>>55681800Volcanic islands can have very varied landscapes. The Hawaii archipelago has both grasslands like this:
https://www.hawaii-guide.com/big-island/sights/parker-ranchAnd dramatic mountains like this:
https://peakvisor.com/img/news/Hawaii-Na-Pali-Coast-Kauai.jpgThat's something neat about volcanic geology. Some polynesian inspiration would be fun, even if it's just in the Moai statues and geography. But continental mountains can get you that and would probably give you a lot more rock
and stone in absolute terms.