The Ngerukewid islands in Palau seen from the air

156 · Honourable Mentions· Palau

Palau’s Rock Islands

A marine landscape of forested limestone islands and sheltered water.

Photo credit

Luka Peternel · CC BY-SA 4.0. Resized for display.

Summary

Palau’s Rock Islands are hundreds of small limestone islands within a Pacific lagoon. Forested domes, sheltered channels, reefs and marine lakes create a closely connected world of land and water.

The distinction is the intricacy of the marine landscape. Repeated green islands enclose different habitats, giving the celebrated aerial view a much richer ecological meaning at water level.

101–200 · Honourable Mentions

The essentials

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Allow time

5 days as a starting allowance

Choose a base

Koror or nearby accommodation with reputable marine operators.

Getting there

Fly to Palau's international gateway and arrange transfers to a Koror-area base.

Plan ahead

Check current permits, marine-lake access and operator requirements.

Guide edited 29 September 2026. About practical information

The story of a place

A marine landscape of forested limestone islands and sheltered water.

Palau's Rock Islands are best understood as a relationship between land and sea. Rounded forested forms rise above channels, reefs and marine lakes, creating habitats that differ over surprisingly short distances.

Boat excursions, snorkelling and diving involve different abilities and permissions. Choose operators who explain conservation rules and keep their groups' impact on reefs and wildlife low.

A bridled tern breeding in Palau’s Rock Islands
Bridled tern (Onychoprion anaethetus anaethetus) breeding Rock IslandsPhoto: Charles J. Sharp · CC BY-SA 4.0

The essential experience

Make time for this.

Take a carefully managed boat and snorkelling excursion that combines landscape with close observation of marine life.

Explore the highlights

Look a little closer.

Palau’s forested Rock Islands scatter across clear lagoons and sheltered marine channels.

1

Island margins

Notice undercut limestone and dense vegetation.

2

Water colours

Depth and seabed change the palette.

3

Reef behaviour

Watch interactions without touching or feeding.

For the curious reader

History, landscape
and context.

The Rock Islands of Palau, also called Chelbacheb, are a collection of several hundred small limestone or coral uprises in the Southern Lagoon of Palau between Koror and Peleliu, now an incorporated part of Koror State. There are between 250 and 300 islands in the group according to different sources, with an aggregate area of 42 square kilometres (16 sq mi) and a maximum height of 207 metres (679 ft). The islands were declared a UNESCO World Heritage Site in 2012.

Background reading: an abridged extract from Rock Islands, by Wikipedia contributors, under CC BY-SA 4.0. Paragraphs have been selected and shortened for this guide. Retrieved 22 September 2026. Source revision ↗.

Turn curiosity into a visit

Plan your visit.

Physical demands
Boat access and water confidence matter; diving needs appropriate qualifications.
The practical detail
Marine-lake openings and wildlife conditions can change; never book on an old photograph alone.

Before you set off.

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Through the seasons

A place in the world

Find your bearings.

A place in the world
Palau’s Rock Islands location mapPalau’s Rock Islands location map

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Map: Natural Earth

A closer view.

Palau’s Rock Islands

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A sense of place

In pictures.

Go a little further

Sources & further reading.

The UNESCO link names the specific inscribed property. A broad entry in this project can extend beyond that property’s boundaries.

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