scubaguam.com · Dive Resort Guide
Guam dive-center site listing Tokai Maru as a deep wreck that is better accessed by boat.
Dive Spot Guide•
Tokai Maru (Wreck)
Tokai Maru is Guam's historic deep wreck.
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Boat-only deep wreck dive in Apra Harbor, paired with the Cormoran and known for a unique two-war wreck setting.
About Tokai Maru (Wreck)
Tokai Maru is Guam's deep Apra Harbor wreck, a boat-access dive where the Japanese freighter rests beside the SMS Cormoran in one of the world's rare paired-warship sites. Divers approach it as a careful wreck lap with strong buoyancy control, where the hull, adjacent wreck structure, and the harbor floor create an advanced dive that is as much about history and positioning as it is about marine life.
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Where Is Tokai Maru (Wreck)?
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Community sourced coordinates.
Tokai Maru (Wreck) Planning Details
Depth range, seasonality, and planning context.
Reported Depth
40m
Depth Note
Reported depth is 130 ft.
Best Season
Year-round, with Guam's dry season from January to May usually the easiest for planning.
Typical Conditions
Deep wreck dive in Apra Harbor with a paired historical site, harbor water, and wreck structure that rewards a controlled lap.
Safety & Access At Tokai Maru (Wreck)
Hazards, restrictions, and access requirements.
Key Hazards
Overhead environment
Safety Notes
This is a deep wreck dive; plan gas, limits, and ascent accordingly.
Access Restrictions
Boat only; this is a deep wreck dive suited to advanced certification and careful gas planning.
Legal Notes
The wreck pair is part of Guam's protected historic dive heritage and should be treated with the usual care for a registered site.
Local Intel For Tokai Maru (Wreck)
Community notes to help plan your visit.
Scuba Diving
A wreck dive to around 40 m/130 ft alongside the Coromoran wreck.
Freediving
Not a casual freedive site because the wreck is deep and the historic structure is best handled with scuba.
Snorkeling
Not a snorkel site; the wreck sits deep enough that it is best treated as a scuba-only dive.
Tokai Maru (Wreck) Dive Conditions Planner
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Exposure Profile at Tokai Maru (Wreck)
Directional shelter context for incoming swell.
Exposure Note
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Recent Logged Visits At Tokai Maru (Wreck)
Community dive logs and visit reports for this site.
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Dive Spot Log Averages At Tokai Maru (Wreck)
Average conditions based on logged dives & visits.
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Tokai Maru (Wreck) Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
Tokai Maru (Wreck) Guide - Sources and Updates
Last Updated
Research Sources
www.guampedia.com · Independent Guide
Guampedia history page describing the Tokai Maru alongside the Cormoran.
www.mdaguam.com · Dive Resort Guide
Guam wreck operator page with the Tokai Maru depth, visibility, and contact with Cormoran.
www.visitguam.com · Official Tourism
Official Guam tourism article on the Tokai Maru and Cormoran wrecks.
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