Best for advanced divers, Up to 4m, shore & boat entry.
Bottle Rocks is a shallow reef system on the Cobourg Peninsula, Australia, reaching depths of up to 4 metres. This site is suited for advanced divers due to variable currents and unpredictable visibility that can shift rapidly. The topography consists of sponge-covered reef structures and adjacent seagrass beds. Divers and snorkellers should exercise caution regarding marine life, as stonefish are present on the reef substrate. Entry is possible from both boat and shore, though a boat is required to reach the site. The environment supports a variety of reef fish and invertebrates typical of the region. Local conditions should be verified before planning a dive.
-11.63472, 133.34722
Check facilities and current conditions locally before diving, as infrastructure varies seasonally. The dry season months from May to October offer the most stable conditions, though visibility remains unpredictable year-round.
The site is accessible by boat, likely from the nearby community of Warruwi on South Goulburn Island. The Goulburn Islands are part of the Arnhem Land Aboriginal Reserve and access may require a permit.
Expected in this region. No sightings logged here yet.
Depth
Up to 4m
Skill Level
Advanced
Entry
Shore & Boat
Boat required
Water Temp
25-31°C
Best Time
May, Jun, Jul, Aug, Sep, Oct
The site supports a variety of reef fish and invertebrates typical of the region's habitat.
No, this site is rated for advanced divers due to variable currents, unpredictable visibility, and the presence of venomous marine life.
The reef is shallow, with a maximum depth of 4 metres.
Yes, the site is suitable for snorkelling with a rating of 4 out of 5.
The best months to dive or snorkel at Bottle Rocks are May, June, July, August, September, and October.
Divers should be cautious of stonefish, sea snakes, and sharks, which are known to be present in the region.
Yes, Bottle Rocks in Goulburn Islands is a boat-access-only dive site. You will need to book with a local dive operator or charter a boat to reach it.
A rashguard or 2mm shorty is recommended for diving at Bottle Rocks in Goulburn Islands. Water temperatures range from 25°C to 31°C.
