Shinkoku Maru
Oil tanker, sunk 1944, Chuuk
A large fleet oiler that also served as a hospital ship. Surgery tables and medical equipment remain in the hospital ward, and significant fuel oil is believed to remain in her tanks. Regarded as one of the highest oil-risk wrecks in Chuuk Lagoon and one of the most historically significant dives in the Pacific.
- Depth
- 36 m
- Tonnage
- 10,020 t
- Sunk
- 1944
- State
- Chuuk
Current notices
- Priority watchUpdated 12 Oct 2026
Priority watch: large fuel load believed to remain
A former fleet oiler with significant fuel oil believed to remain in her tanks. No active leak is listed. Please report any sheen, bubbling or fuel odour near the site.
Seen oil or damage at the Shinkoku Maru?
Report it with this wreck already selected. For an emergency, call Chuuk Police Emergency 911 (24/7) or Chuuk State EPA +691 330 4158 (Mon to Fri, 9am to 5pm (ChST)).
