Guam · Apra Harbor
Tokai Maru
Best time to dive
January to December; December to June
What you might see
- Grey reef sharkPossible
- Sea turtlePossible
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Advanced Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Not a snorkel site - no (deep wreck, boat-only)
Safety notes
wreck penetration risk, torpedo/strafing damage creates sharp edges, silt-out potential, harbor boat traffic, nitrox commonly used
Permits & fees
no diver permit fee found; accessed via licensed dive-boat operators through normal Apra Harbor waterway rules
Permits and operators change - confirm before booking.
Location
Nearest hub: Apra Harbor (Guam)
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.

