sites that match your team's certifications.

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Sources, sharing and disclaimer

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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (Oct 2026): the Tonga Pocket Guide (caves, dive sites and dive operators, updated June–July 2026), the PADI blog (2015), Divernet (2019) on the diver missing in Cathedral Cave, the Freediving Family brochure (2021), Smartraveller and the UK travel advice on Tonga, and Healthpoint on the chamber in Auckland. The dive operators' own websites could not be opened. The pins of Mariner's Cave, Swallows Cave and Shark's Tooth come from the vavau.to diving and snorkelling guide; the other caves have no pin. These are guided boat dives into sea caves and caverns; certification and configurations are estimates.