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An old truck lit yellow by a torch sits in a dark wreck hold, its grille and curved fender coated in sediment — Hoki Maru, Chuuk Lagoon.

Chuuk Lagoon · Micronesia · Wreck

Hoki Maru

Trucks, a bulldozer and a tractor still parked in the hold

Photo: montereydiver · CC BY 2.0

Hoki Maru is a 76 m (250 ft) Japanese cargo ship sunk in Chuuk Lagoon in February 1944. It is dived for the vehicles still in its hold, trucks, a bulldozer and a tractor, and for the shattered bow, on a profile that starts near 14 m and reaches 46 m.

Where it is and how deep

Depth profile of Hoki Maru: typical dive 14–46 m (46–151 ft), deepest point 48 m (157 ft) 18 m · Open Water30 m · Advanced40 m · Recreational limit14 m46 m48 m maxtypical dive
Depths on a shared scale to 60 m (197 ft); dashed lines mark common certification limits.

7.3500° N, 151.9333° EApproximate position — the dashed circle shows where the site lies; your operator's briefing has the mooring.

The dive

Dives on Hoki Maru span 14 to 46 m (45 to 150 ft), with the seabed at about 48 m. The hold is the draw: trucks, a bulldozer and a tractor still sit in it. Forward, the bow shows massive destruction.

The wreck

Vessel
Hoki Maru
Type
Cargo ship
Length
76 m (249 ft)
Sunk
1944
Cause
Sunk by US aircraft during Operation Hailstone
Lies
On the floor of Truk Lagoon at about 48 m

Marine life and season

The sources we used don't single out particular species here.

Month-by-month season rating for Hoki Maru
JanFebMarAprMayJunJulAugSepOctNovDec
PrimePrimePrimeGoodGoodFairFairFairFairGoodGoodPrime

Season follows Chuuk Lagoon: December to April is the dry season, driest from January to March; June to September brings the heaviest rain.

Dive videos

Hoki Maru. Truk Lagoon. · Max Gleeson's Shipwrecks of the World on YouTube

Sources

  1. Commonly Visited Truk Dive Sites — Truk Odyssey
  2. Shipwreck Hoki Maru — TracesOfWar
  3. Wrecks — Truk Stop Hotel
  4. IJN Hoki Maru: Tabular Record of Movement — Combined Fleet

Photo credits

More dive sites in Chuuk Lagoon

A memorial monument on the deck of a deep, upright cruiser

30–61 m · max 64 madvanced

A swim through a bomber's fuselage from tail to cockpit

15–21 mintermediate

The sole surviving A5M Claude, stacked in a cargo hold

15–40 madvanced

Bow and stern guns on a sunken Japanese destroyer

24–37 madvanced

Shrimp and goby burrows in the sand under the propellers

3–34 madvanced

Soft and hard coral from a shallow mast to the stern

3–30 mintermediate

Submarine periscopes still stacked in the holds

12–33 mintermediate

A Japanese cruiser submarine sunk at its anchorage

34–40 madvanced

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