About Tangat Wreck
Tangat Wreck, also known as Kogyo Maru, is a prominent Japanese shipwreck nestled in Coron Bay, Palawan, Philippines. This region is internationally recognized for its exceptional wreck diving, stemming from a 1944 American air raid that sank a fleet of Japanese warships. The wreck lies on its side in relatively shallow waters, making it accessible for a broader range of divers. The Kogyu Maru measures around 140 meters in length and offers a fascinating journey into wartime history. Its cargo holds are easily penetrable, making it an excellent site for those new to wreck diving or looking to hone their skills in a secure environment. The wreck's exterior is extensively covered in vibrant corals and sponges, hosting diverse marine life. Beneath the surface, the Tangat Wreck teems with a variety of marine species. Healthy schools of fish animate the wreck, while crocodile fish, scorpionfish, and nudibranchs can be found nestled within its structures. Groupers, barracudas, and fusiliers often patrol its perimeter. The interior penetration routes reveal remnants of the ship's cargo, including construction materials. Visibility at the site typically ranges from 12 to 25 meters, providing clear views for photographers and explorers alike. While generally a more straightforward wreck dive, local conditions, including currents and tides, should always be factored into dive planning. The dive experience at Tangat Wreck is generally considered suitable for intermediate divers. Its shallower depth compared to other Coron wrecks makes it a great introduction to wreck penetration, though more advanced divers will still find plenty to explore. Entrance into the cargo holds is relatively easy, offering a safe environment to experience internal wreck exploration. The relatively calm conditions and good visibility contribute to a rewarding dive, allowing ample time to appreciate both the historical significance of the wreck and the thriving ecosystem it supports.
Highlights
Season calendar
Dec – Apr (Dec–Apr)
Best diving conditions across most regions. Calm seas, excellent visibility. Tubbataha Reef accessible Mar–Jun only. Thresher sharks year-round at Malapascua.
May & Nov (May, Nov)
Weather shifts between seasons. Still excellent diving in many areas. Fewer crowds and lower prices. Some regions still offer perfect conditions.
Jun – Oct (Jun–Oct)
Typhoon season — mainly affects northern regions. Southern Visayas and Mindanao still offer good diving. Reduced visibility. Best prices and fewest crowds.
Dive site facts: Tangat Wreck
- Depth
- 7–30 m
- Typical dive
- 10–22 m, 45–60 min
- Current
- Light to moderate
- Visibility
- 6–15 m
- Water temperature
- 25–30 °C
- Entry
- Boat / negative entry possible
- Level
- Open Water Diver, AOWD for penetration
- Dive type
- Wreck, reef, history
- Night dive
- Possible
- Region / port
- Coron, Palawan
- Coordinates
- 11.964, 120.215
Conditions & Currents
Currents at Tangat Wreck are generally light, though they can occasionally be moderate and dictate the dive profile. Divers should anticipate a current-led profile, which may influence entry and exit strategies, often involving a boat pick-up downcurrent. While surge is typically flat calm, conditions can vary, particularly during the wet season. Visibility can range from 6 meters on average to better during peak dry season months, requiring careful navigation and buddy team awareness, especially within the wreck. Conservative gas planning is advisable given the overhead environment and potential for variable visibility.
Marine life & sighting chances
Dive profile & how the dive runs
Dives at Tangat Wreck typically begin with a boat descent to the wreck's main deck, which starts at around 7 meters. Divers can then explore the superstructure and upper hull, observing the encrusting corals and abundant reef fish. A common route involves heading towards the bow or stern, following the length of the vessel while progressively descending deeper along the hull to its maximum depth of 30 meters. For appropriately trained and experienced divers, careful penetration into the larger cargo holds is possible, offering glimpses into the ship's interior. The dive usually culminates with a slow ascent, completing the safety stop over the shallower parts of the wreck or an adjacent reef area, before surfacing for a boat pick-up.
Underwater photography
Tangat Wreck presents fantastic opportunities for both wide-angle and macro photography. Wide-angle lenses are ideal for capturing the grandeur of the entire wreck, especially when positioned to show the ship's full length or large sections of its coral-covered structure. For internal shots within the cargo holds, a wide-angle lens with strong artificial lighting, such as strobes or video lights, is essential to combat low visibility and highlight details. Macro photographers will find plenty of subjects on the coral growths and within the wreck's crevices, including nudibranchs, crabs, and frogfish; a focus light will be helpful for these smaller creatures. Maintain excellent buoyancy control to avoid disturbing fragile corals or stirring up silt, which can quickly reduce visibility, particularly inside the wreck.
Combine with nearby dive sites
- Irako Wreck
A deep Japanese refrigeration ship, excellent for advanced wreck divers.
- Okikawa Maru
The largest of Coron's wrecks, a civilian tanker offering varied depths.
- Coron Bay — Skeleton Wreck
A smaller, shallow wreck suitable for all levels, including snorkelers.
- Barracuda Lake
Known for its unique thermoclines and surreal underwater rock formations.
- Cathedral Rock
A reef dive with interesting rock formations and diverse marine life.
- Dimakya Island
Offers vibrant reefs and the chance to spot dugongs.
Getting there & logistics
Access to Tangat Wreck is primarily by boat from Coron Town, Busuanga. Divers typically fly into Busuanga Airport (USU) from Manila (MNL) or Cebu (CEB), then take a short van transfer to Coron Town. Most dive operators in Coron offer daily trips to the wrecks, often combining Tangat Wreck with other nearby sites like East Tangat Wreck or Olympia Maru as part of a multi-dive itinerary. Liveaboard options are also available for more extensive wreck exploration across Coron Bay. Trip lengths can vary from single-day excursions to multi-day packages. There are generally no specific dive site fees beyond standard dive package costs; however, marine park fees may apply to some areas within Coron Bay.
Safety & environment
Safety at Tangat Wreck, like all wreck dives, necessitates adherence to strict protocols. Divers must maintain excellent buoyancy to avoid collision with the wreck or stirring up silt. Given the overhead environment in some sections, proper wreck diving training and conservative gas planning are essential for penetrations. The nearest recompression chamber is located in Puerto Princesa, Palawan, which is a significant distance away, making evacuation potentially complex and time-consuming. Therefore, comprehensive dive insurance that covers emergency medical treatment and evacuation is highly recommended. Always dive with a reputable operator and an experienced local guide who is familiar with the wreck and local conditions.
Who it suits, and who it doesn't
Suited for
- Certified Open Water divers comfortable with mild currents
- Advanced Open Water divers seeking wreck experience
- Wreck specialty divers looking for penetration opportunities
- Underwater photographers interested in history and marine life
- Divers with an interest in World War II history
Less suited for
- Beginner divers without proper training or experience
- Divers uncomfortable with overhead environments
- Divers with poor buoyancy control
- Snorkelers (due to depth and structure)
FAQ
Tangat Wreck FAQ
What is the history behind the Tangat Wreck?
What kind of marine life can I expect to see at Tangat Wreck?
Is the Tangat Wreck suitable for beginner divers?
What are the typical diving conditions at Tangat Wreck?
Can I penetrate the Tangat Wreck?
Why dive Tangat Wreck from a liveaboard?
Tangat Wreck is one of Philippines's signature dive sites. A liveaboard sleeps you on the water and puts you in the water for three to four guided dives per day, including dawn and night dives that day-boat operators rarely offer. You skip the daily commute back to port and reach quieter, less-crowded sites in the same region on a single trip.
Below are the liveaboards that include Tangat Wreck on their Philippines itineraries.
Liveaboards diving Tangat Wreck
These liveaboards may visit Tangat Wreck on selected itineraries, the exact dive sites depend on departure, weather and conditions.

Infiniti
Philippines

Seadoors
Philippines

Resolute
Philippines

Dolphin
Philippines

Navis 1
Philippines

Philippine Siren
Philippines

Palau Sport
Philippines

Philippines Aggressor
Philippines

Stella Maris Explorer
Philippines

Solitude One
Philippines

Atlantis Adventurer
Philippines

Philippines Aggressor II
Philippines
Dive sites similar to Tangat Wreck
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- Suitable for
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- Depth
- —
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Adonara Channel
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Adonara Wall
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Agnay Fish Sanctuary
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Ai Island Reef
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Ai Island Reef, nestled within the Banda Sea, offers a remarkable diving experience characterized by its rich marine biodiversity and varied underwater topography.
- Suitable for
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- Liveaboard only
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Akitsushima
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The Akitsushima is a distinguished World War II Japanese seaplane tender, sunk in September 1944 during an American air raid in Coron Bay, Palawan.
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- Advanced
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- Strong
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