Cathedral Caves

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All about Cathedral Caves dive site

Abundant sea life

Cave

Tunnel

Turtles

Pelagics

Seals

Corals

Depth max

21 m

Diver level

Experienced

Visibility

to 20 m

Cathedral Caves is a dive site on the Tasman Peninsula that has the largest sea cave system in Australia. It starts with a huge entrance leading to small caverns full of cross-passageways and tunnels. There are plenty of fallen boulders, and the caves are covered with colorful invertebrates.

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What to see

The Cathedral Caves site has a number of spectacular species, like weedy seadragons, cuttlefish, sea spiders, nudibranchs, kelpfish, and wrasses. It is even possible to spot some seals on the way to this dive site.

When to go diving in Cathedral Caves

The best time to dive at this site is from December to February. This time has the best sea conditions and warmest water, averaging 20-24C/68-75F. June to August are the coldest months.