Pebbles is a rugged coastal snorkeling and surf spot midway between Port MacDonnell and Cape Douglas along South Australia's wild Limestone Coast. The shoreline is characterised by a mix of rounded limestone boulders and cobbles — the "pebbles" that give it its name — interspersed with shallow reef flats and deeper gutters. Exposed to the Southern Ocean swell, the clear waters here offer a raw, untamed snorkeling experience with underwater rock formations, kelp gardens, and the chance to spot reef fish and crayfish sheltering among the crevices. The site is best explored on calm days when the swell subsides, revealing surprisingly clear water over the rocky bottom.
Pebbles
AdvancedMAYBE
MAYBE
Fair. Experienced snorkellers only.
Showing last known conditions
Wave Height 0.0 mSwell Period 0.0 sWind Speed 5.9 knPrecipitation 23 mmTidal Phase unknown
Last evaluated
DANGER: Explicit Risks Present
Pebbles has hazards marked as danger. Entering the water here means you may face serious risks to your personal safety.
- Southern Ocean Swell danger
Exposed site receiving powerful Southern Ocean swell. Large waves can break directly over the reef, creating dangerous conditions even for strong swimmers.
The spot
Community-maintained
Community contribution: submitted by Daniel
Know before you go
Logged by the community, confirmed by mods
High risk: Southern Ocean Swell
Exposed site receiving powerful Southern Ocean swell. Large waves can break directly over the reef, creating dangerous conditions even for strong swimmers.
Moderate risk: Strong Riptides and Sweeps
Unpredictable rip currents and longshore currents form around the rocky headlands and reef gutters, capable of sweeping swimmers offshore.
Moderate risk: Sharp Limestone Reef
The limestone boulders and reef shelf are razor-sharp and barnacle-encrusted. A slip or fall can cause serious cuts.
Low risk: Cold Water Temperature
Water temperatures range from 12-16°C year-round. Cold water shock and hypothermia are risks without a full wetsuit.
Wildlife Guide
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Getting in
Shore entry
Entry
Located midway between Port MacDonnell and Cape Douglas on the Limestone Coast, approximately 40 km south of Mount Gambier. Access via Port MacDonnell Road, then look for an unsealed coastal track leading toward the shore (4WD recommended for the final section).
Parking & facilities
Limited informal parking along the roadside verge near the coastal track. No designated car park.
No fees required.
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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