Bioluminescence- Duration
- 2 days
- Kids
- Kid+
- Cost
- $$
- Permit
- Not needed
- Crowd
- Steady
Bioluminescence in Mosquito Bay
United States
The brightest bioluminescent bay ever recorded, glowing blue-green with every movement in the water.
Skill · Beginner
Bioluminescence in Koh Rong
Preah Sihanouk·Cambodia
Photo: Peazapata · Wikimedia Commons (CC BY-SA 4.0)
~3 days
Why go
Koh Rong is an island of white beaches and jungle off the Cambodian coast, where the plankton glows in the shallows on dark nights. You can wade or swim straight from the beach to see it.
When
In season: Year-round · Peak: Nov–May
Who it’s for
Skill
Beginner
Effort
Casual
Suitable from
6+ · Kid+
Crowds
Steady
Cost
$
Bioluminescence specifics
- Access
- Ferry from Sihanoukville
- Swimming
- Allowed
- Best time
- Moonless dry-season nights
- Phenomenon
- Plankton bioluminescence
What to expect
Warm water, simple beach bungalows and a glow best seen away from bar lights. The dry season brings the calmest seas.
How to start
Take the ferry from Sihanoukville and stay on a quieter beach. Swim after dark on moonless nights, away from the lights.
Bioluminescence elsewhere
Bioluminescence
Bioluminescence- Duration
- 3 days
- Kids
- Kid+
- Cost
- $$
- Permit
- Not needed
- Crowd
- Steady
Bioluminescence in Holbox
Mexico
Glowing shallows on car-free Holbox island, in the same season as the whale sharks.
Skill · Beginner
Bioluminescence- Duration
- 3 days
- Kids
- Kid+
- Cost
- $$
- Permit
- Not needed
- Crowd
- Steady
Bioluminescence in the Matsu Islands
Taiwan
The blue tears, glowing plankton that light up the coves of the Matsu Islands from spring to summer.
Skill · Beginner
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