Shinkoku Maru
Conditions & tides
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Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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About this site
The Shinkoku Maru is a large oil tanker wreck, about 500 feet (150 m) long, in Truk Lagoon. She rests at around 40 metres, with the shallower parts from about 12 metres, and is known for coral growth that has made her a living reef.
The bridge is among the most picturesque parts, covered in coloured corals and sponges, and divers can explore the wheelhouse and the rest of the superstructure. The medical bay still has porcelain basins and medical equipment. The deck, bridge and engine room are easily accessible, and the engine room can be entered by divers with penetration experience.
Schools of barracuda patrol the wreck, and macro life includes nudibranchs and shrimp, with soft corals, sponges and parrotfish.
Marine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Lined BristletoothCtenochaetus striatusReported here · unconfirmed
Whitemargin UnicornfishNaso annulatusReported here · unconfirmed
Pacific Longnose ParrotfishHipposcarus longicepsReported here · unconfirmed
Brown Staghorn CoralAcropora muricataReported here · unconfirmed
Bleeker's ParrotfishChlorurus bleekeriReported here · unconfirmed
Barred RabbitfishSiganus doliatusReported here · unconfirmed
Humpnose Bigeye BreamMonotaxis grandoculisReported here · unconfirmed
NudibranchNudibranchReported here · unconfirmed
BarracudaBarracudaReported here · unconfirmed
ParrotfishParrotfishReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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