All resultsExplore/South Australia Neptune Islands/Williams Island Caves
Williams Island Caves
South Australia Neptune Islands, Australia
EntryBoat
Max depth18 m
LevelAdvanced and up
Water bodyGulf St Vincent
Water temp15–20°C
Estimated from climate dataDec–May
About this site
Williams Island Caves is a cave dive site, South Australia, Australia, in the Gulf St Vincent. It is reached from a boat with a maximum depth of about 18 m. Recommended for advanced divers. Marine life recorded within about 5 km (OBIS/GBIF) includes sea lions, seals, jacks, stingrays. Typical surface water temperature ranges from about 15 to 20 °C over the year.
Conditions by month
BestGoodMixedOctoberGood
Generally good diving.
Marine life
Recorded nearby
Australian Sea LionNeophoca cinerea- New Zealand Fur SealArctocephalus australis forsteri
White SharkCarcharodon carcharias- RedbaitEmmelichthys nitidus
Eagle RayMyliobatis tenuicaudatus
Silver TrevallyPseudocaranx georgianus- SwallowtailCentroberyx lineatus
Red MulletUpeneichthys lineatus
Nearby sites
- 1English Island Reef2.4 km
- 2The Monument3.4 km
- 3Langton Island3.5 km
- 4Great White Shark Cage Dive Site3.6 km
- 5Neptune Islands North5.8 km
- 6North Neptune Reef5.8 km
Straight-line distances.
Sources: Dive Vibe Community (ODbL) · Species occurrences: OBIS (CC BY 4.0), GBIF.org