San Francisco Maru
Also known as: Million Dollar Wreck
Best time to dive
January to December; December to March
What you might see
- Manta rayPeak season
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Technical - advanced conditions (currents/depth); dive within your training.
Snorkelling
Not a snorkel site - no
Safety notes
Live/unexploded ordnance throughout (mines, depth charges, torpedoes, bombs); extreme depth causing significant nitrogen narcosis and mandatory decompression risk; cargo-hold penetration/entrapment risk; requires staged decompression gas planning
Permits & fees
Chuuk State Dive Permit: $50, valid 1 year (per Blue Lagoon Dive Shop rate sheet); technical divers also pay per-cubic-foot gas surcharges (O2 ~$1.75/cf, Helium ~$6.04/cf at Blue Lagoon)
Permits and operators change - confirm before booking.
Location
Nearest hub: Weno (Chuuk)
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.