A banded morwong swimming past butterfly perch over a rocky reef at Mistaken Cape, Maria Island, Tasmania
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The Thumbs

Tasman Peninsula, TAS

Water temp11-17 °C
Visibility12-25 m
Depth15-40 m
Best timeYear round in most seas; winter for the clearest water

Three-peaked rock island 200 m off Thumbs Point at the mouth of Fortescue Bay, ringed by a steep wall that drops past 40 m, with kelp, sponges, sea whips and large schools of butterfly perch.

Visibility at The Thumbs

Visibility at The Thumbs typically ranges from 12 to 25 metres, though it shifts with swell, wind and recent rainfall. Year round in most seas; winter for the clearest water generally offers the best conditions for diving here.

Air, gear and guides near The Thumbs

Browse dive shops in Hobart for fills, hire gear, servicing and guided dives at this site.