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Similan Islands · liveaboard

Christmas Point

Editorial plate — compiled from published sources, not yet confirmed by a verified diver. Dived here? Verify this plate.

Koh Ba-Ngu (Island 9), Mu Ko Similan National Park

8.68000°N, 97.64000°E

A granite ridge off Similan Island 9 riddled with arches and tunnels between 18 and 30 m, swept by strong current.

Depth
10–40 m

Typical 25 m

Vis
15–30 m

26–30 °C

Current
strong
Health
Unscored

Awaiting verified ratings

Geo (surface approx.)
8.68000°N, 97.64000°E

Approximate position from published sources.

Entry / access
liveaboard

The site runs off the northwest corner of Island 9 as a ridge of tall, tide-carved boulders that form a sequence of arches, a triangular tunnel and channels between roughly 18 and 25 m. Beyond the largest arch a sandy rubble slope drops well past recreational depth, so depth discipline matters. It is too big to see in one dive and is named for the Christmas tree worms that cover the rocks.

Difficulty
advanced

Advanced Open Water; Deep specialty useful

Best season
Oct–May; best visibility Dec–Apr
Last reviewed
20 Oct 2026 by editorial

Hazards

  • high · Strong current, no mooring line (free descent)
  • medium · Easy to exceed planned depth on the sandy slope
  • low · Plankton-reduced visibility

Marine life

Typical: christmas tree worms, giant gorgonians, whitetip reef shark, leopard shark, napoleon wrasse, barracuda, manta ray, whale shark, garden eels

Durable site rating

Multi-axis score

Separate axes — not one vague star, and not today's water. Public rollup is the 0 verified ratings on this plate. This is not a community count.

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Condition reports

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Living record

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Questions people search

How deep is Christmas Point?

10–40 m (typical 25 m).

Is Christmas Point suitable for beginners?

advanced — Advanced Open Water; Deep specialty useful

Sources

Where sources disagree

Visibility 20–30 m vs 'down to 15 m' on the IDC page itself; PADI gives 15–30 m.

Listed by: Indepth Dive Centre (IDC Phuket)

Related sites

Other advanced plates in Similan Islands.

Durable multi-axis scores sit on the rating plate. File a timestamped condition report, CoralWatch colour, or debris card on today's report. Public averages stay verified-only. Book at an Andaman dive centre.