🔄 Updated 21 Jun 2026
Phang Nga isn't a province you can breeze into year-round, because its headline draws — the Similan and Surin island groups — are marine national parks that close with the monsoon. Plan the wrong window and you can arrive to find the islands shut, or seas rough enough that boats don't sail. So we'd suggest reading the timing and boat-booking sections closely first, then getting into the budget and SIM details.
Best Time to Go, and When the Islands Open and Close
The travel season on Phang Nga's Andaman coast runs November to April. This is when the sea is calm and the skies and water are clear — the best stretch for getting out to the islands by boat. May to October is the rainy season, with strong wind and swell, many tours suspended, and the marine national parks closed.
- Similan Islands (Mu Ko Similan National Park) — open roughly 15 October to 15 May each year. Outside that window it closes to let nature recover and for safety during the monsoon (for 2026 the announced closure is 15 May).
- Surin Islands (Mu Ko Surin National Park) — open and close on a similar schedule, around mid-October to mid-May, also shutting for the rainy season.
- Phang Nga Bay, Khao Lak, Koh Yao Noi–Koh Yao Yai — visitable almost year-round, but in the rainy season the wind and swell pick up and some water activities may be cancelled. Nov–Apr is still the easiest stretch by far.
If you're chasing the clearest water, late December to early January is the busiest because it lines up with the long holidays. For the clearest water with slightly fewer people, February to April usually has excellent underwater visibility — ideal for snorkelling over the coral and spotting whale sharks.
Check before you book
Park open and close dates can shift year to year with the parks department's announcements. Before booking flights or accommodation far in advance, check that year's announcement again, especially if you're going in early November or late April, right on the edge of the season.
Booking a Boat Tour — Which Pier, and How
Phang Nga's main islands are reached mostly by tour boat. Most Similan and Surin tours leave from Thap Lamu Pier in Thai Muang district, near Khao Lak. Tours usually include a pickup from your hotel in the Khao Lak, Phuket or Krabi area to the pier, then a speedboat out to the islands.
- Similan day trip by speedboat — prices start around 1,800–2,500 THB per person, mostly including transfers, park fees, food, snorkelling gear and a guide.
- Overnight on the island/on the boat — there are 2-day-1-night and 3-day-2-night packages for people who want to dive several spots and shoot photos without rushing. Prices run several times higher than a day trip.
- Surin tours — focused on snorkelling over shallow, clear-water coral, with some trips stopping at a Moken village. Prices are similar to Similan.
On booking, you normally don't need to register with the park yourself — the tour company handles the fees and the passenger list. Just book ahead with a reputable company, whether online through a tour platform or directly with the operator. In high season seats fill up fast, so book at least 2–4 weeks ahead.
Pick a tour that's worth it
Compare whether the price already includes the park fee — some show a cheap rate and tack the park fee on afterwards. And if you get seasick easily, pick a trip leaving from a closer pier like Thap Lamu, where the boat ride is shorter than a trip out of Phuket.
Daily Budget — How Much to Set Aside
Phang Nga flexes to your style. Stay in a Khao Lak guesthouse and eat at local spots and you can keep it cheap, but on any day you take a boat tour, that day's budget jumps right away because the tour is the single biggest cost. Here are rough per-person, per-day figures to anchor your planning.
- Accommodation — Khao Lak guesthouses/hostels start around 500–900 THB/night · mid-range resorts 1,500–3,500 THB · luxury beachfront resorts and Koh Yao run several thousand and up.
- Food — local/made-to-order spots 60–120 THB a meal · seaside seafood restaurants 300–600 THB/person a meal, depending on what you order.
- Boat tours — a Similan/Surin day trip runs around 1,800–2,500 THB/person, the biggest single expense of the trip.
- Getting around locally — motorbike rental around 250–350 THB/day · car rental from 1,200 THB/day · taxis/private cars charged per trip.
Rough summary: on a day without a boat trip, a comfortable budget of around 800–1,500 THB/person/day is plenty. On a boat-tour day, setting aside 2,500–3,500 THB/person/day all in is the safer call.
Carry some cash
Local shops, markets and many rental spots take cash more easily — transfers or cards aren't accepted everywhere, especially outside central Khao Lak. Keep enough cash on you for a day's spending.
Getting to Phang Nga, and SIM/Data
Phang Nga has no commercial airport of its own. Most people fly into Phuket Airport and drive on to Khao Lak, about 1.5–2 hours, or fly into Krabi and drive over. From Phuket there are vans, minibuses and rental cars; if you're a group, renting a car and driving yourself is better value and more flexible, since the sights are spread out.
- Phuket → Khao Lak — vans/minibuses run from the low hundreds to a few hundred baht per person · renting a car and driving yourself is the most flexible for hitting several spots.
- Krabi → Phang Nga — an option if you're continuing from Krabi; there's public transport linking them, but services are limited, so plan your timing carefully.
- Within Phang Nga — public transport is sparse, so you'll rely mainly on a rental car, motorbike, or private cars.
On SIMs and data, foreign visitors can buy a tourist SIM right at the carrier counters in Phuket Airport. AIS, True and dtac all have tourist packages by number of days, with fast coverage across the towns and Khao Lak. Thai travellers can just use their existing SIM — signal in town and the main tourist areas is fine.
Signal out on the islands
Out on the boat mid-sea and at some spots around Similan/Surin, signal is weak to none — call it a built-in break from your phone. Download offline maps and get all your bookings sorted before the boat leaves.
Packing Checklist — What to Bring
- Reef-safe sunscreen — the Andaman sun is strong, and it helps protect the coral.
- Sandals with heel straps / water shoes — easier for walking on the beach and over rocks.
- Motion-sickness pills — if you get seasick easily, taking one before the speedboat leaves helps a lot.
- Dry bag / waterproof pouch — keeps your phone and camera dry when getting on and off the boat.
- Cash on you — for local shops and rental spots that only take cash.
Pick a well-placed base for your island trips
See the Top 10 Hotels in Phang Nga →