Reefwander
A diver hovers beside a coral bommie with a bright green crinoid on a Dauin marine sanctuary reef.

Coral Triangle · Philippines

Dauin

Black-sand shore muck with mandarinfish spawning at dusk

Photo: Austin Rex Lobaton · CC BY-SA 4.0

Dauin is a stretch of black-sand coast south of Dumaguete on Negros Oriental, where the dive resorts sit on the beach and the sites lie directly off it. The sand slopes hold frogfish, mandarinfish, ghost pipefish, flamboyant cuttlefish and a long list of smaller critters, with municipal sanctuaries at Masaplod and the poblacion adding coral and reef fish, and sunken cars and concrete structures acting as artificial reefs. It is a macro photographer's base, dived from the shore or a boat hop of a few minutes, with Apo Island as the day trip.

About diving in Dauin

Dauin's sites lie directly off the black-sand beaches, so resorts either walk divers in from the sand or run boat hops of a few minutes, and pairs go down with a guide working a slow zigzag across the slope, pointing out things you would otherwise swim straight past. Dusk and night dives sit in the ordinary schedule rather than counting as an extra, and nobody travels far between them: three or four dives a day is the norm and the surface interval is spent back at the resort.

Underwater the coast is volcanic sand, dark and close to featureless, where the interest is whatever has settled on it or been put there on purpose: concrete blocks, tyres and, at a couple of sites, sunken cars, all of it colonised by small animals. The municipal sanctuaries at Masaplod and off the poblacion add patches of hard coral and reef fish to the sand, and the Masaplod rubble is where the mandarinfish rise in pairs in the last minutes of light, which is why that dive runs at dusk.

This is a photographer's base above all, and many resorts guide in twos or threes because the sand rewards staying put rather than covering ground. It also works for people who simply want warm, shallow diving with no long crossings, and for mixed groups where one half wants critters and the other wants coral, since Apo Island's reefs are a full-day outrigger trip from the same beach. Divers hoping for big animals or long visibility are better treating Dauin as one stop on a longer Visayas route than a whole trip.

Best time to dive Dauin

Dauin season rating, sea surface temperature, daytime high and rainfall by month, 2011–2025 averages
JanFebMarAprMayJunJulAugSepOctNovDec
SeasonFairFairGoodPrimePrimeGoodGoodGoodGoodGoodGoodFair
Sea surface28°C82°F27°C81°F28°C82°F28°C82°F29°C84°F29°C84°F29°C84°F29°C84°F29°C84°F29°C84°F29°C84°F29°C84°F
Daytime high29°C84°F29°C84°F30°C86°F31°C88°F31°C88°F31°C88°F29°C84°F30°C86°F30°C86°F30°C86°F29°C84°F29°C84°F
Rain139 mm5.5 in97 mm3.8 in91 mm3.6 in79 mm3.1 in154 mm6.1 in252 mm9.9 in277 mm10.9 in219 mm8.6 in214 mm8.4 in258 mm10.2 in219 mm8.6 in179 mm7.0 in
Dauin season rating, sea surface temperature, daytime high and rainfall by month, January to June, 2011–2025 averages
JanFebMarAprMayJun
FairFairGoodPrimePrimeGood
Sea surface
28°C82°F27°C81°F28°C82°F28°C82°F29°C84°F29°C84°F
Daytime high
29°C84°F29°C84°F30°C86°F31°C88°F31°C88°F31°C88°F
Rain
139 mm5.5 in97 mm3.8 in91 mm3.6 in79 mm3.1 in154 mm6.1 in252 mm9.9 in
Dauin season rating, sea surface temperature, daytime high and rainfall by month, July to December, 2011–2025 averages
JulAugSepOctNovDec
GoodGoodGoodGoodGoodFair
Sea surface
29°C84°F29°C84°F29°C84°F29°C84°F29°C84°F29°C84°F
Daytime high
29°C84°F30°C86°F30°C86°F30°C86°F29°C84°F29°C84°F
Rain
277 mm10.9 in219 mm8.6 in214 mm8.4 in258 mm10.2 in219 mm8.6 in179 mm7.0 in

2011–2025 averages. Sea surface: NOAA Coral Reef Watch, measured at the surface, so deeper water can run colder. Daytime high and rain: NASA POWER.

Diveable year-round on the sheltered coast; December–February trade winds can raise chop on the shallow sand slopes.

Best months: April, May

Dauin water temperature and weather by month

The sea surface stays between 27 and 29 °C (81–84 °F) all year. Most rain falls from June to November, peaking at about 280 mm (11 in) in July; February to April are the driest. Daytime highs sit around 30 °C (86 °F) all year. The coldest water here is about 26 °C (79 °F), so pack a 3 mm full suit.

Dive types & marine life

Frogfish, nudibranchs and pygmy seahorses hold year-round on the sand slopes and the sea fans below them, flamboyant cuttlefish and ghost pipefish turn up on the open sand, and mandarinfish rise off the Masaplod rubble in pairs at sunset. Night dives add hunting lionfish, sleeping parrotfish and the worms and crustaceans that come out of the sand after dark.

  • Muck & macro
  • Night
  • Reef
  • Frogfish
  • Nudibranchs
  • Mandarinfish
  • Pygmy seahorses
  • Octopus & cuttlefish
  • Macro critters

Best dive sites in Dauin

Muck & macro

Muck slope and coral bommies ten metres apart

8–22 mintermediate

Sand slope

Metal and concrete structures set on a seagrass flat

to 25 mbeginner

Muck & macro

Coleman shrimp on fire urchins, and the coast's smallest finds

to 18 mbeginner

Artificial reef

Mimic, wonderpus and blue-ringed octopus under the pillars

to 12 mbeginner

Artificial reef

A decade-old tyre reef, grown in and dived after dark too

to 20 mbeginner

Muck and healthy reef on the sanctuary's southern edge

to 30 mintermediate

Muck & macro

Blue-ringed octopus and wonderpus on the rubble

12–18 mbeginner

Muck & macro

Mandarinfish spawning over black sand in the last light

to 15 mbeginner

Artificial reef

Three or four frogfish colour morphs on a single dive

10–20 mbeginner

Artificial reef

An old truck-tyre reef grown over with coral, full of critters

to 20 mbeginner

Muck & macro

Two sunken cars at 24-28 m, with critters in the wreckage

24–28 mintermediate
  • Dauin Marine Sanctuary

    The poblacion's own protected reef and sand, dived from the beach.

How to get to Dauin

Most divers fly into Dumaguete and drive south along the coast for about half an hour to the resorts lining the Dauin beach; ferries also connect from southern Cebu, Siquijor and Bohol. Critter sites are shore or short-boat dives from the resort, and Apo Island is a separate full-day outrigger trip from Dauin or the Malatapay landing.

Photos from Dauin

  • Elias Levy · CC BY 2.0

  • Dan Schofield · CC BY 4.0

  • Elias Levy · CC BY 2.0

  • Reefwander · All rights reserved

  • Reefwander · All rights reserved

  • Reefwander · All rights reserved

Dive videos

BEST MUCK DIVING IN THE WORLD - Dauin Philippines · FinnSnow on YouTube

Apo Island Scuba Diving - Best Coral Reefs & Turtles in Asia?! · Divingscene on YouTube

Photo credits

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