You might want to check out
www.kauaivacationrentals.com
I rented from them this past OCT. They were super nice and they have house's and condo's in almost all parts of the Island. I rented Pali ka Kua 104 it came to 1135.xx for a week. You can search by location, view, or # of rooms.
Very easy and nice people. It is located across from wal-mart. They will leave your keys @ the car rental agency desk for you.
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Sorry mama I gots to get all the free miles I can.
Brian