Diving Tonga South in Moalboal, Philippines

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Austin Tuwiner
September 23, 2026

In September of 2026, I dove Tonga South with Dive In Amigos, by boat out of Moalboal, Philippines.

It was the third tank of the day, after Pescador Island and the sardine run at Panagsama House Reef.

It's a wall dive, and it's the deepest I went in Moalboal until the next day.

Dive Log · Moalboal, Philippines

Tonga South

Dive Data from my Garmin Descent MK3i
Max Depth
91ft / 27.7m
Avg Depth
45ft / 13.7m
Dive Time
52min
Water Temp
84.2°F / 29°C
Visibility
90ft / 27m
Entry
Boat
Recommended Certification
Advanced

The Dive

The wall at Tonga South dropping into blue water, Moalboal
The Dive In Amigos boat at the surface off Tonga South, Moalboal
Garmin dive computer reading 56 ft and 85.5 degrees at Tonga South, Moalboal
Garmin dive computer reading 88 ft at Tonga South, Moalboal
Descending along the wall at Tonga South, Moalboal

I logged 91 ft (27.7 m) at the deepest, with an average of 45 ft (13.7 m) across 52 minutes.

The wall runs down past where I was diving and keeps going. It's standing over the Tañon Strait, the channel between Cebu and Negros, which bottoms out around 1,640 ft (500 m).

The rock itself is old coral reef that was lifted up out of the sea, which is what the whole Moalboal coastline is built from.

Visibility was 90 ft (27 m), and you can see a long way down the face.

Coming after Pescador and the sardines, this was the quietest of the three tanks and the one with the most structure to it.

What Marine Life I Saw

Butterflyfish on the dark wall face at Tonga South, Moalboal
Spotted nudibranch on the colourful wall at Tonga South, Moalboal
Banded sea snake crossing the rubble at Tonga South, Moalboal
Fish at a cave opening in the wall at Tonga South, Moalboal
Green turtle resting on the reef at Tonga South, Moalboal
Yellow crinoids on the reef at Tonga South, Moalboal
Green turtle under an overhang at Tonga South, Moalboal
Green turtle on the reef in blue water at Tonga South, Moalboal
A field of anemone tentacles at Tonga South, Moalboal
Long thin animal standing off the reef at Tonga South, Moalboal
Ornate ghost pipefish among yellow crinoids at Tonga South, Moalboal

The wall face is where to look, and so is the rubble at the top of it.

The Dive & Conditions

Working down the wall face at Tonga South, Moalboal
Along the wall at Tonga South, Moalboal

Visibility was 90 ft (27 m) on my dive and the water was 84.2°F (29°C).

Dive In Amigos run this as a boat trip out of Moalboal, and it works well as the third tank of a day.

The site is worth diving from September through May.

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ABOUT THE AUTHOR

Austin Tuwiner

I'm a PADI Divemaster based in South Florida.

With over a decade of diving experience, I help readers become better divers, buy their next piece of gear, and plan their dream dive vacation!

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