I was wondering the same thing so I emailed the GF Concierge and below is the information that I just received. If you do book the cabana they will need your credit card information.
Rental Cabana amenities include:
. Two padded chaise lounge chairs
. Two padded straight-backed chairs
. Plush towels
. 22 inch LCD television with cable access and optional earphones
. Sirius Satellite Radio
. DVD/CD/MP3 player
. Phone for internal resorts calls
. Oscillating Fan
. Mini refrigerator stocked with complementary sodas and water
. Complementary fruit basket
. Private dining and poolside massages are available at an
additional cost. See Special section below for additional
information.
HOURS: Morning Cabana Rental: 10:00 am to 2:00 pm
Afternoon Cabana Rental: 3:00 pm to 7:00 pm
All Day Cabana Rental: 10:00 am to 7:00 pm
PRICE: Morning or Afternoon Rentals are $60.00+tax per session
All Day rental is $110.00+tax