Don't miss out on fresh coconut from the coconut walla on the corner. It's organic, it's healthy, it helps the local farmers to support their families, it's cheap - only 10 to 20 Rps..
There is a beer and wine store 500 m up the road from the beach. You are supposed not to show any purchases from that store near the beach - keep it i.e. in a cloth bag.
Usually the restaurants serves "special tea" beer if you ask, but they will ask you to have the bottle under the table.
