Palau’s Jellyfish Lake: The World’s Most Unique Lake
Last updated 2026-09-25 — Just added to the list of the world’s 15 most unique lakes earlier this month, Palau’s Jellyfish Lake is undoubtedly the most famous attraction in Palau.
Just added to the list of the world’s 15 most unique lakes earlier this month, Palau’s Jellyfish Lake is undoubtedly the most famous attraction in Palau.Jellyfish Lake is located on an uninhabited coral reef island within the Macherchar Island group in Palau...; because the people of Palau place great emphasis on preserving their natural ecology, even though Jellyfish Lake has become a major tourist spot, they refuse to build artificial walkways that would damage the environment. Therefore, to admire the freely swimming jellyfish, after disembarking, you’ll need to spend about 15 minutes climbing over a small coral reef hill to reach the lake.
Palau’s Jellyfish Lake was recently selected as one of the world’s most unique lakes due to its special ecological landscape. (Image source / Free Travel Talk)
Jellyfish Lake is a closed mountain lake. At one time in the past, when sea levels were higher, seawater entered this area, bringing jellyfish with it. Later, as sea levels dropped, it formed an inland lake, leaving these jellyfish isolated in this enclosed body of water. However, the upper layer of the lake still connects to the open sea through gaps in the coral reef during high tide, while the water below 18 meters remains stagnant. Since the jellyfish here do not need to hunt for food and have no natural predators, their stingers and long tentacles have gradually degenerated, resulting in non-toxic jellyfish.
Swimming alongside the jellyfish in Jellyfish Lake is an unforgettable experience. (Image source / Free Travel Talk)
Jellyfish Lake was discovered in 1982 and officially opened to tourism in 1985.When you go snorkeling here, you can swim among countless jellyfish. There are mainly two types of jellyfish in the lake: the orange, ball-shaped Golden Mastigias jellyfish and the transparent, disc-shaped Moon Jellyfish.There are also large schools of silvery fish and sea anemones, with the Golden Jellyfish being the most numerous. They often migrate with the movement of the sun. This is because, over time, the orange jellyfish developed a symbiotic relationship with the algae attached to their surface, relying on the nutrients secreted by the algae for survival. As a result, the orange jellyfish rise to the surface each day to absorb sunlight, enabling the algae to perform photosynthesis. The Moon Jellyfish are less numerous nowadays, so spotting them is a matter of luck.
The orange jellyfish rise to the surface daily to absorb sunlight, looking adorable and charming. (Image source / Free Travel Talk)
The most exciting part of visiting Jellyfish Lake is being surrounded by thousands of jellyfish and enjoying the joy of dancing with them. However, jellyfish are very delicate, and apart from snorkeling, other water sports are prohibited in the lake. Even if you wear fins, you should move slowly to avoid accidentally hitting the jellyfish. And under no circumstances should you take the jellyfish out of the water and play with them like balls.
Additionally, under the scorching Palau sun over several consecutive days, Milk Lake, known for its skin-beautifying effects, is a must-visit spot for beauty-conscious women.
The volcanic mud at Milk Lake has beautifying and skincare benefits. (Image provided / MK Editorial Department)
Here, there is a type of volcanic mud at the bottom of the lake. Both men and women can apply it all over their bodies, wait a few minutes, then rinse it off in the water while soaking in the lake to enjoy a natural spa treatment. Your skin will instantly become incredibly smooth and soft, with effects comparable to those of Canadian glacial mud or the Dead Sea mud.Milk Lake is a mountain lake located within the Rock Islands. In ancient times, this area experienced frequent volcanic activity. Volcanic ash from eruptions settled at the bottom of the lake, and over the years, it formed a thick layer of volcanic mud. Because the milky-white volcanic mud at the lake bottom resembles milk, and the water has a cloudy white appearance, it is called Milk Lake.
The volcanic mud is rich in various minerals and is considered a beauty and skincare treasure—something you must experience when visiting Palau. (Image provided / MK Editorial Department)
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