About this spot
Underwater geothermal vent emitting continuous bubbles at ~20m — unique in the region. Activity reportedly increases when the nearby Taal volcano has an upsurge.
● Dive SpotsEast side of Maricaban Island, Tingloy
reefmarine sanctuarygeothermal vent
Malajibomanoc Island
Marine-sanctuary reef off east Maricaban with a 20m underwater geothermal vent. Snorkelable shallows, blacktip reef sharks. Intermediate, 3–25m.
East side of Maricaban Island, TingloyAlso known as Lighthouse · Chicken Feathers · Malahibomanok
Intermediate3 – 25 m depthReefCurrent: ModerateGreat for freedivingLow traffic
Diver logs
Write a reviewNo diver logs yet. Be the first to log a dive here!
Marine life you'll see
Commonly sightedCorals
Crinoids
Barrel sponges
Parrotfish
Batfish
Groupers
Occasional blacktip reef sharks
Frogfish
Conditions
What to expectEntry
Boat
Visibility
10–20m
Best months
Nov · Dec · Jan · Feb · Mar · Apr · May
Difficulty
Intermediate
intermediate
Current
Moderate
mild to moderate
Spearfishing
Prohibited
For freedivers
Apnea notesGreat for freedivingNo permanent line
Marine-sanctuary reef with a novelty feature: the 20m-deep hot-spring bubbles are at the edge of comfortable freedive depth. Shallow reef above (3–12m) is perfectly snorkelable. Activity at the vent has reportedly increased with Taal volcano unrest — approach with caution.
Location & access notes
NE Maricaban near Pisa/Bonito side; ~45 min boat from Anilao. Marine sanctuary with an unusual underwater geothermal vent feature.
Where it is
East side of Maricaban Island, TingloyArea
East side of Maricaban Island, Tingloy
Coordinates
13.6277°, 120.9656°
Frequently asked questions
About Malajibomanoc IslandHow deep is Malajibomanoc Island?
Malajibomanoc Island ranges from 3 to 25 metres deep, with its deepest point around 25 m.
Is Malajibomanoc Island good for beginners?
Malajibomanoc Island is rated intermediate — comfortable for certified divers with some experience, but not ideal for a first dive.
What will I see at Malajibomanoc Island?
Divers at Malajibomanoc Island commonly see Corals, Crinoids, Barrel sponges, Parrotfish, Batfish, Groupers.
Is Malajibomanoc Island good for freediving?
For freedivers, Malajibomanoc Island is rated 'Great for freediving'. Marine-sanctuary reef with a novelty feature: the 20m-deep hot-spring bubbles are at the edge of comfortable freedive depth. Shallow reef above (3–12m) is perfectly snorkelable. Activity at the vent has reportedly increased with Taal volcano unrest — approach with caution.
Where is Malajibomanoc Island and how do you get there?
Malajibomanoc Island is located in East side of Maricaban Island, Tingloy, reached by Boat entry.
When is the best time to dive Malajibomanoc Island?
The best months to dive Malajibomanoc Island are Nov, Dec, Jan, Feb, Mar, Apr and May.
Can you spearfish at Malajibomanoc Island?
Spearfishing at Malajibomanoc Island is Prohibited. Always check current local regulations before spearfishing.
Similar dive spots
You might also likeFreediving guides
Plan your trip+Sources (3)
- · https://underwaterasia.info/philippines/anilao-diving
- · https://dumagueteinfo.com/other-destinations/luzon/the-enchanting-and-beautiful-dive-sites-of-anilao/
- · GPS pin (high confidence) refined 2026-05-21 from Zentacle: 13.6277, 120.9656. ⚠ Shifted 7.2km from previous pin — verify against operator references in location_notes before publishing.
← Back to Dive Spots
Last verified May 2026