Fleurieu Peninsula · South Australia
Scuba Diving at Second Valley
Dramatic rock formations and a sheltered shore entry on the Fleurieu Peninsula.
Second Valley provides reef, rock formations and shore diving in a sheltered cove south of Adelaide, beneath striking folded rock cliffs.
The underwater terrain includes ledges, boulders and small swim-throughs, with leafy seadragons among the species divers search for.
It is a popular weekend destination from Adelaide and works well as a second dive alongside Rapid Bay.
Recommended: Any certified diver; many suit supervised try-dives. Parts of the site reach 15 m, which needs Open Water Diver. What can I dive with my cert?
Max depth
15 m
typically 8 m
Access
shore
Current
variable
Water temp
13–22°C
Level
beginner
up to intermediate
| Region | Fleurieu Peninsula |
|---|---|
| State | South Australia |
| Access | shore |
| Site type | reef |
| Minimum depth | 2 m |
| Typical depth | 8 m |
| Maximum depth | 15 m |
| Current | variable |
| Visibility | Commonly 5–15 m |
| Water temperature | Roughly 13–22°C |
| Experience level | beginner, intermediate |
These are guidance categories, not guarantees. Conditions on the day, and an operator’s own requirements, override any classification here.
- leafy seadragons occasionally
- blue devils
- octopus
- cuttlefish
- rays
- nudibranchs
- western blue gropers
Access
- Shore entry from the beach or jetty area.
- Sheltered in most conditions.
- Facilities and parking nearby.
Hazards
- surge in swell
- slippery rock
- boat traffic near the jetty
Marine Life at Second Valley
Species documented at this site, with seasonality and etiquette on each page.
We have not yet established which businesses regularly service this site. Start with Fleurieu Peninsula dive centres.
Useful Training for Diving Second Valley
Not a list of everything available — the qualifications that actually change what you can do at this site.
Dive Sites Similar to Second Valley
Worth reading alongside this one.
Planning Guides for Diving Second Valley
Practical guides selected from this site's access, environment, wildlife and experience profile.
Dive Sites Near Second Valley
Other documented sites within range, nearest first — useful for building a trip rather than a single dive.
Other Dive Businesses Near Second Valley
Not documented as servicing this site, but close enough to be useful for fills, hire or advice.
Second Valley Diving FAQs
How deep is Second Valley?
Depths range from around 2 metres to roughly 15 metres, with a typical profile around 8 metres. Conditions and route selection change this considerably.
Is Second Valley suitable for beginners?
It can be, in reasonable conditions and with appropriate supervision. Conditions on the day matter more than certification level, and operators may impose their own requirements.
How do you get to Second Valley?
Shore entry from the beach or jetty area. Sheltered in most conditions.
Is there current at Second Valley?
Current is recorded as variable. Conditions vary daily and should be checked close to the day.
What will I see at Second Valley?
Commonly reported marine life includes leafy seadragons occasionally, blue devils, octopus, cuttlefish, rays, nudibranchs. Sightings are never guaranteed.
When is the best time to dive Second Valley?
Conditions vary through the year. Visibility is commonly 5–15 m. Check with local operators close to your dates.
Where is Second Valley?
Second Valley is in the Fleurieu Peninsula region of South Australia.
Last researched: September 2026. Dive businesses change frequently — confirm current services, prices and requirements directly with the operator before booking.