Planet Rock
Madang · Papua New Guinea
Planet Rock is a submerged pinnacle that rises from 50 metres to about 6 metres below the surface and sits in open water just beyond the lagoon, exposed to mild current that brings in fish in extraordinary numbers. The rock is blanketed in sea fans and black coral at depth, with dense schooling fish at mid-water — barracuda, trevally and batfish circle the summit in loose formations. Grey reef sharks cruise the deeper flanks, and the sheer drop from the pinnacle to the sandy floor gives the site a dramatic sense of open water exposure. This is Madang's best site for large fish encounters alongside its world-class soft coral coverage.
Conditions
Depth
6 to 50 m
Advanced depths
Current
Usually gentle
Can pick up on the edge
Visibility
20 to 30 m
Clearest in the calm season
Water
26 to 30°C
3mm wetsuit
Month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Water (°C) | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 27 | 27 | 28 | 28 |
| Vis (m) | 15 | 15 | 18 | 18 | 20 | 20 | 20 | 20 | 18 | 18 | 15 | 15 |
| Current | Moderate | Moderate | Gentle | Gentle | Gentle | Gentle | Moderate | Moderate | Gentle | Gentle | Moderate | Moderate |
Field journal
No sightings recorded here yet.
Upload the first sightingDived here recently?
Your sighting helps us track reef health at this site in real time.
Submit a sightingPlanning to dive Planet Rock?
Your underwater photos help scientists track reef health here in real time.
What to photograph: fish and marine life, coral (especially anything pale or unusual), anything unexpected.
How to capture it: shoot JPEG, keep location on, note your depth and the date.
Dived Planet Rock recently?
Your photos help track reef health.
Up to 10 photos · JPEG or PNG · max 20 MB each
📷
Drag photos here, or tap to select
GPS in your photo will auto-detect the dive site
Gear