Nice idea ^
Mine is the island of Tanna which belongs to Vanuatu. In some ways it is just another South Pacific paradise island. However...
* There is sufficiently little tourism that the locals aren't jaded at all, but enough to ensure the basic facilities are in place
* there is an active volcano - Mt Yasur - which you can climb and witness a proper eruption. Proper as in boulders being hurled in the air, lava glow
* pristine waters. Snorkelling from out hotel was off a 30metre wall with huge amounts of fish, turtles
* visiting villages was an experience of being welcomed into someone's community not being fleeced for every penny
On the one bad weather day we ate fish and got mashed on unoaked Australian Chardonnay.
Nearest OW options are either Auckland, Sydney or Brisbane followed up with a Virgin or Air Vanuatu flight to Port Vila followed by another puddle jumper to Tanna. It keeps the riff raf out.
The other happy place is London. I wouldn't live anywhere else and can easily spend weeks without going outside zone 2.