Posties Beach is a secluded coastal gem along the Limestone Coast of South Australia, known for its calm, protected waters and accessible shore entry. The beach sits within an area of limestone reefs and sandy inshore gutters that create clear, shallow snorkeling conditions on calm days. Its remote nature means fewer crowds and a peaceful underwater setting, with rocky reef edges giving way to sandy patches where rays and small fish congregate. Best visited during light northerly winds when the ocean side lies flat and the water clarity peaks.
Posties Beach
BeginnerMAYBE
MAYBE
Fair. Experienced snorkellers only.
Showing last known conditions
Wave Height 0.7 mSwell Period 9.4 sWind Speed 6.9 knPrecipitation 24 mmTidal Phase unknown
Last evaluated
The spot
Community-maintained
Community contribution: submitted by Daniel
Know before you go
Logged by the community, confirmed by mods
Moderate risk: Swell and waves
Posties Beach can experience exposed swell conditions with waves up to 1-2m, especially during southerly winds, creating strong shore break and rip currents.
Low risk: Oceanic swell surge
When southerly swell pushes in, surge around the limestone reef edges can push snorkelers into sharp rock.
Wildlife Guide
No wildlife notes for this spot yet.
Gallery
Be the first to share a photo
No photos yet — yours could be the first.
Photos are reviewed by moderators before they appear.
Getting in
Shore entry
Entry
Posties Beach is located along the Limestone Coast south of Mount Gambier. Access is via unsealed roads off the main coastal route; a 4WD is recommended for the final approach. Follow signs towards the coast from the Port MacDonnell area.
Parking & facilities
Limited beachside parking on unsealed area near the access track. No designated marked bays.
No fees required.
Spot Map
Community
Trust
Is this spot real, accurate, still loved?
Spots near Victoria
No nearby spots yet.
Needs verification
Quick verify
One tap helps the community keep this spot honest.
About this data
- Conditions last evaluated
- Spot data last updated
- Data sources
- Open-Meteo (marine & weather conditions), tide predictions via UTide, community contributors (descriptions, hazards, marine life).
- License
- Spot content licensed under CC BY-SA 4.0. How's the Spot is open source.
Weather & swell ┬╖ Open-Meteo marine & weather APIs Tides ┬╖ UTide harmonic analysis Sea & safety ┬╖ community reports