Whale Island & Van Phong Bay · Vietnam · Cave & cavern · Night
Bai Su
Night dives through a set of caves at 15 m
Bai Su is a shallow site of caves in Van Phong Bay, known for its macro life and above all for night diving. The caves lie at about 15 m, and the rock around them holds nudibranchs, Spanish dancers, shellfish and tropical fish.
Also known as Baisu.
Where it is and how deep
12.5774° N, 109.4001° EApproximate position — the dashed circle shows where the site lies; your operator's briefing has the mooring.
The dive
Bai Su is best known as a night dive. The route moves between several caves at just 15 m, and the rock around them is worked for nudibranchs, other sea snails and Spanish dancers, with shellfish and tropical fish along the way.
Marine life and season
- Nudibranchs
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fair | Fair | Good | Prime | Prime | Prime | Prime | Prime | Prime | Fair | Fair | Fair |
Season follows Whale Island & Van Phong Bay: Whale Island's dive season runs from mid-February to mid-October, and April to September are the best months for diving.
Dive videos
Scuba Diving in Vietnam: Whale Island - Bai Su: October 3rd 2023 · immersiveEXPLORERS on YouTube
Questions divers ask
Is Bai Su a night dive?+
It is best known as one. The caves sit at about 15 m, and after dark the site is searched for nudibranchs and Spanish dancers.
Sources
- Whale Island – Travel guide & 5 things to do — Local Vietnam
- Top 5 diving destinations in Vietnam — Local Vietnam
- Baisu — ScubaGo
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