I'd be taking you to
Orpheus, and
Orpheus only. Sure, it's probably the most expensive hotel in the reef, but it's the best by far.
Originally Posted by their website
Without the intrusion of telephones, televisions, day-trippers or children under 15, Orpheus Island offers total privacy and a premium level of discrete and unaffected service. With a limit of 42 guests you will have the space you need to truly find yourself.
But, as said previously
it's not cheap
Enjoy.