Sheltered black-sand slope widely rated among the planet's top muck sites. Mimic octopus, hairy frogfish, Coleman shrimps, and world-class night dives.
The calm, sheltered conditions make this a warm-up site, but the critter-hunting payoff is a long-hover scuba task. For freedivers, this is a novelty/snorkel stop rather than a primary destination.
Black-sand muck site adjacent to Mainit Point on the sheltered side of the peninsula. Contains at least four named sub-sites including 'Bubble's Point' where volcanic bubbles emerge from the seabed. Became known to the wider dive community in late 2009. Shore or boat entry from southern resorts.
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Yes. Secret Bay is a beginner-friendly dive spot, with Either entry, suitable for new and trainee divers.
Divers at Secret Bay commonly see Mimic octopus, Wonderpus, Hairy frogfish, Thorny seahorses, Pipefish, Dragonets.
For freedivers, Secret Bay is rated 'Not recommended'. The calm, sheltered conditions make this a warm-up site, but the critter-hunting payoff is a long-hover scuba task. For freedivers, this is a novelty/snorkel stop rather than a primary destination.
Secret Bay is located in Mabini – Southernmost Peninsula (near Mainit Point), reached by Either entry.
The best months to dive Secret Bay are Nov, Dec, Jan, Feb, Mar and Apr.
Spearfishing at Secret Bay is Regulated. Always check current local regulations before spearfishing.
Last verified May 2026