

Best for intermediate divers, 16-28m, boat entry, mild current.
The Arch at Caves Beach is a reef and cavern system located 200 metres offshore. This boat-accessible site features a natural swim-through arch at depths between 16 and 21 metres, with the overall site ranging from 16 to 28 metres. Divers experience mild currents and visibility typically between 10 and 30 metres. The site is suited for intermediate divers due to the overhead environment within the cavern sections. Water temperatures fluctuate between 18C and 22C throughout the year. Divers should remain cautious of boat traffic on the surface and use a safety sausage during ascent. A torch is recommended for exploring the darker cavern areas.
-33.08800, 151.67400
Keep your torch handy for the cavern sections where the overhead environment limits ambient light, and stay aware of boat traffic when ascending as this is a popular charter destination. A safety sausage is strongly recommended for your ascent.
The site is located off the south-eastern side of Moon Island and is accessible only by boat. Dive charters operate from nearby Swansea, such as Grey Nurse Charters which departs from a wharf near Swansea RSL. The boat ride is just a few minutes from Swansea Channel.
Recorded at this site
Depth
16-28m
Visibility
10-30m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
18-22°C
Current
Mild
Typical Dive
50 min
Best Time
Year-round
The site ranges from 16 to 28 metres deep, with an average depth of 18 metres.
No, this site is rated for intermediate divers due to the cavernous overhead environment.
This is a boat dive site located 200 metres from shore, requiring a boat charter to access.
The site is accessible for diving throughout the year, from January through December.
Divers should be cautious of the overhead environment in the cavern and boat traffic on the surface. A safety sausage is strongly recommended for ascents.
Diving at The Arch in Swansea requires the following certifications: Open Water. Always dive within your training limits.
A 5mm wetsuit is recommended for diving at The Arch in Swansea. Water temperatures range from 18°C to 22°C.
The best months to visit The Arch in Swansea are June, July, August, September, October, November, December, January, February, March, April, and May. Conditions outside these months can still be good but are less predictable.
The Arch in Swansea typically has mild currents that most divers can handle comfortably.
Visibility at The Arch in Swansea typically ranges from 10 metres to 30 metres. Conditions vary with weather, tides, and seasons.