The most useful preparation for a quieter beach is often ordinary: drinking water, a meal plan, dry clothes and somewhere shaded to pause. Ông Lang’s village can support a flexible outing, though the restaurant you want may be away from the water. Vũng Bầu benefits from a selected shore stop or business so the bay visit has a comfortable centre. Travelling farther does not automatically make a picnic more appealing, especially when the group includes someone who would rather sit than walk.
If lunch includes seafood sold by weight, settle the fish or shellfish, the quantity and the cooking before it goes to the kitchen. A table looking over the water is a setting, not a reason to stop asking what you ordered. Companions who prefer sitting can enjoy the same stop while others walk the usable shore section; agree where to reunite rather than moving everyone whenever one person wants something different. Keep the dry clothes protected and the walk back manageable. Take rubbish out with you and leave working areas clear, particularly around boats or deliveries. With the basics settled, the afternoon has room for a long conversation, the changing western light and an unhurried meal. That is a more practical form of quiet than spending the day looking for a place with no trace of other people.