I think there is very good hotel in Big Island of Hawaii. You can eventually stayed there at Hilton Waikoloa Village near KOA. You can get good opportunity at hotel in Big Island or Hawaii. Here the website if you will have a good trip to Big Island of Hawaii. Here it is:
http://www.hiltonwaikoloavillage.com/index_flash.asp
I do slighty remember when we were there in Big Island of Hawaii from 12 years ago. If you want stayed at Ocean Tower or Lagoon Tower is mostly near the swimming pool. Hopefully you will able enjoyable where your convenient trip to Hawaii.