Agree on the practical boundaries first
Before asking for recommendations, find out who wants a light meal, who is very hungry and whether anyone has ingredients they avoid. Pass those requirements clearly to the restaurant and ask what it can accommodate. Do not wait until dishes arrive to discover that half the table cannot share them.
Some meals work better with a mixture of shared dishes and one individual order. That is perfectly reasonable. Sharing should make dinner more pleasant, not require someone to compromise on a need or explain a preference repeatedly. Establish the arrangement before the first order.
Choose contrast rather than quantity
Look for dishes that give the meal different roles: something with sauce, something with texture, vegetables and an appropriate staple. Those roles are a planning tool, not a fixed rule of Thai dining. Ask the server whether two dishes are very similar or whether one portion is enough for the table.
Phuket's food heritage draws on several cultural influences, as the Public Relations Department explains. That breadth makes it more interesting to follow the kitchen's strengths than to insist that every meal contain the same famous national dishes. A short menu can still offer a satisfying combination.
Treat spice as a conversation
Say what level of heat you enjoy and ask which dishes can realistically be adjusted. Some preparations may already contain a seasoned paste or cooked sauce. Removing visible chilli is not necessarily the same as making the whole dish mild. The kitchen can explain what is possible for that preparation.
Do not turn a preference for strong heat into a challenge for the table. Choose a suitable option for those who want it and make sure others have food they enjoy. A meal can show different aspects of a cuisine without requiring every diner to demonstrate the same tolerance.
Order a first round, then observe
Start with a manageable selection and ask about likely preparation time if you expect to add more later. Some kitchens welcome a second round; others may be close to finishing service or need longer for particular dishes. Make the plan with staff rather than assuming more food can always appear immediately.
When the first dishes arrive, check that everyone can reach them and has the utensils they need. Follow the restaurant's serving arrangement and use shared utensils where provided. Let people take modest portions so the whole group has a chance to taste before returning for more.
Try giving one person the task of placing the agreed first order, while another checks that everyone has rice or another accompaniment they want. This avoids two people independently adding dishes because each thinks the table needs more food. Once the first plates arrive, look at the actual portions before deciding on another round.
Keep curiosity specific
Ask the name of a dish you enjoy and which ingredient gives it a distinctive flavour. A small, concrete question is easier to answer than a request for the complete history of Southern Thai cooking during dinner service. If you want deeper instruction, a cooking class can provide time that a busy restaurant cannot.
Restaurant guides, including MICHELIN's Phuket directory, can help you find kitchens specialising in Southern Thai food. They do not decide which meal will suit your group tonight. Use the directory to identify possibilities, then read the actual menu and ask the actual staff.
End with a shared understanding of the bill
Check how seafood, supplements or extra portions are priced before ordering them. Agree how the group will divide the meal, especially if some people choose separate dishes or drinks. That discussion is easier before the bill appears, and it protects the relaxed atmosphere you have spent the meal creating.
If food remains, ask whether taking it away is appropriate and consider the journey and storage at your accommodation. Do not request a package simply to postpone throwing something away. The best shared meal leaves you with a few dishes you would like to understand better and enough room to enjoy another ordinary dinner tomorrow.