Giant Clam Sanctuary
Why dive here
With 176+ marine species recorded in the area - including giant moray eels, sea turtles, sperm whales, lionfish and pufferfish - Giant Clam Sanctuary offers some of Apo Reef's richest reef diving. Water ranges 28-30°C, warmest May, June, July.
The Giant Clam Sanctuary at Apo Reef is exactly what it says on the tin. We've found dozens of these enormous molluscs here, some well over a meter across, nestled amongst the coral bommies. It's a great spot for newer divers or those who prefer a relaxed current, offering easy navigation and plenty of time to observe these gentle giants. Expect to see smaller reef fish darting around too, but the clams are the main attraction.
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Conditions
Ocean conditions, forecast and tides for Giant Clam Sanctuary
Giant Clam Sanctuary Ocean Conditions
Monthly averages for Giant Clam Sanctuary, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (12.33, 121.06) (26km away)
October Averages
Sea Temperature
30°C
86°F · Range: 28.1–31.3°C
Current Speed
3.16 cm/s
Direction: E (108.4°)
Chlorophyll-a
0.049 mg/m³
Very clear (oligotrophic)
Salinity
32.63 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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