

Best for beginner divers, 1-10m, shore entry, mild current.
The Basin is a sheltered reef and seagrass site located at Rottnest Island, Australia. With depths ranging from 1 to 10 metres and an average of 3 metres, it is well-suited for beginner divers and snorkellers. The site is protected from most winds, maintaining mild currents and visibility between 15 and 30 metres. Water temperatures are influenced by the Leeuwin Current, remaining warmer than the mainland coast. Shore access is straightforward, supported by on-site facilities including parking, toilets, showers, and a rinse station. Divers should remain aware of potential surface chop from afternoon sea breezes and the presence of other water users in this popular area.
-31.98957, 115.53540
The best conditions fall in spring (September to November) and autumn (March to May) when the water is calmer and visibility is at its peak. Facilities including toilets and showers are available on site, so there is no need to rush your post-dive rinse.
The Basin is located on the north side of Rottnest Island and is a 10-minute walk from the main Thomson Bay settlement. Follow the signs north from the main jetty.
Recorded at this site
Depth
Up to 10m
Visibility
15-30m
Skill Level
Beginner
Entry
Shore
Water Temp
19-23°C
Current
Mild
Typical Dive
60 min
Best Time
Mar, Apr, May, Sep, Oct, Nov
Yes, the site is well-suited for beginners due to its shallow depths of 1 to 10 metres and protected, calm conditions.
Yes, the shallow reef and seagrass environment is appropriate for both diving and snorkelling.
The Basin is a shore-access site with convenient facilities including parking, toilets, and showers located nearby.
The best conditions for diving and snorkelling occur during the spring months of September to November and autumn months of March to May.
Be mindful of jellyfish, sharp coral, and surface chop caused by strong afternoon sea breezes. As a popular location, also watch for other swimmers and snorkelers.
A 5mm wetsuit is recommended for diving at The Basin in Perth. Water temperatures range from 19°C to 23°C.
The Basin in Perth typically has mild currents that most divers can handle comfortably.
Visibility at The Basin in Perth typically ranges from 15 metres to 30 metres. Conditions vary with weather, tides, and seasons.