There will be a lot of posts on this as it is SOOOO subjective.
For me, the many times I've stayed at the
Sheraton Royal Hawaiian (The Pink Palace) have been superb. More based on the staff, their quiet efficiency, the LOCATION obviously, and the fact they REMEMBER you via management each time you stay. There are far swankier rooms, lobbies, better/bigger gardens, etc, etc, worldwide, but that place gets my vote.
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~ Glen ~