Rock Islands Southern Lagoon, Palau

I visited the rock islands of Palau back in 2007. It was added to the UNESCO World Heritage list in July of 2012.

There are few places that were more deserving of World Heritage status than the rock islands of Palau. Despite being one of the smallest countries in the world, the rock islands feature some of the most unique landscapes on the planet. It is home to my #1 ranked dive spot in the world and my #1 ranked travel experience (swimming with jellyfish), and I named this one of the best UNESCO sites in the world.

Not shabby for a country with under 20,000 people!

My only real question is why this wasn’t listed as a World Heritage site earlier.


Rock Islands Southern Lagoon

The Rock Islands Southern Lagoon is located in Palau and is a mixed type UNESCO World Heritage Site. It was inscribed into the list in 2012. The UNESCO site is more commonly referred to as “The Rock Islands of Palau”. It is one of the top tourist attractions in Palau but the tourist visits to the area rose exponentially when it was named a UNESCO site as it garnered global attention.

The Southern Lagoon of Palau’s Rock Islands is located in between the islands of Peleliu and Koror. However, the Rock Islands Southern Lagoon is now an incorporated part of the state of Koror. This group of islands consists of about 445 islands.

From the Rock Islands Southern Lagoon World Heritage inscription:

Rock Islands Southern Lagoon covers 100,200-hectare and numbers 445 uninhabited limestone islands of volcanic origin. Many of them display unique mushroom-like shapes in turquoise lagoons surrounded by coral reefs. The aesthetic beauty of the site is heightened by a complex reef system featuring over 385 coral species and different types of habitat. They sustain a large diversity of plants, birds and marine life including dugong and at least 13 shark species. The site harbors the highest concentration of marine lakes anywhere, isolated bodies of seawater separated from the ocean by land barriers. They are among the islands’ distinctive features and sustain high endemism of populations which continue to yield new species discoveries.

About the Rock Islands Southern Lagoon

Rock Islands Southern Lagoon

The Rock Islands Southern Lagoon in Palau is a preserved marine landscape consisting of about more than 400 islands that are uninhabited. These islands are named as such for their iconic shape. The islands within this archipelago are formed out of volcanic origin. The abundant rainfall in these islands has resulted in the formation of diverse habitat in the area, along with the over 50 marine lakes.

Even though the islands that make up the Rock Islands Southern Lagoon are currently uninhabited, there have been records of settlement in some of these islands. In fact, archaeologists and explorers were able to unearth rock art, remains of island settlement, and cave burial sites among these islands in Palau. For this reason, there is a cultural value to the islands, on top of its rich natural landscape and marine life.

There are several notable islands among hundreds that make up the Rock Islands Southern Lagoon. The three largest islands are Ulong, Eil Malk, and Ngeruktabel. There are also several other notable islands that form this UNESCO site namely Bukrrairong, Ongael, Ngeteklou, Ngerukeuid, and Bablomekang, to name a few.

In addition to the record of human settlement, there is also a rich level of biodiversity among the Rock Islands Southern Lagoon. The large reef system on the islands serves as home to various marine species such as 13 species of sharks, 7 giant clam species, endemic nautilus and more than 700 species of fish. Dugongs are also highly seen among these islands. There is also rich diversity among the coral species as there are nearly 400 recorded species of them in the area.

Tourism and Preservation

Rock Islands Southern Lagoon

The tourism industry is one of the largest industries that support the development of the Rock Islands Southern Lagoon in Palau. It is a haven for water sports and activities such as scuba diving, snorkeling, and kayaking. There are several notable dive spots in the area including the German Channel, The Blue Corner, and Blue Holes. The Jellyfish Lake is its most popular attraction, though. This lake is home to two species of jellyfish: Moon and Golden Jellyfish. Since these two species are unable to sting, the lake is considered safe to swim in.

The rise in tourism activity within Rock Islands Southern Lagoon has given rise to a potential threat to the integrity of the natural and cultural significance. The management and supervision of the Rock Islands Southern Lagoon are under the responsibility of the Koror State of Palau. They are the ones to ensure that any tourist activity in the area does not threaten or undermine the environmental regulations put in place on the islands and the archaeological ruins. Since the area is uninhabited, the only major threat to the islands comes from the rising sea levels.

Gary Arndt
Gary Arndt

Gary began traveling the world in 2007. His travels have taken him to over 200 countries and territories and 400 UNESCO World Heritage Sites.

He is a 3x Lowell Thomas Award winner and a 3x North American Travel Photographer of the Year.

Book Your Trip

Book Your Accommodation is hands-down the best way to book accommodation—it offers the lowest rates, and the massive community of user reviews helps you decide on the exact right place to stay, from high end hotels to budget hostels.

Find Interesting Things to Do
Viator, a TripAdvisor property, offers tours all over the world. I also love GetYourGuide, a scrappy booking engine with great prices and a wide selection of tours on every corner of the earth. If you’re keen to take a multi-day tour, I’ve been on more than a dozen G Adventures tours and highly recommend the company.

Protect Yourself With Travel Insurance
Travel insurance is the single best way to protect yourself and your trip from unforeseen complications, illness, theft, and more. Book travel insurance with a trusted company for your international adventure. World Nomads is the best for adventurous trips and budget travelers. International Medical Group (IMG) offers great prices for families and seniors traveling the world. The EE team has used both for more than a decade and highly recommends choosing the one that best fits your next trip.

Pack the Necessities
I carry a lot of travel gear, but I never leave without my travel adapters. This Glamfield one is my favorite: It features three USB chargers, USB-C, and adapts to most plugs anywhere in the world! If you’re looking for a lower profile adapter, however, you can’t go wrong with this one (I carry both!).