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Coral ReefCavernBoat DiveUnverified

NBM Dive Site Resource

Snake Gully

Alofi, Niue, Niue

A named Niue reef-and-cavern dive known for coral gutters, swim-throughs, endemic katuali sea kraits, reef fish, crayfish and occasional pelagic visitors.

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Historic Picture Placeholder

Old-fashioned maritime line drawing reserved for a future historic photograph
Historic Picture PlaceholderHistoric photograph pending research and rights review
WaterMarine
AccessGuided local-operator boat dive; daily site selection depends on swell, wind and safe launching conditions.
ExperienceOpen Water in calm conditions; cavern passages only within training and under the operator briefing.
Maximum depthApproximately 8–20 m in the commonly described gully and reef.
Best seasonYear-round diving is advertised; December–April can be rougher, and all access is weather-dependent.
VisibilityOften 30–80 m in settled conditions; local visibility varies with swell, weather and plankton.

Aquatic life at this dive site

What divers may encounter

Three reviewed connections are featured here. Sightings vary by season, conditions, and chance, so they are never guaranteed.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Site media

Photographs

Three views rotate from the published gallery on each visit.
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending

Contributor media

Dive videos

Three featured video positions are reserved on every profile.
Dive-site video pending
Dive-site video pending
Dive-site video pending

Published reference location

Location map

The marker shows the public coordinates associated with this profile. Confirm current access, moorings, and departure details before the dive.
Published reference coordinates-19.12700, -169.91500
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Map data © OpenStreetMap contributors

Recent field observations

Diver-reported temperatures

Automatically checked observations from dives during the past 14 days. Three reports are visible at a time; scroll for more.
Automatically checked
No recent diver reports from the past 14 days

A report that passes the automatic checks will appear here with the dive date, diver’s display name, and temperatures at each depth.

Reports are automatically checked for plausible dates, depths, and temperatures. They are observations, not forecasts; confirm conditions before diving.

Diver field observation

Report temperatures

Reports publish automatically when the date, depths, and temperatures pass the checks. You must be signed in to submit.

Depth readings

Why divers know this place

Highlights

Sea kraits, coral restoration area, barracuda, reef fish and shallow swim-throughs.

Before you arrive

Access notes

Book through a current Niue operator and reconfirm whether the operator is using the Snake Gully or combined Coral Nursery naming.

Plan within your training

Conditions and hazards

Surge, sharp limestone, overhead swim-throughs and highly venomous but generally non-aggressive sea kraits. Humpbacks may pass July–October; regulated in-water whale encounters are snorkel-only and must not be pursued on scuba.

At the site

Facilities and support

Operator boat, rental equipment and dive staff; broader lodging and visitor services around Alofi.

Independent resource notice

This record is a starting point for independent verification. Access, closures, moorings, weather, currents, depth, visibility, operator availability, and site conditions can change without notice. Confirm current information with the responsible operator, property owner, managing authority, or another qualified local source before planning or attempting a dive.