Guam · Apra Harbor

Two Wrecks

Also known as: SMS Cormoran and 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 pair, boat-only)

Safety notes

wreck penetration risk, depth beyond recreational limits on lower sections, silt-out, harbor boat traffic, nitrox (EAN32) commonly recommended for bottom time

Permits & fees

no diver permit fee found; site is within the regulated commercial/military waters of Apra Harbor, accessed via licensed dive-boat operators

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.