Glide between limestone cliffs, snorkel clear lagoons and end the night swimming through bioluminescent plankton on this 7-hour longtail tour from Krabi. Expect beach BBQ, guided snorkeling and variable night-time plankton displays.
Glide between limestone cliffs, snorkel clear lagoons and end the night swimming through bioluminescent plankton on this 7-hour longtail tour from Krabi. Expect beach BBQ, guided snorkeling and variable night-time plankton displays.
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Operated by Oh-Hoo · Ao Nang, Krabi Province
The longtail's motor drops to a steady hum as the boat slips between limestone teeth—sheer cliffs leaning into the sea like old walls. Salt and grilled seafood ride the wind while the sky bruises orange; this is Hong Islands at sunset, where the lagoon holds still and the water dares you to jump in.
easy.
7 hours.
Suitable for most fitness levels; being comfortable swimming and treading water is recommended for snorkeling stops.
No—bioluminescence depends on plankton concentration, moon phase and sea conditions; guides aim for known spots but sightings cannot be guaranteed.
Yes, most operators include life jackets, masks and snorkels; check in advance if you need specific sizes or fins.
Wear a swimsuit under light clothes, bring a towel, reef-safe sunscreen, a dry bag, and any necessary motion sickness meds; bring cash if you want drinks or tips.
The tour is family-friendly and operators supply life jackets, but non-swimmers should remain cautious and be supervised during water activities.
The karst islands formed over millions of years from limestone uplift and marine erosion; local communities have fished these waters for generations and the islands are now a mix of traditional use and tourism.
Operators increasingly promote reef-safe practices and limit reef contact; avoid anchoring on coral and follow guide instructions to reduce impact.
Oh-Hoo operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




Book with Oh-Hoo
Book directly with Oh-Hoo for the best rates and real-time scheduling.
Reserve Now