Dive SpotsMabini – Secret Bay area
muckmacrogeothermal vent

Bubble's Point

Black-sand muck slope with volcanic bubbles venting from the seabed. Same Secret Bay critter list. Beginner–intermediate, 5–20m, calm.

Mabini – Secret Bay areaAlso known as Bubbles · Bubbles Muck
Beginner5 – 20 m depthMuck / SandCurrent: No currentOkay for freedivingModerate traffic

About this spot

Black-sand muck slope punctuated by a continuous stream of volcanic bubbles rising from the seabed. Same critter list as Secret Bay — mimic octopus, wonderpus, blue-ringed octopus, hairy frogfish, ornate ghost pipefish, thorny seahorses, Coleman shrimps, scorpionfish, Bobbit worms.

Diver logs

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Marine life you'll see

Commonly sighted

Volcanic bubble vent

Mimic octopus

Wonderpus

Blue-ringed octopus

Hairy frogfish

Thorny seahorses

Ornate ghost pipefish

Coleman shrimp

Conditions

What to expect
Entry
Boat
Visibility
10–20m
Best months
Nov · Dec · Jan · Feb · Mar · Apr
Difficulty
Beginner
beginner–intermediate
Current
No current
calm — sheltered from Maricaban Strait
Spearfishing
Regulated

For freedivers

Apnea notes
Okay for freedivingNo permanent line

Novelty value — swimming through the bubble column is a unique sensation for freedivers. Otherwise the critter hunt is a long-hover scuba task; skip unless you want the bubble experience or are warming up in a sheltered zone.

Location & access notes

Sub-site within the Secret Bay / Mainit Muck complex on the sheltered side of the southern peninsula. Named for the underwater volcanic bubbles venting from the seabed. Distinct from the Malajibomanoc hot-spring bubbles across in Tingloy.

Where it is

Mabini – Secret Bay area
Area
Mabini – Secret Bay area
Coordinates
13.689017°, 120.9003°

Frequently asked questions

About Bubble's Point

How deep is Bubble's Point?

Bubble's Point ranges from 5 to 20 metres deep, with its deepest point around 20 m.

Is Bubble's Point good for beginners?

Yes. Bubble's Point is a beginner-friendly dive spot, with Boat entry, suitable for new and trainee divers.

What will I see at Bubble's Point?

Divers at Bubble's Point commonly see Volcanic bubble vent, Mimic octopus, Wonderpus, Blue-ringed octopus, Hairy frogfish, Thorny seahorses.

Is Bubble's Point good for freediving?

For freedivers, Bubble's Point is rated 'Okay for freediving'. Novelty value — swimming through the bubble column is a unique sensation for freedivers. Otherwise the critter hunt is a long-hover scuba task; skip unless you want the bubble experience or are warming up in a sheltered zone.

Where is Bubble's Point and how do you get there?

Bubble's Point is located in Mabini – Secret Bay area, reached by Boat entry.

When is the best time to dive Bubble's Point?

The best months to dive Bubble's Point are Nov, Dec, Jan, Feb, Mar and Apr.

Can you spearfish at Bubble's Point?

Spearfishing at Bubble's Point is Regulated. Always check current local regulations before spearfishing.

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Last verified May 2026