Island hopping from Phuket usually means a full-day boat trip to three or four nearby islands. Expect a mix of swimming, snorkeling, and beach time, but also a fair bit of travel time between stops and sharing the water with other boats. The better trips visit places like the Similan or Phi Phi area for clearer water and nicer reefs; closer islands can feel crowded and the snorkeling is often average. It's a fun, social day if you like being on the water, but it can feel long and noisy on a packed speedboat.
The best time is December to March when the Andaman Sea is calmest and visibility is good. Avoid May to October – the monsoon often makes the sea rough and many operators cancel trips. Expect to pay around $80–$160 per person depending on whether you go by slower wooden boat or fast speedboat and whether lunch and snorkel gear are included. Private charters or smaller-group tours sit at the higher end.
Tip: Choose a tour that visits fewer islands with more time at each rather than a checklist itinerary. Skip the tours that advertise Maya Bay if you mainly want to swim and snorkel – it's often packed and you may only be allowed to look from the boat. Bring your own snorkel mask if you care about fit; rented gear is usually average.
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