Being an island you will find several beautiful beaches on Con Son. The good thing is, most are quite remote and not filled with hundreds of sun loungers you have to fight for. You can easily take a towel, drinks and food and have a whole beach area for yourself.
I saw six specific beach areas, though there could be some more hidden away. Except of the beach in Con Son Village and An Hai beach you require a bicycle or scooter to reach them from the village.