I am sorry but don't know the place that you are booked in to.
We often ate down the nopparata side of Ao nang. in my opinion the food, although good, does not compare any where with samui. both me and dave felt the same. along the main road in aonag there is a food market. in retrospect we would have eaten here far more for value and taste.
the scenery and islands around Krabi are really beautiful and i was really impressed with koh lanta that we drove to one day.
Have you looked for the hotel on sawadee? they have reviews on there.
when you going?

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Kiss
God laughs at people who make plans.