Palau’s Jellyfish Lake (Explored)

Palau’s Jellyfish Lake is a unique and magical place where you can swim with thousands of harmless jellyfish.

Located on Eil Malk Island, this marine lake is home to golden jellyfish that migrate across the lake daily.

Swimming among these gentle creatures in the crystal-clear water is a once-in-a-lifetime experience that attracts visitors from all over the world.

Let’s explore the lake together!

🔥 Palau Jellyfish Lake
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Unique Features of Jellyfish Lake

Palau’s Jellyfish Lake, located on Eil Malk Island, is renowned for several unique features that make it a must-visit destination:

Home to Thousands of Golden Jellyfish

Jellyfish Lake is famous for its population of golden jellyfish, which are not found anywhere else in the world. These jellyfish have adapted to the lake’s isolated environment over thousands of years, evolving to lose most of their stinging ability, making them harmless to humans.

Daily Migration

One of the most fascinating aspects of Jellyfish Lake is the daily migration of the jellyfish. Each day, the jellyfish move across the lake, following the sunlight from east to west.

Their need for photosynthesis drives this migration, as they host symbiotic algae within their bodies that require sunlight to produce energy.

Unique Ecosystem

The lake is a marine lake, meaning it is connected to the ocean but isolated enough to develop its own unique ecosystem. This isolation has allowed species like the golden jellyfish to evolve separately from their ocean counterparts. The lake’s water layers do not mix, creating distinct habitats for different organisms.

Hypoxic Layer

Jellyfish Lake features a hypoxic layer, a layer of water near the bottom that is low in oxygen and high in hydrogen sulfide. This layer is toxic to most marine life and creates a natural boundary, preventing the jellyfish from venturing too deep and contributing to their surface-level migration.

Scenic Surroundings

Surrounded by lush jungle and dramatic limestone cliffs, the lake itself is a picturesque setting. The clear blue waters provide excellent visibility, making it easy for visitors to observe and swim among the jellyfish.

Conservation Efforts

Jellyfish Lake is a protected area, and efforts are made to preserve its unique environment. Visitors are required to follow specific guidelines to minimize their impact on the lake and its inhabitants, ensuring that this natural wonder remains unspoiled for future generations.

Activities at Jellyfish Lake

Following are the activities to enjoy at Jellyfish Lake:

ActivityDescriptionTips for Visitors
SnorkelingFloat among thousands of golden jellyfish in clear waters.Bring your own snorkeling gear for a better fit; follow guidelines to protect the jellyfish.
PhotographyCapture stunning underwater and above-water shots of the jellyfish and surrounding landscape.Use underwater cameras or waterproof cases; take advantage of the lake’s clear waters for best shots.
KayakingExplore the lake’s perimeter and enjoy the scenic surroundings from a kayak.Ideal for those who prefer not to swim; follow safety instructions and stay within designated areas.
Guided ToursLearn about the lake’s history, ecosystem, and jellyfish behavior from local guides.Choose reputable tour operators; tours often include transportation, permits, and snorkeling equipment.
Wildlife ObservationObserve various species of fish, microorganisms, and local wildlife in and around the lake.Bring binoculars for bird watching; respect wildlife and maintain a safe distance.
Relaxation and Nature AppreciationEnjoy the tranquil setting, meditate, and appreciate the natural beauty of the area.Find a quiet spot to relax; avoid disrupting the natural environment.
Activities to enjoy at Jellyfish Lake

Nearby Attractions at Jellyfish Lake

When visiting Jellyfish Lake in Palau, there are several nearby attractions worth exploring:

1. Rock Islands

The Rock Islands are a group of small, uninhabited islands with stunning limestone formations. These islands are perfect for kayaking, snorkeling, and exploring hidden lagoons and beaches.

The clear waters and vibrant coral reefs make it an excellent spot for underwater adventures.

2. Milky Way Lagoon

Milky Way Lagoon
Milky Way Lagoon via Google Earth

Milky Way Lagoon is a unique spot where the water is filled with white, creamy mud. Visitors can swim in the lagoon and cover themselves with the mud, which is believed to have rejuvenating properties for the skin.

It’s a fun and relaxing experience, and the bright blue water contrasts beautifully with the white mud.

3. Ngardmau Waterfall

Ngardmau Waterfall is the tallest waterfall in Palau. It’s located on the island of Babeldaob and offers a refreshing spot to cool off after a hike through the lush jungle.

The trail to the waterfall is scenic, passing through forests and rivers, and the waterfall itself is a beautiful place to relax and take photos.

4. Peleliu Island

Pelileu Island
Pelileu Island via Google Earth

Peleliu Island is rich in World War II history. Visitors can explore the remnants of the battlefields, including tanks, planes, and memorials.

There are also beautiful beaches and diving spots around the island, making it a great mix of history and natural beauty.

5. Long Beach

Long Beach is a beautiful, white-sand beach that appears only during low tide. It’s a great place for a leisurely walk, sunbathing, and enjoying the serene surroundings.

The clear waters are also ideal for swimming and snorkeling.

6. Koror

Koror is the largest city in Palau and serves as a hub for tourists. It offers various cultural and historical attractions, including the Belau National Museum and the Etpison Museum, which showcase Palau’s history and traditions.

Koror also has restaurants, shops, and markets where you can experience local cuisine and buy souvenirs.

These nearby attractions add to the adventure and enjoyment of your visit to Jellyfish Lake, offering a mix of natural beauty, history, and relaxation.


How do the jellyfish in the lake differ from other jellyfish?

The golden jellyfish in Jellyfish Lake have lost most of their stinging ability due to the lake’s unique environment. They are harmless to humans and rely on a symbiotic relationship with algae for sustenance.

Is it safe to swim in Jellyfish Lake?

Yes, it is safe to swim in Jellyfish Lake. The golden jellyfish do not sting, making it a unique and safe environment for snorkeling.

How can I get to Jellyfish Lake?

You can reach Jellyfish Lake by taking a boat tour from Koror, the largest city in Palau. From there, it’s a short hike to the lake.


  • Swimming with thousands of harmless golden jellyfish in a serene and picturesque environment.
  • A unique ecosystem formed over thousands of years, showcasing the beauty and diversity of nature.
  • Part of Palau’s rich natural heritage, contributing to the country’s ecological and tourism appeal.
  • Easily reachable from Koror with various tour options, making it a convenient destination for travelers.
  • Opportunities to explore other stunning sites in Palau, such as the Rock Islands and Ngardmau Waterfall.
  • Offers a range of activities including snorkeling, kayaking, and wildlife observation for an enriching experience.
  • Suitable for nature lovers, photographers, adventure seekers, and those looking for a peaceful retreat.
Palau Jellyfish Lake

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