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Jellyfish Lake

  • Palau

  • Bucket List Experience

Last updated: 18 March, 2024

An unobtrusive, ordinary-looking lake, buried deep in the Tarzan-esque junglescape of Palau’s Rock Islands, is the setting for one of nature’s wonders.

Jellyfish lake, as it is known, is home to stingless golden jellyfish – millions of them – that migrate across the lake and back daily, following the path of the sun.

It’s thought the lake was formed around 12,000 years ago, when rising sea levels filled the lake, before receding. The stranded jellyfish, lacking natural predators, were then able to profilerate and evolve to the lake’s unique conditions.

Scuba diving is banned for safety reasons, but local tour operators run daily snorkelling trips.


Price from: £150
Minimum age: Any
Age suitable: 13+
When: All year around
Duration: 5-8 hours

Getting there & doing it

You can rent your own boat to cruise on your own to Jellyfish Lake, but it can be tricky to find in the maze-like Rock Islands. Better to sign up for an organized half-day or full-day trip with a Koror-based operator. A 45-minute ridiculously scenic boat ride through the Rock Islands brings you to the small island of Eil Malk, where you’ll hike a short but steep trail over the ridge to reach the lake. Be warned, it’s in the middle of nowhere, so there is no food or drink available. Organised tours will bring bottled water and usually snacks.

If you don’t fancy the swim, helicopter flights over Palau are way to appreciate the Rock Islands, and usually include a fly-over of Jellyfish Lake, where you can often see the cloud of critters below.

When to do it

Tours run all year round, seven days a week. Although the weather is best on the island from November through to May, it doesn’t impact jellyfish sightings.

Mid-morning through early afternoon is the best time to go since the animals follow the sun’s movement across the lake. There are fewer crowds at lunchtime.

Who to go with: organised tours


Our selection of the best Viator tours of this attraction or activity

Jellyfish Lake, Milky Way, Beach and Rock Island Tour

  • Koror

Experience the beautiful islands and wonderful reefs of Palau by snorkelling or kayaking. During the tour, visitors will see some of Palau's most scenic beaches, the amazing Jellyfish lake, and abundant marine life. Minimum 4 participants.

Price $200

Min age 0

Rating 5 / 5 [12 ratings]

Tour supplied by:

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