who lived on islands and travelled between PNG and Queensland, Australia but didn't venture south past the Great Barrier Reef and to New ZEaland - but did have the boats and seafaring skills.
Sounds like largely coastal navigation, with some longer hops, a pretty different beast from the open water austronesian (/ Melanesian / Polynesian) navigation.
https://australian.museum/learn/cultures/atsi-collection/cul...
https://en.wikipedia.org/wiki/Ten_Canoes
Also indigenous to the Sahul
* https://en.wikipedia.org/wiki/Torres_Strait_Islanders
who lived on islands and travelled between PNG and Queensland, Australia but didn't venture south past the Great Barrier Reef and to New ZEaland - but did have the boats and seafaring skills.
* https://en.wikipedia.org/wiki/Makassar_people
who lived in (modern) Indonesia but routinely traded and fished between Northern Australia and China
* https://en.wikipedia.org/wiki/Trepanging
again, they never (to current knowledge) travelled around and past the Great Barrier Reef.