Answer
Before choosing or arranging visits to religious places and ceremonies, work backwards from the experience you want and the problems you need to avoid. The useful comparison points are appropriate clothing, footwear rules, photography, donation expectations, ceremony timing, access restrictions, quiet behaviour, children and whether a guide or local explanation is available.
Practices vary between sites and events. Observe signs, follow instructions and ask permission before photographing people, monks or rituals.
A dependable provider or organiser will answer plainly and will not hide an important limitation behind vague marketing language. If a safety, legal, medical or access question is involved, use a qualified source rather than an assumption.
Confirm the current terms directly, because Khao Lak services and activities can operate differently between high season, low season and periods of heavy weather.