Neptune Islands
Ningaloo Reef · Australia
The Neptune Islands, off the coast of Port Lincoln, South Australia, are renowned for exhilarating great white shark cage diving experiences. Divers can also encounter playful Australian sea lions. The islands feature rugged underwater topography and are a key aggregation site for apex predators.
Conditions
Depth
5 to 30 m
Open water and up
Current
Can be moderate
Can pick up on the edge
Visibility
10 to 18 m
Clearest in the calm season
Water
14 to 22°C
7mm wetsuit + hood
Month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Water (°C) | 18 | 19 | 18 | 17 | 16 | 15 | 14 | 14 | 15 | 16 | 17 | 18 |
| Vis (m) | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 | 10 | 10 | 10 | 10 |
| Current | Moderate | Moderate | Moderate | Moderate | Moderate | Strong | Strong | Strong | Moderate | Moderate | Moderate | Moderate |
Your chances of seeing each animal
Great White Shark
Last confirmed May 15, 2026 · 65 records
Almost always
Nearly every dive
Silver Trevally
Last confirmed Jun 17, 2026 · 7 records
Very likely
Most dives
Yellowtail Kingfish
Last confirmed Jun 17, 2026 · 8 records
Likely
About 6 in 10 dives
Australian Sea Lion
Last confirmed Feb 16, 2026 · 3 records
Sometimes
About 1 in 3 dives
Horseshoe Leatherjacket
Last confirmed Jun 17, 2026 · 2 records
Sometimes
About 1 in 3 dives
Western Blue Groper
Last confirmed Jun 17, 2026 · 4 records
Rare
Now and then
Southern Eagle Ray
Last confirmed Jun 16, 2026 · 1 records
Rare
Now and then
Zebrafish
Last confirmed Jun 17, 2026 · 2 records
Rare
Now and then
Gear