Scuba Diving at Portulano House Reef

Diving atPortulano House Reef (Philippines)

Portulano House Reef stands as a prominent and accessible dive site within the Balayan Bay Marine Protected Area. Its location within a private cove ensures sheltered conditions, often contributing to consistent underwater visibility. This reef is celebrated for its reputation as a vibrant marine sanctuary, offering abundant marine life encounters directly from shore. It’s part of a larger commitment to conservation and responsible diving practices in one of the world's most biodiverse regions.

Evening condition tracking at Portulano House Reef features an air temperature of 26.5°C. We have recorded wave heights measuring 0.2m during this period. These figures outline the environmental parameters currently present.

Dive Site Coordinates

13.8139, 120.9087

Dive Site Characteristics

BeachOceanSandy Bottom

Key Dive Site Facts

Max Depth60m / 196ft
Entry TypeShore
Water Typesalt
Dive TypesReef

Dive Site Overview

A dive at Portulano House Reef immerses individuals in a vibrant, sloping reef system, immediately accessible from shore. Its colorful environment is dominated by hard corals and a dense cover of various sponges, anemones, and other soft corals.

It's a versatile spot, suitable for a range of dive experiences from novice to advanced, with recreational divers finding ample exploration within shallower sections. The reef descends to a maximum depth of 60 m (196 ft), allowing for extended bottom times at different levels. Beach entry is comfortable, leading smoothly into the reef, sandy bottom, and ocean dive types.

Divers frequently encounter resident schools of scad fish and bat/spade fish. Turtles are a common sight, gracefully navigating the coral formations.

Smaller, intriguing inhabitants include electric clams, ribbon eels, parrotfish, surgeonfish, butterflyfish, and clownfishes, all adding to the reef's rich tapestry. Sandy stretches often reveal stingrays and flounders.

Occasionally, more elusive creatures such as ambon scorpionfish and demon stingers appear. For night diving, it's an excellent dive for spotting critters like bobtail squids, octopus, and ghostpipefishes, offering unique underwater photography opportunities.

Best Time to Dive

Optimal diving conditions at Portulano House Reef generally prevail during April, May, June, and December, earning these months an 'Excellent' dive score. During this period, air temperatures are particularly comfortable, ranging from 28.1°C (82.6°F) in June to 29.4°C (84.9°F) in May. Rainfall is notably lower, with amounts from 2.02mm in April to 4.33mm in May, ensuring minimal surface disruption. The remaining months of the year, from January to March and July to November, consistently offer 'Good' diving conditions. Air temperatures remain warm, typically between 26.1°C (79°F) in January and 27.7°C (81.9°F) in July and August. While rainfall sees an increase in these months, peaking at 12.7mm in October and 10.65mm in July, it typically does not significantly hinder diving activities. Wave heights generally remain manageable throughout the year, usually between 0.4m (1.3 ft) and 0.8m (2.6 ft), contributing to pleasant surface conditions.

Jan: GoodScore: 8/10
Feb: GoodScore: 8/10
Mar: GoodScore: 8/10
Apr: ExcellentScore: 9/10
May: ExcellentScore: 9/10
Jun: ExcellentScore: 9/10
Jul: GoodScore: 7/10
Aug: GoodScore: 8/10
Sep: GoodScore: 8/10
Oct: GoodScore: 8/10
Nov: GoodScore: 8/10
Dec: ExcellentScore: 9/10
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Excellent
Good
Moderate
Poor
Unsafe

Climate Historical Averages

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

Month
Air Temp
Max Waves
Wind Speed
Rain
January26°C0.5m20 km/h2.0 mm
February27°C0.6m22 km/h2.2 mm
March28°C0.5m20 km/h1.7 mm
April29°C0.4m20 km/h2.0 mm
May29°C0.5m20 km/h4.3 mm
June28°C0.5m16 km/h6.4 mm
July28°C0.8m21 km/h10.7 mm
August28°C0.6m19 km/h6.5 mm
September27°C0.6m18 km/h9.2 mm
October27°C0.5m17 km/h12.7 mm
November27°C0.5m18 km/h5.2 mm
December27°C0.5m19 km/h3.7 mm

Dive Experience & Conditions

Conditions at Portulano House Reef often present a gently sloping reef, beginning in shallow depths directly from shore and extending down to its maximum depth. This makes it an ideal area for divers of all certification levels, from Open Water to Deep Diver. The reef structure, characterized by very colorful hard corals and extensive dense cover of various sponges and anemones, creates a vibrant ecosystem. Water entry is straightforward via the shore/beach, offering easy access to the underwater environment. Water temperature for this specific site is not consistently reported in the system data; however, similar reefs in the region typically experience waters around 27-30°C (81-86°F), offering warm and comfortable conditions throughout the year. Strong currents are not frequently reported for this house reef, though conditions can vary depending on tides and weather patterns.

Dive Difficulty & Safety Guidelines

Navigating Portulano House Reef requires attention to responsible diving practices, particularly given its status as a Marine Sanctuary and its ongoing coral restoration project. Maintaining excellent buoyancy control is essential to avoid contact with the dense hard and soft coral cover, protecting both the diver and the fragile ecosystem. Divers should always plan their profiles within their certification limits, especially when considering the maximum depth of 60 m (196 ft). Observing marine life without disturbing it is paramount; do not touch or harass any creatures. The resort itself promotes conservation and responsible diving, encouraging all divers to uphold these principles during their visit.

Recommended Equipment

No verified equipment items yet.

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Verified equipment recommendations for this dive site are being reviewed and may be added as additional source checks are completed.

Recommended Dive Suit

Weather models currently point toward consistent diving conditions over the next several days.

Even in warm destinations, extended dives can gradually draw heat away from the body. Stronger winds may also make surface intervals feel cooler than usual.

Exposure protection such as 2-3mm shorty or light wetsuit is commonly used when diving in waters of this temperature. Consider warmer surface protection (like a boat coat) due to brisk winds. Divers preparing to enter the water at Portulano House Reef will likely find temperatures around 29°C (84°F) today. Surface air temperatures are resting at 27°C (80°F).

Conditions last reviewed: 18:00 using the latest environmental data.

Dive Logistics & Preparation

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Hyperbaric Chamber

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Entry Requirements

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Currency

PHP

Nearest Airports

Nearest airports to help plan travel to this dive area.

✈️Ninoy Aquino International AirportMNL
78 km
✈️San Jose AirportSJI
161 km
✈️Francisco B. Reyes (Busuanga) AirportUSU
207 km

Marine Life at Portulano House Reef

The underwater landscape of Portulano House Reef provides a rich habitat that supports a wide array of marine species. Here, divers can frequently observe turtles making their way across the reef, alongside schools of scad fish and resident bat/spade fish. Among the vibrant hard and soft corals, numerous smaller creatures thrive. Electric clams, ribbon eels, parrotfish, and various surgeonfish, butterflyfish, and clownfishes are commonly found navigating the reef. The open sandy areas often reveal stingrays and flounders, blending into the substrate. Occasional sightings of unique species like ambon scorpionfish and demon stingers are also reported. Night dives further expand the opportunities to spot nocturnal critters, including bobtail squids, octopus, and ghostpipefishes, which emerge to offer distinct photographic subjects.

Dive Centers Near Portulano House Reef

Maximum Freediving

Maximum Freediving

Philippines10.6 km away

Unverified 4.9

Frequently Asked Questions

What is the maximum depth at Portulano House Reef?

Portulano House Reef descends to a maximum depth of 60 m (196 ft). Divers can explore various levels according to their certification and experience, with plenty to see in shallower areas.

What kind of corals can be seen here?

Characterized by a very colorful sloping structure, the reef features mostly hard corals. Dense coral cover of various sponges, anemones, and other soft corals also contributes to its vibrant ecosystem.

Is Portulano House Reef suitable for night diving?

Yes, Portulano House Reef is considered an excellent site for night diving. It offers numerous critters for photography, such as bobtail squids, octopus, and ghostpipefishes, which are more active after sunset.

What types of marine life are commonly encountered?

Common sightings include turtles, schools of scad fish, bat/spade fish, electric clams, ribbon eels, parrotfish, surgeonfish, butterflyfish, and clownfishes. In sandy areas, stingrays and flounders are often seen, with occasional appearances of ambon scorpionfish and demon stingers.

Is shore entry available at this dive site?

Yes, Portulano House Reef offers convenient shore entry. Divers can access the reef directly from the beach, making it easily accessible for various dive types.

What courses are recommended for diving this site?

Recommended courses include PADI Open Water Diver, PADI Enriched Air Diver, PADI Rescue Diver, and PADI Deep Diver due to the site's varied depths. PADI Night Diver and PADI Underwater Photographer are also beneficial for specialized experiences here.

Is there a coral restoration project here?

Yes, an ongoing 'Coral Crusade' conservation project is active. Divers can learn about and observe how corals of opportunity are rescued and transplanted to the reef, contributing to its health.

How accessible is the Portulano House Reef?

Portulano House Reef is highly accessible, situated in a private cove within Balayan Bay. It's located north of Anilao, Batangas, and is approximately a two-hour drive from Manila International Airport, offering easy access to its beautiful reef.

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