Best Snorkelling in Phuket
Snorkelling in Phuket splits cleanly into two options. The best underwater scenery is on the islands around Phuket, reached by half-day or full-day boat trips. The easier, cheaper option is shore snorkelling at the rocky ends of Phuket’s own beaches, no boat needed. Neither will match the Similan Islands or Coral Island for coral variety, but both have their place depending on time and budget.
The rocky coves and hidden bays on the south and west coast of Phuket itself have the clearest shore water and the most fish. The best shore snorkelling is usually at the ends of beaches, where rocks create shelter for marine life. Bring your own gear if you can, as not all beaches have rental shops.
Swimming on the west coast can be dangerous during the monsoon season (May to October), so check conditions before going in. The calm months from November to April offer the best visibility, often 10 metres or more. See the full guide to things to do in Phuket for more.
Quick Snorkelling Comparison
| Spot | Best For | Level | Gear Rental | Season |
|---|---|---|---|---|
| Islands (Similan, Phi Phi, Coral) | Best coral and marine life overall | All levels | Included in tours | Nov-Apr (Similan), year-round (Coral) |
| Ao Sane | Best shore snorkelling on Phuket | Intermediate | Yes (150 Baht) | Nov-Apr |
| Ya Nui + Koh Man | Clownfish, island crossing | All (beach) / Strong (island) | Yes | Nov-Apr |
| Merlin Beach | Natural reef, sea turtles | All levels | Hotel only | Nov-Apr |
| Banana Beach | Quiet, clear water, hidden cove | All levels | No | Nov-Apr |
| Laem Singh | Recovered reef, few visitors | Intermediate | No | Nov-Apr |
| Kata / Kata Noi | Rocky ends, Koh Poo island | Beginner (beach) / Inter (island) | Yes | Nov-Apr only |
| Nai Thon | Relaxed, southern rocks | Beginner | Sometimes | Nov-Apr |
| Freedom Beach | Clear water, no jet skis | All levels | Sometimes | Nov-Apr |
| Paradise Beach | Sheltered, works in low season | Beginner | Yes | Year-round |
How to Choose Where to Snorkel in Phuket
The first decision is whether to take a boat trip or snorkel from shore. Both are valid. Here is how to pick.
Take a boat trip if you want the best snorkelling. The islands around Phuket have clearer water, healthier coral and more fish than anywhere along Phuket’s own coast. Coral Island is the closest option, 15 minutes by speedboat from Rawai, calm and suitable for children. Phi Phi is a full day out and mixes snorkelling with famous beach stops. The Similan Islands are the best in Thailand but require a full-day speedboat trip and are only open from November to April.
Stay on shore if you are on a budget or short on time. Ao Sane, Ya Nui, with the Koh Man swim, Merlin Beach and Freedom Beach all offer decent shore snorkelling for free. You just need a mask, fins and a taxi or scooter to get there. Ao Sane is probably the best pure shore option on Phuket.
Pick by your swimming ability. Paradise Beach, Merlin Beach, Nai Thon and Coral Island are suitable for beginners and children. Ao Sane, Laem Singh and the Ya Nui-to-Koh Man crossing need confident swimmers. Never attempt the Koh Man crossing unless you have strong open-water swimming experience; the passage is about 300 metres each way.
Pick by where you are staying. If you are in the south of Phuket (Rawai, Nai Harn, Kata), Ao Sane and Ya Nui are a short drive. If you are in Patong, Freedom Beach and Paradise Beach are nearby. If you are in the north (Bang Tao, Surin, near the airport), Banana Beach and Nai Thon are closest. Merlin Beach is between Patong and Karon.
Visit in high season if possible. November to April is when the sea is calm, visibility is good and fish are most visible. The monsoon season (May to October) makes most west coast snorkelling unsafe. Paradise Beach is the one year-round exception because it faces northeast and stays sheltered.
Consider tide timing. Many Phuket shore snorkelling spots work best at mid to high tide, when the water covers the reef and reduces the chance of standing on coral or urchins. Check a tide chart for Phuket before planning a morning session.
Snorkelling on the Islands
| Location: Boat trip from Phuket |
The best snorkelling around Phuket is on the nearby islands, where the water is clearer and the coral is healthier than anything along the main coastline. The Similan Islands are in a league of their own, with hard and soft coral gardens, sea turtles, reef sharks and visibility that can reach 30 metres.
Phi Phi Island has colourful reef fish and the chance to see blacktip sharks in shallow water. Coral Island is the closest option (15 minutes by speedboat from Rawai) and is calm enough for beginners and children. Koh Khai has shallow reefs right off the beach, and Bon Island is even closer, with decent branch coral and a quiet atmosphere. All of these are accessible as day trips from Phuket.
Ao Sane Beach
| Location: Near Nai Harn Beach |
Ao Sane is probably the best shore snorkelling on Phuket itself. The beach is split into three tiny coves separated by rock formations, and both the left and right sides have good underwater terrain. The left side drops off quickly into deeper water where you can spot parrotfish, butterflyfish and occasional moray eels hiding in the rocks. The right side is shallower and better at high tide, with brain coral and anemones close to the surface. You can rent masks and fins for about 150 Baht at the small dive centre on the beach. The water is calmest in the morning. Best from November to April.
Best for: Confident swimmers, experienced snorkellers
Marine life: Parrotfish, butterflyfish, moray eels, anemones, brain coral
Gear rental: Yes, 150 Baht
Facilities: Restaurant, dive centre, basic bungalows
Ya Nui Beach
| Location: South Phuket |
Ya Nui is a tiny cove between the Windmill Viewpoint and Promthep Cape in the far south of Phuket. The rocky left side has colourful reef fish, sea urchins and small patches of coral growing on the boulders. The real highlight is the swim to Koh Man, the small island about 300 metres offshore.
The water between the beach and the island is some of the best snorkelling in Phuket, with healthy coral, clownfish in anemones and much better visibility than the beach itself. Only attempt the crossing if you are a strong swimmer. The passage crosses open water and boat traffic from Rawai passes through the area. Kayaks are available for rent at about 100 Baht per hour if you prefer not to swim.
Best for: All levels (beach), strong swimmers (Koh Man crossing)
Marine life: Clownfish, reef fish, sea urchins, coral on rocks
Gear rental: Yes, on the beach
Facilities: Restaurants, bars, beach chairs
Merlin Beach
| Location: Between Patong and Karon |
Merlin Beach sits in front of the Marriott Phuket Resort and is one of the few beaches in Phuket with a natural reef right off the shore. The reef runs along the right side and has hard coral formations, small tropical fish and the occasional sea turtle. The hotel runs a guided snorkelling reef program for guests, but the beach is public. If you are not staying at the hotel, there is a small road on the left side that leads down to the sand. The water is not ideal for regular swimming because of the reef, but that is exactly what makes it good for snorkelling. Morning visits offer the calmest water.
Best for: All levels, families
Marine life: Hard coral, tropical fish, sea turtles (occasional)
Gear rental: Through the hotel only
Facilities: Hotel restaurant, massage nearby
Banana Beach
| Location: Northwest coast, near airport |
Banana Beach is one of the least known beaches in Phuket, on the northwest coast near the airport. It takes some effort to find, but the reward is clear water and very few people. The beach is about 800 metres long with rocky areas on both ends that shelter small reef fish and colourful coral patches. The southern end tends to have better visibility. A small restaurant on the beach serves basic Thai food, and longtail boats can take you to nearby spots. Bring your own snorkelling gear as there is no rental available.
Best for: All levels, anyone wanting a quiet spot
Marine life: Small reef fish, coral on rocks
Gear rental: No, bring your own
Facilities: One restaurant, longtail boats
Laem Singh Beach
| Location: Between Kamala and Surin |
Laem Singh sits between Kamala Beach and Surin Beach and used to be one of the most popular beaches in Phuket. Access was restricted for several years, but there is now a way to reach it again. The southern headland has excellent snorkelling with large boulders underwater, creating hiding spots for schools of fish. Because the beach sees far fewer visitors than before, the marine life has had time to recover. The water is usually clear and calm during high season. Read here how to access this beach.
Best for: Confident swimmers
Marine life: Reef fish, rock formations with a good variety
Gear rental: Limited, bring your own
Facilities: One restaurant
Kata Beach and Kata Noi Beach
| Location: West coast, south |
The north end of Kata Beach has a rocky area that shelters a good variety of reef fish, including parrotfish, sergeant majors and the occasional triggerfish. A small island called Koh Poo (Crab Island) sits just off the northern headland and offers even better snorkelling if you hire a longtail boat (around 1,500 Baht per hour) or are a confident swimmer.
Kata Noi, the smaller beach just to the south, has rocky areas on both ends with shallow reefs and bright turquoise water. Visibility at Kata Noi is often best around midday. Be aware of longtail boats and jet skis at Kata, especially near the reef areas. Both beaches are only good for snorkelling from November to April. During the monsoon, the waves make it too rough.
Best for: Beginners (beach), intermediate (Koh Poo island)
Marine life: Parrotfish, sergeant majors, triggerfish, coral on rocks
Gear rental: Yes, on both beaches
Facilities: Beach chairs, restaurants, massage
Nai Thon Beach
| Location: Northwest coast |
Nai Thon Beach is on the northwest coast, far from the main tourist areas, which keeps it quiet. The southern end has a rocky area with enough underwater terrain to spot small fish and some coral. It is not the most spectacular snorkelling in Phuket, but the water is usually calm, and the beach is beautiful.
A good choice for a relaxed session if you are already in the area (it is close to the airport and Mai Khao Beach). The northern end is sandier and better for swimming than snorkelling.
Best for: Beginners, families
Marine life: Small fish, limited coral
Gear rental: Sometimes available, better to bring your own
Facilities: Restaurants, massage, beach chairs
Freedom Beach
| Location: Southwest of Patong |
Freedom Beach is about 4 km southwest of Patong and is one of the quieter snorkelling spots because it is harder to reach. The easiest way is by longtail boat from the south end of Patong (about 10 minutes, negotiate the price). There is also a steep road down from the hilltop, but you need to be fit to walk back up.
Both ends of the beach have rocky areas with reef fish, and the water is noticeably clearer than nearby Patong because there are no jet skis or large boats. The beach is only fully open during high season (November to April), when restaurants and bars set up on the sand.
Best for: All levels
Marine life: Reef fish at both ends, clearer water than most west coast beaches
Gear rental: Sometimes available during high season
Facilities: Restaurants, chairs, and massage (high season only)
Paradise Beach
| Location: Southwest of Patong |
Paradise Beach is a small double beach about 5 km southwest of Patong, managed by a beach club that charges an entrance fee (usually around 100 Baht). There is a coral reef about 100 metres offshore with brain coral and schools of small fish. The beach faces northeast, which means it can be calm even when the west coast beaches have waves during the monsoon.
That makes it one of the few spots that work outside of high season. It does get busy during peak months, especially in the afternoons when tour groups arrive. Go early for the best experience. Jet skis are not allowed near the beach, which helps keep the water clear.
Best for: Beginners, families
Marine life: Brain coral, schools of small fish
Gear rental: Yes, through the beach club
Facilities: Restaurants, bars, massage, beach chairs, kayaks
Insider Tips for Snorkelling in Phuket
After years of snorkelling around Phuket and sending visiting friends out to the best spots, a few things make a real difference. The best underwater life is always at the edges. Swim to where the rocks meet the sand, that is where the fish are. The middle of a sandy bay has almost nothing to see.
Bring your own mask and snorkel. Rental gear at the beaches is often scratched, foggy or leaking. A decent mask costs 500 to 800 Baht at any Decathlon or Big C in Phuket. It pays for itself after two uses compared to renting.
Go in the morning. By early afternoon, the wind picks up on most west coast beaches and the water gets choppy. The difference in visibility between 9 am and 2 pm can be dramatic. Mornings are also when the fish are most active.
If you only have time for one snorkelling trip, take a boat to the islands. Coral Island is the easiest (15 minutes from Rawai, calm water, suitable for children). The Similan Islands are the best but require a full-day trip. Shore snorkelling on Phuket itself is decent but cannot compare to what you will see offshore.
Watch out for sea urchins. The black spiny ones are common on rocky bottoms at Ao Sane, Ya Nui and Kata. Wear reef shoes or fins, and do not stand on the rocks. Stepping on a sea urchin is painful and can ruin your holiday.
Check the flag system at west coast beaches. Red flags mean no swimming, and that includes no snorkelling. Currents on the west coast during shoulder months can pull strong swimmers out quickly. Respect the flags, the lifeguards know what they are doing.
The monsoon season (May to October) shuts down most west coast snorkelling. The one exception is Paradise Beach, which faces northeast and stays calmer than the rest. If you are visiting in low season and want to snorkel, take a boat trip to Coral Island or check Paradise Beach conditions.
Use reef-safe sunscreen. Regular sunscreen contains oxybenzone and octinoxate, which damage coral. Reef-safe versions are available at Boots, Watsons and most good pharmacies in Phuket. Apply 30 minutes before entering the water so it absorbs before you swim.
Don’t feed the fish. You will see boat operators handing out bread to customers to attract fish. This disrupts natural behaviour and damages coral ecosystems. The good operators no longer do this.
Map of Phuket Snorkelling Beaches
This story was first published on June 6, 2016
