Ko Olina/Ihilani Resort $$$$, isolated on the west end of the island. Very far from Waikiki, about 45 minutes in traffic, but good if you want to stay at hotel and enjoy the resort, spa, pool, beach, and golf. Has several restaurants featuring different cuisines.
Halekulani Hotel $$$$, in heart of Waikiki right on the beach, very busy, not private resort and lots of people, best sunday brunch, known for good service.
Moana Surfrider Beautiful hotel, historic building, on beach, very busy with many people in the heart of Waikiki.
The Royal Hawaiian Famous pink hotel in the heart of Waikiki, right by the beach and very busy with many people.
If you suffering from sticker shock, here's something more affordable:
Queen Kapiolani $$, good deals on hotel rooms, at the edge of Waikiki, by Kapiolani Park and Honolulu Zoo.
Hale Koa $$, need to be on active duty, retired military, or have a military sponsor, and private beach.