Phuket is the gateway to some of Thailand's most spectacular islands. Sitting in the Andaman Sea off Thailand's southwestern coast, the island's position gives you access to over 30 islands within day-trip distance — from the world-famous Phi Phi archipelago to remote national park islands where you might be the only boat on the beach before 10am.

Source: Tourism Authority of Thailand — The Andaman Sea surrounding Phuket contains over 30 accessible islands across multiple national marine parks.

We've spent years exploring these islands from Phuket — as locals, not tourists. We've taken the group speedboats, chartered private longtails, joined diving liveaboards, and made the early-morning drive to Tap Lamu pier for Similan trips more times than we can count. This guide is built from that first-hand experience, combined with current pricing, seasonal access, and practical advice that the generic travel sites tend to miss.

Thailand's marine tourism generated approximately 125 billion THB (around $3.5 billion USD) in 2024, with Phuket accounting for the largest share of Andaman coast island tourism. The sheer volume of operators means you have options at every price point — but it also means quality varies enormously. Knowing which islands to prioritise, which boat type to choose, and what to bring makes the difference between an average day out and the single best day of your trip.

Source: Thailand Ministry of Tourism & Sports — 2024 marine tourism revenue figures for Andaman coast provinces.

The best island hopping day in Phuket starts at 7am with swimwear you trust, a full charge on your waterproof phone case, and the willingness to jump off the back of a speedboat into water so clear you can see the fish scatter below you.

The 10 Best Islands Near Phuket

Every island accessible from Phuket has its own character. Some are postcard-perfect party stops, others are quiet sanctuaries where the only sounds are waves and birdsong. Here are the ten best, ranked by overall experience, starting with the most iconic.

The Phi Phi archipelago needs little introduction. These six islands — most notably Phi Phi Don and Phi Phi Leh — are among the most photographed destinations in Southeast Asia, and for good reason. Towering limestone cliffs rise vertically from turquoise water, creating a landscape that genuinely looks like a screensaver come to life.

Maya Bay on Phi Phi Leh, made famous by the Leonardo DiCaprio film The Beach, reopened in 2022 after a four-year closure to allow coral reef recovery. The Thai Department of National Parks now caps daily visitors at 3,520 people across staggered time slots, and swimming is no longer permitted in the bay itself. Despite these restrictions, the visit is worth it — the reef recovery has been remarkable, with coral coverage increasing by approximately 40% during the closure period.

Source: Thailand Department of National Parks — Maya Bay daily visitor cap and coral recovery data from 2022-2025 monitoring.

Beyond Maya Bay, a Phi Phi day trip typically includes snorkeling at Pileh Lagoon (an enclosed emerald-green bay surrounded by cliffs), Viking Cave (viewable from the water), Monkey Beach, and at least one open-water snorkeling stop where visibility often exceeds 15 metres.

Most group tours depart from Rassada Pier or Royal Phuket Marina between 7:30am and 8:30am, returning by 5:00-5:30pm. If you have the budget, a private speedboat charter lets you visit Maya Bay during the first or last time slot when crowds are thinnest — the difference in experience is significant. For a deeper dive into planning this specific trip, see our complete Phi Phi day trip guide.

Phang Nga Bay is unlike anything else in Thailand. Over 40 limestone karst formations rise dramatically from the flat, emerald-green water like ancient skyscrapers, creating a seascape that feels almost extraterrestrial. The most famous of these is Khao Phing Kan, better known as James Bond Island after its appearance in The Man with the Golden Gun (1974). The needle-shaped Ko Tapu rock just offshore is one of the most recognisable natural landmarks in Southeast Asia.

The bay itself is a protected area within Ao Phang Nga National Park, spanning approximately 400 square kilometres of coastline and island formations. Most tours combine the James Bond Island stop with sea kayaking through the hongs — collapsed cave systems that form hidden lagoons inside the limestone karsts. Paddling through a narrow cave passage and emerging into a sunlit lagoon surrounded by vertical cliffs is genuinely unforgettable.

Source: Thailand Department of National Parks — Ao Phang Nga National Park covers approximately 400 sq km including 42 islands.

Unlike the open-ocean trips to Phi Phi or Similan, Phang Nga Bay is sheltered and calm year-round, making it one of the few island tours that runs reliably even during monsoon season. This is also why it works well for families with younger children or anyone prone to seasickness.

Tours typically include a stop at Koh Panyee, a floating Muslim fishing village built entirely on stilts over the water. It's touristy but genuinely interesting — the village has been here for over 200 years and houses a community of around 1,500 people. Lunch is usually served here, and the seafood is fresh if not gourmet.

The Similan Islands are consistently ranked among the top 10 dive sites in the world by PADI and major diving publications, and experiencing them in person confirms the reputation. This archipelago of nine islands (the name "Similan" comes from the Malay word sembilan, meaning nine) offers underwater visibility that regularly exceeds 30 metres, coral formations in exceptional health, and marine life ranging from manta rays to whale sharks during peak season.

Source: PADI — Similan Islands consistently ranked in global top 10 dive destinations by dive industry organisations.

Even if you're not a diver, the Similan Islands deliver extraordinary snorkeling. The shallow reefs around islands 4 (Koh Miang) and 8 (Koh Similan) feature hard coral gardens teeming with tropical fish, and the water clarity is noticeably superior to anywhere closer to Phuket. Island 8 also features the iconic Sail Rock — a massive boulder formation that has become the archipelago's most photographed landmark.

The catch: the Similans are seasonal. The Thai National Parks Department closes the islands from approximately mid-May to mid-October each year, allowing marine ecosystems to recover from human impact. During the open season, daily visitor numbers are capped. This means you must book your trip in advance — especially during December, January, and February when demand peaks.

Day trips depart from Tap Lamu Pier in Khao Lak, about a 90-minute drive north of Phuket. Most operators include hotel pickup from Phuket, but the early start (5:00-5:30am pickup) and the drive add to an already long day. If diving is a priority, consider staying in Khao Lak for a night or two and booking a liveaboard trip that allows multiple days exploring the archipelago.

Racha Yai is our go-to recommendation for anyone who wants stunning island scenery without committing to a full-day marathon tour. At just 35-45 minutes from Chalong Pier by speedboat, it's close enough for a half-day trip yet feels worlds away from Phuket's busy west coast beaches.

The main beach — Ao Tawan Tok (Batok Bay) — is a sweeping crescent of fine white sand with water so clear it borders on absurd. Visibility here often reaches 20 metres, and the gradual sandy bottom makes it exceptional for swimming and beginner snorkeling. Several dive operators use Racha Yai as a training site for exactly this reason, so you'll often see groups of new divers doing their open-water certification in the shallows.

Racha Noi, the smaller and more remote sister island about 10km further south, is uninhabited and offers more serious diving terrain. Manta ray sightings are common from February through April, and the underwater topography includes dramatic pinnacles and coral-covered walls. You'll need a private charter or a dedicated dive boat to reach Racha Noi — most group snorkeling tours only visit Racha Yai.

What makes the Racha Islands particularly appealing is the flexibility. Because of the short crossing, you can do a leisurely half-day trip (departing at 9am, returning by 2pm) and still have your afternoon free. This works brilliantly if you're combining island hopping with beach time on Phuket itself.

Coral Island — known locally as Koh Hei — is Phuket's closest offshore island and the most accessible island hopping experience you can have. At just 15 minutes by speedboat from Chalong Pier, it's ideal for anyone short on time, travelling with young children, or looking for a gentle introduction to island hopping before committing to a full-day Phi Phi or Similan trip.

The island has two main beaches: Long Beach (Haad Yao) and Banana Beach. Long Beach is the developed side with sun loungers, restaurants, and water sports operators offering parasailing, jet skiing, and banana boat rides. It's not serene — during peak season it gets busy — but the water is warm, shallow, and calm, making it excellent for families with small children. Banana Beach is quieter and better for snorkeling, though facilities are more basic.

Coral Island won't give you the dramatic scenery of Phi Phi or the pristine diving of the Similans. What it does offer is convenience, calm conditions year-round (the island is sheltered from the worst monsoon swells), and an easy introduction to the experience of being on a Thai island with good snorkeling just off the beach. If this is your first day in Phuket and you want to ease into island life, start here.

Koh Yao Noi is the antithesis of everything people associate with Phuket tourism. This small Muslim fishing island sits in the middle of Phang Nga Bay, just 30 minutes from Phuket by speedboat, yet feels like a different country entirely. There are no beach clubs, no neon signs, no tourist infrastructure beyond a handful of boutique resorts and a few beachside restaurants. What you get instead is authentic Thai island life: rice paddies, rubber plantations, wooden fishing boats, and the kind of peace that's increasingly rare in southern Thailand.

Koh Yao Noi was recognised by the World Tourism Organization as one of the best examples of community-based sustainable tourism in Asia. The island's residents have intentionally limited development to preserve their way of life, and it shows. Rent a bicycle or scooter for the day and explore the interior — you'll pass through villages where children wave, past water buffalo in flooded rice fields, and along quiet coastal roads with views across Phang Nga Bay's limestone karsts.

Source: UN World Tourism Organization (UNWTO) — Koh Yao Noi recognised for community-based sustainable tourism practices.

Koh Yao Yai, the larger sister island to the south, is even quieter. A long bridge now connects the two islands, making it possible to explore both in a single day. The eastern coast of Yao Yai has several deserted beaches with soft sand and clear water, and you may well have them entirely to yourself outside of school holidays.

Getting to Koh Yao Noi is easy and cheap. Public ferries depart from Bang Rong Pier on Phuket's northeast coast roughly every hour, costing 200-350 THB per person each way. Speedboat transfers are also available for around 600-800 THB per person. For a day trip, take the morning ferry, rent a scooter (250-300 THB/day), explore the island, have seafood lunch at one of the beachside restaurants, and catch an afternoon ferry back.

The Surin Islands are the most remote island destination accessible as a day trip from Phuket, and the extra effort to reach them is rewarded with some of the most pristine marine environments in Thailand. This five-island archipelago sits in the Andaman Sea near the Myanmar border, and its relative inaccessibility has kept it in remarkable condition compared to more popular destinations.

Snorkeling here is world-class. The shallow reefs around Surin Nuea (North Surin) and Surin Tai (South Surin) feature healthy hard and soft coral formations with biodiversity that rivals the Similans. Sea turtles are frequently spotted, and the water clarity is exceptional even by Andaman standards.

A unique cultural dimension: the Surin Islands are home to a Moken (Sea Gypsy) community — one of the last semi-nomadic marine peoples in Southeast Asia. Most tours include a respectful visit to their village on Surin Tai, offering a brief window into a way of life that has existed for centuries. The Moken have traditionally lived on boats and sustained themselves through free-diving for shellfish and fish, though this lifestyle is increasingly under pressure from modernisation.

Day trips from Phuket are extremely long — typically involving a 2-hour drive north to Kuraburi Pier followed by a 60-75 minute speedboat crossing. Budget 14-15 hours total. For a less rushed experience, the national park operates basic bungalows and tent accommodation on Surin Nuea, allowing overnight stays. Book these well in advance through the national park website, especially for weekends and holidays during high season.

Bamboo Island is a tiny, flat coral island about 5km north of Phi Phi Don, and it offers something the main Phi Phi islands don't: a genuine stretch of white sand beach where you can simply lie down and be still. While Phi Phi Leh is all about dramatic cliffs and Phi Phi Don is the bustling hub, Bamboo Island is pure simplicity — a ring of white sand surrounding a small patch of tropical vegetation, encircled by water that shifts from pale turquoise to deep blue within metres of the shore.

Most Phi Phi day trips include a 30-45 minute stop at Bamboo Island for beach time and swimming. The snorkeling off the eastern side is decent, with coral formations in shallow water that attract colourful reef fish. The western beach is the larger of the two and offers the classic tropical island photo opportunity: white sand fading into impossibly clear water with not a building in sight.

The island gets busy midday when multiple tour boats arrive simultaneously. If you're on a private charter, request to visit Bamboo Island either first thing in the morning or late afternoon. The difference between experiencing this island with 200 other tourists versus 20 is substantial.

Maiton Island is Phuket's private island — a 500-metre-wide gem owned by a hospitality company that controls access and keeps visitor numbers deliberately low. The result is an exclusivity that feels earned rather than artificial. The main beach is a perfect crescent of fine white sand with calm, clear water, and on any given day you'll share it with a few dozen people at most rather than the hundreds common at Coral Island or Phi Phi.

Day trip packages typically include speedboat transfer, a welcome drink, set Thai lunch, beach time, and basic snorkeling equipment. The snorkeling itself is reasonable but not exceptional — you come to Maiton for the beach, the quiet, and the feeling of having an island largely to yourself. Dolphins are frequently spotted in the waters between Phuket and Maiton during the crossing, particularly in the morning.

This is the island trip we recommend for couples celebrating something — an anniversary, honeymoon, or simply a day where you want peace, beauty, and privacy without the 5am alarm and 10-hour itinerary that come with Similan or Surin trips.

Koh Rang Yai is a small, privately owned island on Phuket's eastern side that operates primarily as a family-oriented day trip destination. The island's main draw is its pearl farm — one of the few places in southern Thailand where you can see the entire pearl cultivation process, from seeding oysters to harvesting finished pearls. Children find it genuinely fascinating, and the guided tour takes about 30-40 minutes.

Beyond the pearl farm, Koh Rang Yai offers a relaxed beach area with loungers, a basic restaurant, and calm shallow water suitable for young swimmers. There's also mini-golf, a flying fox (zipline), and kayak rental. It's not going to compete with Phi Phi for scenery or Similan for snorkeling, but as a gentle, family-friendly half-day outing, it fills a niche. The short 10-15 minute crossing makes it practical even with very young children or older family members who might struggle with a longer boat journey.

Koh Rang Yai also works well as a quick escape for anyone staying on Phuket's east coast near the airport or Phuket Town. While everyone else drives 40 minutes to the west coast beaches, you can be on a quiet island in minutes.

Types of Island Tours: Speedboat vs Longtail vs Catamaran

How you get to the islands matters as much as which islands you visit. Each boat type offers a fundamentally different experience, and choosing the wrong one can turn an incredible destination into an exhausting ordeal. Having tried every option multiple times, here's the honest breakdown.

Speedboat (Group Tour)

• Capacity: 25-35 passengers typically
• Speed: Fast — cuts travel time significantly
• Cost: 1,500-4,500 THB per person depending on destination
• Comfort: Moderate. Can be bumpy in choppy conditions.
• Best For: Phi Phi, Similan, Racha — anywhere distance matters

Speedboats are the workhorse of Phuket island hopping. They're fast, efficient, and the default choice for most day trips. The trade-off is comfort — in rough conditions (common from May to October), a speedboat ride can be genuinely unpleasant. Sit near the back and centre of the boat for less bounce. If you're prone to motion sickness, take medication at least 30 minutes before departure.

Longtail Boat

• Capacity: 6-10 passengers
• Speed: Slow — roughly 10-15 km/h
• Cost: 3,000-8,000 THB per boat (half or full day charter)
• Comfort: Basic. No shade on most boats, wooden seats.
• Best For: Coral Island, Phang Nga Bay, short-distance island hopping

Longtails are the iconic Thai boat — slender wooden vessels with a long propeller shaft extending from the stern. They're slow and basic, but there's something deeply romantic about puttering across the Andaman Sea in one, the engine rhythm mixing with the sound of waves. They're ideal for short hops (Coral Island, Koh Rang Yai) and for exploring Phang Nga Bay at a pace that lets you actually absorb the scenery. Not suitable for open-ocean crossings to Phi Phi or Similan.

Catamaran / Sailing Yacht

• Capacity: 20-40 passengers (large cat) or 8-15 (sailing yacht)
• Speed: Moderate — slower than speedboat, faster than longtail
• Cost: 3,000-6,000 THB per person (group); 30,000-80,000+ THB (private charter)
• Comfort: Excellent. Stable, spacious, shaded areas, often includes meals.
• Best For: Phi Phi, Racha, sunset cruises, luxury experiences

If your budget allows, a catamaran trip transforms island hopping from an activity into an experience. Large catamarans are stable (no bouncing), spacious (room to move around, lie down, socialise), and typically include a full lunch, open bar, and snorkeling equipment. Several operators in Phuket run catamaran day trips to Phi Phi and Racha, and the experience is noticeably more relaxed than a speedboat tour. You sacrifice some speed, which means fewer stops, but the journey itself becomes part of the pleasure.

Private Speedboat Charter

• Capacity: 6-15 passengers
• Speed: Fast — you control the itinerary and pace
• Cost: 15,000-45,000 THB per boat per day
• Comfort: Good to excellent depending on vessel
• Best For: Groups, families, anyone wanting flexibility

The ultimate island hopping option. A private charter lets you set your own schedule, visit islands in the order you choose, stay longer at spots you love, and skip ones that don't interest you. For a group of 4-8, the per-person cost (2,500-6,000 THB each) is surprisingly competitive with premium group tours — and the experience is incomparably better. We strongly recommend private charters for Phi Phi trips in particular, where the ability to visit Maya Bay at off-peak times is worth the premium alone.

What to Wear Island Hopping in Phuket

This is the section most guides skip, but it matters more than you'd think. Island hopping is not the same as lying on a beach. You're climbing in and out of boats, jumping into water from chest height, wading onto rocky shores, snorkeling in currents, and spending 8-10 hours alternating between wet and dry. What you wear determines whether you're comfortable all day or fidgeting, adjusting, and regretting choices by noon.

Swimwear: Your Base Layer

Your swimwear is not just for swimming on an island hopping day — it's your primary outfit from 7am to 5pm. You'll eat lunch in it, sit on the boat in it, walk across beaches in it, and take every photo in it. It needs to perform across all these situations.

• Secure fit is essential: You will jump off boats, get hit by waves, and wade through waist-deep water. Your swimwear needs to stay exactly where it is through all of this. Avoid tie-side bikini bottoms, strapless tops, and anything with clasps that could catch or release. Fixed-strap tops and full-coverage bottoms are ideal.
• Quick-dry fabrics: You'll cycle between wet and dry multiple times. Fabrics that stay damp and heavy for hours become genuinely uncomfortable, especially when sitting on a boat. Quality swimwear made from quick-dry polyamide or nylon blends will dry between stops.
• Comfort for sitting: You'll spend 2-4 hours sitting on boat seats. High-cut bikini bottoms and thong styles might look great on a beach but can be uncomfortable on hard boat seats for extended periods. Mid-rise coverage with a flat waistband is the practical choice.
• Choose pieces you feel confident in: An island hopping day produces some of the best holiday photos you'll take. Choose swimwear in colours that photograph well against turquoise water and white sand — solid colours like coral, navy, emerald, or classic black tend to work beautifully.

Browse the KOH SWIM collection — every piece is designed in Phuket for exactly this kind of active island lifestyle. Quick-dry fabrics, secure fits, and styles that look as good on a boat as they do in the water. Not sure which style suits you? Try them on virtually before you buy.

Sun Protection Layer

You will burn on an island hopping day. The combination of direct sunlight, reflection off the water, and wind on the boat (which masks how much UV exposure you're getting) means that even people who never usually burn can end up lobster-red. A lightweight rash guard or UV-protective top for boat sections is strongly recommended. If you'd rather stay in just your swimwear, reapply reef-safe sunscreen every 90 minutes without fail.

Footwear

Leave the flip-flops at the hotel. They're impossible to manage getting on and off boats, and they offer no grip on wet surfaces or protection on rocky shorelines. Reef shoes or water sandals with a secure strap are the practical choice. Several islands (particularly the Similans and Surin) have coral rubble and rocky entries where barefoot walking is genuinely painful.

Island Hopping Packing Checklist

After dozens of island trips, we've refined this to the essentials. Everything here fits in a small dry bag, which is exactly how you should pack for any island hopping day. For a complete holiday packing guide, see our Phuket packing list.

1. Swimwear (worn): Your best-fitting, quick-dry bikini or one-piece. This is your outfit for the day. Make it a good one.
2. Reef-safe sunscreen (SPF 50+): Non-negotiable. Thailand's national parks increasingly enforce reef-safe requirements, and conventional sunscreens containing oxybenzone and octinoxate damage coral. Apply before departure and reapply every 90 minutes.
3. Waterproof phone case: A universal waterproof phone pouch (100-300 THB from any Phuket convenience store or market) protects your phone on the boat and lets you take underwater photos while snorkeling. Test it in the hotel sink before the trip.
4. Dry bag (10-20L): Essential. Keep your dry clothes, wallet, and electronics sealed and protected from spray, splashes, and the inevitable moment someone drops a bag in ankle-deep water. Available at 7-Eleven and tourism shops for 200-500 THB.
5. Cash (1,000-2,000 THB): Some islands have small vendors selling drinks and snacks. National park fees are sometimes collected separately in cash. ATMs don't exist on any of these islands.
6. Snorkeling mask (optional): Tour operators provide basic masks, but they're often scratched, ill-fitting, and shared with dozens of daily users. If you're serious about snorkeling, bring your own mask. A decent one costs 500-1,500 THB from any dive shop in Phuket.
7. Rash guard or light cover-up: For sun protection on the boat and warmth if you get cold between swims.
8. Water shoes or reef sandals: For rocky entries and coral rubble shorelines.
9. Motion sickness medication: If you're at all prone, take it 30 minutes before boarding. The boat ride to Phi Phi or Similan can be rough, especially May-October.
10. Small towel: Some tours provide towels, many don't. A quick-dry microfibre travel towel takes up almost no space.

What to leave behind: large bags, valuables, excessive electronics, heavy books, and anything you'd be upset about getting wet or sandy. Travel light. Island hopping is not the day for your designer sunglasses or favourite linen shirt.

Booking Tips & Avoiding Scams

Phuket has hundreds of tour operators offering island trips, and the quality range is enormous. Here's how to book wisely and avoid the common pitfalls.

Where to Book

• Direct with operators (best value): Companies like Simba Sea Trips, Sea Star, and Offspray Leisure run their own boats and sell directly via their websites. Prices are typically 20-40% lower than booking through intermediaries, and you know exactly which boat and itinerary you're getting.
• Online platforms: Klook, GetYourGuide, and Viator aggregate tours and often run promotions. The convenience of instant booking and cancellation policies can offset slightly higher prices. Read recent reviews carefully — they reveal current quality better than star ratings.
• Hotel tour desks: Convenient but expensive. Hotels add a 30-50% commission to tour prices. The same Phi Phi trip that costs 1,800 THB booked directly might cost 2,800-3,500 THB through your hotel. The only advantage is the hotel handling any issues that arise.
• Street-side tour shops (use caution): Patong, Kata, and Karon have dozens of small tour shops offering island trips. Prices can be very low, but quality is unpredictable. Some are legitimate agents for good operators; others sell cheap trips that use old, overcrowded boats with minimal safety equipment. Always ask to see photos of the actual boat and confirm group size limits before paying.

Red Flags to Watch For

• Prices below 1,000 THB for Phi Phi: A legitimate Phi Phi speedboat tour costs a minimum of ~1,500 THB to operate. Anything significantly below this likely means an overcrowded boat, poor safety, no insurance, or hidden charges.
• No mention of national park fees: Reputable operators clearly state whether the 300-500 THB national park fee is included or paid separately. If it's not mentioned, you'll likely be charged at the pier with no warning.
• "VIP" claims without specifics: "VIP tour" in Phuket can mean anything from a slightly newer boat to literally nothing different. Ask for the exact boat name, maximum passenger count, and what's included.
• Cash-only payment with no receipt: Legitimate operators accept bank transfer or card payment and provide a booking confirmation. Cash-only deals at unmarked tour shops carry risk.

Group Tour vs Private Charter

Group tours are the budget-friendly default and work well for solo travellers and couples. For groups of 4 or more, run the numbers on a private charter — you'll often find the per-person cost is competitive with premium group tours (2,500-5,000 THB per person), and you gain complete control over timing, stops, and pace. For families with young children, private charters are strongly recommended: you can adjust the schedule around nap times, skip overly rough crossings, and spend longer at calm, shallow beaches.

Best Time for Island Hopping from Phuket

Timing your island hopping trips correctly can mean the difference between crystal-clear seas and a cancelled tour. Here's the seasonal breakdown.

High Season: November to April

This is the prime window. The northeast monsoon brings dry, sunny weather to Phuket's Andaman coast, calm seas, and excellent underwater visibility. All islands are open, including the seasonal Similan and Surin archipelagos. January through March offers the best overall conditions: minimal rain, warm water temperatures (28-30°C), and visibility often exceeding 25 metres at top snorkeling sites.

The trade-off is crowds. Peak weeks around Christmas, New Year, Chinese New Year (late January or February), and Easter see the highest visitor numbers. Phi Phi and James Bond Island tours sell out days in advance during these periods. Book early and, if possible, choose weekday departures over weekends.

Source: Thai Meteorological Department — Average Phuket sea surface temperatures range 28-30°C during dry season months.

Shoulder Season: May and October

May marks the transition into monsoon season, while October sees the transition out. Both months can deliver excellent island hopping days between rain showers, with the significant advantage of fewer tourists and lower prices. The Similans and Surins close in mid-May and reopen in mid-October, but Phi Phi, Racha, Coral Island, and Koh Yao remain accessible. Conditions are variable — you might get a perfect calm day or a rough crossing. Check weather forecasts on the day and book with operators who offer flexible cancellation.

Low Season: June to September

The southwest monsoon brings regular rain (though rarely all-day downpours) and rougher seas to the Andaman coast. Many island tour operators reduce their schedules or cancel trips when waves exceed safe limits. Phi Phi tours still run on calmer days, and Phang Nga Bay (being sheltered) operates year-round. Coral Island and the Racha Islands are also accessible in calmer conditions.

The advantages of low season are real: dramatically lower prices (30-50% discounts are common), virtually no crowds, and green, lush landscapes. If your travel dates fall in this window, don't write off island hopping entirely — just plan for flexibility and have backup activities for rough weather days. Thailand's west coast receives approximately 2,200mm of rainfall annually, with over 70% falling between May and October.

Source: Thai Meteorological Department — Average annual rainfall data for Phuket province.

Island Accessibility Calendar

• Year-round: Phi Phi, Racha Yai, Coral Island, Koh Yao Noi/Yai, Phang Nga Bay, Koh Rang Yai
• Mid-October to mid-May only: Similan Islands, Surin Islands
• Best November-April: Racha Noi, Bamboo Island, Maiton Island (accessible year-round but conditions significantly better in dry season)

For a comprehensive guide to planning your trip around the seasons, see our best time to visit Phuket guide. And for everything you need to pack for your trip, check the Phuket packing list. First-time visitors should also read our first-time Phuket guide for a complete orientation.

Frequently Asked Questions

How much does island hopping cost in Phuket?

Group speedboat tours from Phuket typically cost 1,500-3,500 THB per person depending on the destination and operator. Phi Phi and James Bond Island tours average 1,800-2,500 THB. Similan Islands day trips run 3,000-4,500 THB due to the longer journey. Private longtail charters start around 3,000-5,000 THB for half a day, while private speedboat charters range from 15,000-45,000 THB per boat for a full day. National park entry fees (typically 300-500 THB for foreign visitors) are sometimes extra.

What is the best island to visit from Phuket?

The Phi Phi Islands are the most popular and arguably the best overall island trip from Phuket, offering dramatic limestone cliffs, world-class snorkeling, and the famous Maya Bay. For diving enthusiasts, the Similan Islands are unmatched with visibility reaching 30 metres. For a quieter, more authentic experience, Koh Yao Noi offers traditional Thai island life just 30 minutes from Phuket by speedboat. The Racha Islands are ideal for crystal-clear water and easy access at just 45 minutes from Chalong Pier.

What should I wear for island hopping in Phuket?

Wear your swimwear as your base layer since you will be in and out of water all day. Choose a bikini or one-piece with a secure fit that stays in place when jumping off boats or snorkeling. Quick-dry fabrics are essential. Bring a light cover-up or rash guard for sun protection on the boat, reef-safe sunscreen, and water shoes for rocky shorelines. Avoid loose sarongs that can catch on boat ladders. A waterproof phone case and dry bag are must-haves to protect your belongings.

When is the best time for island hopping from Phuket?

The best time for island hopping from Phuket is November through April when the Andaman Sea is calm, visibility is excellent, and all islands are accessible. The Similan and Surin Islands are only open from approximately mid-October to mid-May due to monsoon conditions. During the wet season (May to October), Phi Phi, Racha, and Coral Island remain accessible on calmer days, but seas can be rough and some tours are cancelled. January through March offers the best overall conditions with minimal rain and calm seas.

Is it better to book island tours in advance or in Phuket?

For popular destinations like Phi Phi and James Bond Island, booking 2-3 days ahead is recommended during high season (November to April) to secure your preferred date and boat size. Booking online through reputable operators typically offers better prices than hotel tour desks, which add a 30-50% commission. Street-side tour shops in Patong can offer lower prices but quality varies significantly. For Similan Islands trips, advance booking is essential as daily visitor numbers are capped by the National Parks Department.

How long does a Phuket island hopping tour take?

Most island hopping day trips from Phuket take 8-10 hours including hotel pickup and drop-off. A Phi Phi Islands tour typically departs around 7:30-8:00am and returns by 5:00-5:30pm. Similan Islands trips are longer at 10-12 hours due to the 65km distance. Coral Island (Koh Hei) is the quickest option at 4-6 hours since it is only 15 minutes from Chalong Pier by speedboat. Half-day tours to nearby islands like Racha take 5-6 hours.

Are Phuket island hopping tours safe?

Licensed tour operators in Phuket maintain good safety standards. Look for boats with life jackets for all passengers, a visible safety briefing, and a registered captain. Avoid unlicensed operators offering suspiciously cheap prices. During monsoon season (June to September), reputable operators cancel tours if conditions are unsafe. Thailand's Marine Department enforces boat safety inspections, and since 2019 has tightened regulations following several incidents. Choose operators with strong reviews on Google or TripAdvisor and always confirm insurance coverage.

Written by The KOH SWIM Team

Phuket-Based Swimwear Brand · Est. 2025

We live and work in Phuket, Thailand. Our team designs swimwear for tropical island life and writes from first-hand experience exploring every beach, market, and hidden spot on the island. We've taken every island trip in this guide multiple times and update it regularly with current pricing and conditions.

Last updated: March 14, 2026