White Island Old Sanctuary
Why dive here
With 82+ marine species recorded in the area - including manta rays, mobula rays (devil rays), whale sharks and pufferfish - White Island Old Sanctuary offers some of Siargao's richest reef diving. Water ranges 27-30°C, warmest June, August, September.
White Island Old Sanctuary is a mellow dive, perfect if you’re new to the local waters or just getting your fins wet for the first time. We drop down to around 19 meters, finding a mostly sandy bottom dotted with small coral patches and some larger bommies. You’ll often spot a good number of reef fish here: parrotfish chomping on the coral, a few clownfish peeking from anemones, and schools of small jacks zipping by. It’s a comfortable, easy dive, usually with mild currents, which makes it a good spot for building confidence or enjoying a relaxed afternoon underwater.
Typical White Island Old Sanctuary Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Depth of 19m - Advanced Open Water certification recommended.
Always perform a 3-minute safety stop at 5m before surfacing.
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Conditions
Ocean conditions, forecast and tides for White Island Old Sanctuary
White Island Old Sanctuary Ocean Conditions
Monthly averages for White Island Old Sanctuary, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (8.91, 125.03) (20km away)
October Averages
Sea Temperature
30°C
86°F · Range: 29.2–31.2°C
Current Speed
1 cm/s
Direction: S (180°)
Chlorophyll-a
0.333 mg/m³
Moderate productivity
Salinity
32.39 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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