Scuba Diving at Deep Rock

Diving atDeep Rock (Philippines)

Deep Rock presents a striking contrast from other Malapascua sites. While many areas offer gentle slopes for training, this particular site plunges dramatically with its sheer walls. It's an underwater pinnacle, setting it apart as a vibrant, submerged mountain in the northern part of Malapascua. Divers encounter both a rich array of macro life and the potential for pelagic sightings within its varied terrain.

As evening covers Deep Rock, the local air temperature is measured at 28°C. The current wave height at the surface is recorded at 0 m. These late-day readings characterize the surface conditions for the night.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Coordinates11.3512, 124.1029
Site Characteristics
Ocean
Max Depth22m / 72ft
Entry Typeboat
Water Typesalt
Dive Types
Reef

Dive Site Overview

Deep Rock, off Malapascua in the Philippines, is an underwater pinnacle presenting a distinct dive environment. Rising dramatically from the seafloor, its topography features impressive sheer walls that begin at about 5 meters (16 ft) and extend downward to a maximum depth of 30 m (98 ft) on one side, offering a profound sense of verticality.

A more gentle slope on the opposite face provides an alternative profile for exploration. Resting at about 14 meters, the flat top of the rock allows divers ample opportunity for extended bottom time in its shallower, brightly lit sections. Reef walls are extensively covered in vibrant soft and hard corals, creating a rich, colorful tapestry of life across the structure.

As the site descends, the slope transitions to a sandy bottom, where specific macro life often seeks refuge. Intricate rock formations, including small canyons, various holes, and an overhang, provide numerous hiding spots for smaller critters.

This diverse underwater landscape makes Deep Rock suitable for a broad spectrum of divers, from open water students exploring the shallower reef portions to advanced divers seeking greater depths and unique photographic opportunities within its varied terrain.

Deep Rock

Conditions are Good

8/10
Confidence: 8/10
Indicates meteorological model agreement and data availability.

Best Dive Window

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
28° / 32°
Wave Height
0.1 m
Wind Speed
18 km/h SE
Rain Chance
100%

Current conditions near Deep Rock show 28° air, 32° sea temperature, 0.1 m waves, and 18 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 14, 2026, 11:30 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Optimal visibility typically draws divers to Deep Rock throughout the year, benefiting from the consistent tropical climate in the Philippines. Exceptional dive conditions are often reported in April, which typically sees the lowest rain accumulation, averaging around 0.43 mm. During this month, air temperatures average 28°C (82°F), contributing to comfortable surface intervals. Though the rainy season runs from July to December, the site generally maintains good underwater clarity. Water temperatures at Deep Rock are quite inviting, ranging from 25°C (77°F) in January up to 29°C (84°F) in May. Stronger winds, sometimes reaching around 29 km/h (18 mph), are more common in the earlier months of the year, potentially affecting surface conditions, but generally not impacting the underwater visibility for which this site is known.

PEAK SEASON SCORE

88/100
Very Good

Scores combine air & water temps, waves, wind & rainfall for overall conditions.


BEST MONTHS TO DIVE

APR
MAY
JUN
DIVE SCORE
(0–100)
78
JAN
79
FEB
83
MAR
88
APR
88
MAY
87
JUN
75
JUL
86
AUG
75
SEP
75
OCT
80
NOV
83
DEC
AIR TEMP (°C)
27
27
27
28
29
28
28
28
28
28
28
28
WAVES (M)
0.6
0.6
0.5
0.4
0.3
0.2
0.4
0.3
0.3
0.3
0.5
0.5
WIND (KM/H)
29
29
29
26
25
20
25
21
24
22
27
26
RAIN (MM)
4.5
4.1
1.9
0.4
4.1
9.6
10.8
9.3
12.3
10.5
7.3
4.9
DIVE SCORE GUIDE (0–100)
Excellent (90–100)
Very Good (80–89)
Good (70–79)
Moderate (50–69)
Poor (30–49)
Not Recommended (0–29)

Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.

Dive Experience & Conditions

Descending at Deep Rock, divers first encounter the flat top of the pinnacle, sitting around a depth of 14 meters, before exploring the surrounding vertical terrain. Sheer walls quickly drop to the site's maximum depth, creating an exhilarating drift opportunity for experienced divers. Visibility is consistently good, often reaching up to 30 m (100 ft), allowing clear views of the expansive coral coverage. While a light current is usually present, especially when not at slack high tide, it generally enhances drift diving without being overly challenging. Water temperatures remain warm year-round, typically between 25-29°C (77-84°F), making for comfortable dives even in deeper sections. This site is suitable for a wide range of certifications, from novice divers sticking to shallower reef sections to those with more experience venturing to deeper parts along the walls and slopes.

Dive Difficulty & Safety Guidelines

Planning a dive at Deep Rock necessitates awareness of the potential for currents, which, while often light, can occasionally become stronger, especially along the walls. Divers should be proficient in current navigation and maintain good buoyancy control to avoid damaging the delicate coral structures. Always carry a surface marker buoy (SMB) and know how to deploy it, particularly when drift diving is anticipated. Given the site's maximum depth and the sheer walls, advanced certification is recommended for full exploration, though shallower parts are accessible to novices. Monitor your air consumption carefully, especially when exploring deeper sections or if currents require more effort.

Recommended Equipment

  • Dive Computer
  • DSMB

This gear list is based on verified equipment signals for Deep Rock, Philippines. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

Divers planning deeper dives may feel cooler than those staying in shallower areas.

Many divers find that dive skin or rash guard offers a comfortable balance between warmth and mobility. Forecast trends indicate similar diving conditions over the next few days.

Divers heading to Deep Rock today should expect water temperatures around 32°C (89°F). Surface air temperatures are resting at 28°C (83°F).

Deep Rock conditions last reviewed: 11:30 local time (UTC+8), Jun 14, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to Deep Rock.

Hyperbaric Chamber

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.

Before diving, it's recommended to:

  • confirm nearest medical facilities
  • check emergency procedures with local dive operators
  • ensure dive insurance covers evacuation if required
24/7 Available

Divers Alert Network

Diving emergency assistance available through DAN World.

+1-919-684-9111
  • 24/7 emergency hotline
  • Diving medical assistance
  • Evacuation coordination
View official DAN emergency contacts

Emergency contacts are provided for reference. Always verify local emergency services before diving.

Marine Life at Deep Rock

Immediately upon arrival, the vibrant soft and hard corals covering Deep Rock's walls captivate attention. As you scrutinize the reef, a keen eye often reveals nudibranchs and various shrimp tucked among the corals. The site is a known haven for frogfish and scorpionfish, frequently spotted camouflaged against the colorful backdrop. Further exploration may bring encounters with batfish, lionfish, and schools of anthias, butterfly fish, and damselfish swirling above the reef. Look for zebra crabs, garden eels on sandy patches, and even the elusive pygmy seahorses clinging to sea fans. Occasional sightings of white-tip reef sharks and sea snakes are also reported, adding an element of pelagic excitement.

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Nearest Airports

Nearest airports to help plan travel to this dive area.

Calbayog AirportCYP
93 km
Daniel Z. Romualdez AirportTAC
102 km
Mactan Cebu International AirportCEB
116 km
💵Currency:PHP

Search Flights

Check available flights and routes on Expedia, using the nearby airports listed in this section.

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Frequently Asked Questions

What is the typical depth range at Deep Rock?

Depths at this site extend from a shallow plateau around 5 meters down to its maximum recreational depth of 30 meters. This variation accommodates divers of different experience levels.

Is Deep Rock suitable for beginner divers?

Yes, Deep Rock is suitable for novice divers, particularly in its shallower sections. However, advanced divers will find more to explore along the deeper walls and slopes.

What kind of coral can be seen here?

Deep Rock is known for its extensive coverage of both colorful soft and hard corals. They adorn the sheer walls and contribute significantly to the site's vibrant ecosystem.

Are there currents at Deep Rock?

Typically, a light current is present at Deep Rock, which can be beneficial for drift diving. Conditions vary, and stronger currents may be encountered, especially away from slack tide.

What unique marine life might I spot?

Divers can expect to find a rich array of macro life, including nudibranchs, frogfish, and various shrimp. Larger residents like batfish and lionfish are also commonly observed.

Is night diving possible at Deep Rock?

While not explicitly listed as a primary night dive site like some others for Mandarin fish, the diverse macro life and coral formations make it a potentially interesting location for a night exploration.

Can I see thresher sharks here?

Deep Rock primarily offers macro life and reef fish. While Malapascua is well-regarded for thresher shark encounters, specific thresher shark dives are typically conducted at other, dedicated sites.

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