The White Lotus filmed at Phuket Yacht Haven Marina, Phuket. The northern Phuket marina used as the yacht's mooring for the Phang Nga Bay trip.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Phuket and it tells you what was shot around you, how to get there, and whether you can actually go in.
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