Shinkoku Maru, Truk Lagoon

The Shinkoku Maru was a 152 meter long Naval Tanker built in 1940 which sank in 1944 during operation hailstone. She sank upright and rests on an even keel with a superstructure depth between 12-40 meters.

Like many Truk Lagoon wrecks she is covered in luxurious corals, anemones, gorgonian fan corals, sponges, and halos of juvenile fish.

Level

Level

  • Advanced
Visibility

Visibility

  • 21 m
Current

Current

  • Light Current
  • No Current
DIVE TYPES

DIVE TYPES

  • Artificial Reef
  • Wreck Dive

Temperature & Visibility

Dives

Wildlife Diversity

Affiliated Training Center

Dive sites nearby

Truk lagoon is the perfect location for wreck dives. The Japanese naval base was attacked in 1944 by the United States. During this attack more than 60 ships were sunk and more than 200 airplanes went down. The waters here are deep and filled with many historical war artefacts.

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Heian Maru

The Heian Maru was a passenger-cargo ship was built in 1930 and is 155 meters in length. She lies between a depth of 10 - 35 meters. She is the largest ship remaining in Truk Lagoon, and has large passageways with an expansive bridge and engine room.

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San Francisco Maru, Truk Lagoon

The San Francisco Maru was a 117 meter long passenger-cargo ship built in 1919. She was sunk in 1944 during operation Hailstone. She lies very deep, and rests on an even keel between 42 and 64 meters. This wreck is loaded with war materials and one of Truk Lagoon’s most fascinating technical wreck dive.

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Also known as “Yellow Wall“, experienced divers can discover super clear waters, Pelagics, as they drift along Guam’s greatest walls. For Advanced and expert divers and only done as a drift from a boat when the seas are calm.

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A popular drift dive, this site is home to numerous mushroom corals and even an occasional tiny abalone. Deep coral whips can be found, starting in about 85’ Reef Sharks, Stingrays and Turtles are seen on most dives.Currents can be strong - best done in the morning hours.

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Drift dive with possibility of high currents and moderate to rough seas. Barracuda, sharks, large pelagic fish, corals. Features a large cavern at 115’. This is an exciting dive for very experienced divers!

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A favorite southern dive site near Merizo. 10-60’, large caverns, a pod of spinner dolphins is almost always in the area, and a very easy dive for all. Perfect for snorkeling and kayaking. Ask for landowner’s permission if diving from shore. Best done as a drift from a boat.

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The Japanese Zero plane broke apart during a typhoon in 1997. Parts of the fuselage and also the engine block and propeller can be found in a small ravine in about 50’ Nice drift dive by boat, but this site can also be accessed from the beach. Always ask land owners for permission and never walk on the coral!

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North of Umatac Bay, features a reef flat that slopes from 40 to 90’. Remnants of a WW2 Japanese zero (engine block w/propeller), can be found at the 60 level. Very easy dive for all divers but requires a long snorkel if not done from a boat.

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Drift dive with possibility of high currents and surge. Schools of parrot fish, sharks, large pelagic fish, and some of Guam’s most pristine corals. A great dive that can only be accessed by a long boat ride and only when the seas are most calm.

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