The oceans warm, its awesome! the resort is new, as are the roads, if you get the back of the truck thats a taxi try going to the local town, head to the beach, eat sitting on mats n pillows on the sand and watch the stars while eating BBQ food, or many other choices, all much cheaper than the resor....
I enjoyed staying at Ao Prao. It was B+ in generall - Nice atmosphere, clean, nice staffs. But it could be a bit boring if you stay more than one night. No activities you can really enjoy at the resort. The price is also a bit higher than what you can actually get. Especially for the FOOD! Don't eve....