Snorkeling in Pattaya

Snorkeling in Pattaya: Quick Takeaways

• The main snorkel venue is Coral Island (Koh Larn), about 7 km and a 15-minute speedboat ride from Pattaya; the public ferry from Bali Hai Pier takes about 45 minutes and costs around 30 Baht each way.

• Other good spots are Koh Sak, Koh Krok, Koh Phai (Bamboo Island) and Koh Rin, reached on full-day speedboat tours. Koh Samae San (Nemo Island) is further south inside a naval marine park, so access is permit-controlled and not on every commercial itinerary.

• A shared Coral Island day tour with lunch and transfers costs about 600 to 1,000 Baht (Rs 1,710 to 2,850); a dedicated snorkeling tour runs about 1,200 to 1,800 Baht, and a private speedboat charter about 2,500 to 4,000 Baht.

• Go November to April for calm seas and the best visibility; water stays warm at about 29 to 30 C all year.

• No swimming skill or certification needed. Life jackets are provided, so it suits families and complete beginners, unlike scuba diving.

Best Places to Snorkel in Pattaya

Almost every Pattaya snorkel trip is really an island trip, and the anchor is Coral Island (Koh Larn). A quick note that trips people up: Pattaya's Coral Island is Koh Larn, not Koh Hae. Koh Hae is Phuket's Coral Island, a different place a thousand kilometres away. Koh Larn sits about 7 km off the coast and has the easiest, most beginner-friendly coral of the group, which is why most half-day tours go straight there.

If you want quieter reefs or clearer water, the smaller islands nearby are worth the longer boat ride, and a full-day speedboat tour usually strings several together. Koh Sak and Koh Krok are calm, shallow and good for first-timers, with anemones and clownfish off the north side of Koh Krok. Koh Phai (Bamboo Island) and Koh Rin sit further out, so they get better visibility and healthier hard and soft coral. Koh Samae San, sometimes sold as Nemo Island, is the furthest south and clearest, but it sits inside the Royal Thai Navy marine park at Sattahip, so access is permit-controlled and seasonal and it is not on every Pattaya snorkel itinerary. Check that a tour actually runs there before you book it.

Best Time for Snorkeling in Pattaya

Snorkel in Pattaya between November and April, the dry season, when the Gulf of Thailand stays calm, boats run every day and the water is at its clearest. Visibility near Koh Larn is usually around 5 to 15 m and rises toward 20 m at the outer islands like Koh Rin and Koh Samae San, with November to February the clearest stretch. The water is warm all year, about 29 to 30 C, so you snorkel in just a swimsuit and rash guard. The green season from May to October still has plenty of good mornings, but afternoon storms churn up the sea and drop visibility, so book the earliest boat you can and keep a spare day in case the water is up. Whatever the month, the first boat out usually gets the flattest, clearest water.

How to Reach the Snorkeling Spots

Every trip leaves from Bali Hai Pier at the south end of Walking Street. You have two ways across to Coral Island (Koh Larn). The public ferry is the cheap, slow option: about 30 Baht each way and roughly 45 minutes, running to a fixed timetable. A speedboat is faster and more flexible at about 15 minutes each way, and it is what almost every organised snorkel tour uses, usually bundled with gear, lunch and hotel pickup. For the outer islands (Koh Sak, Koh Krok, Koh Rin, Koh Phai, Koh Samae San) a speedboat tour is the only practical choice, and the ride is 40 minutes to an hour each way.

If you are planning the crossing yourself, our Coral Island how to reach guide has the ferry timetable and pier details, and the Coral Island page covers the beaches and what else is on the island.

Snorkeling Tours and Prices in Pattaya

There are three ways to do it. The cheapest is a shared Coral Island day tour, where snorkeling is one stop among a few beach activities, with a group of 15 to 20 people, gear, lunch and hotel transfers included. A dedicated snorkeling tour costs more but spends the day at the reefs with a guide. A private speedboat charter costs the most and lets you pick the islands, the timing and how long you stay in the water, which is worth it for families or a group chasing the quiet outer reefs. Below are typical 2026 rates in both Baht and Rupees, because no rival page prices these trips in Rupees and that is the number an Indian traveller actually wants.

Rupee figures use 1 Baht to about 2.85 Rupees (August 2026) and are a guide only. Booking sites sometimes run Coral Island day tours below the figures here, so it is worth comparing a few before you pay. Shared tours usually include a mask, snorkel and life jacket, lunch and hotel pickup; a dedicated snorkel tour spends more time in the water and less on other island activities. Confirm exactly what is bundled before you book, and expect the outer-island full-day trips to sit at the top of each range.

For the operator-by-operator fare breakdown, see the snorkeling entry fees tab.

Gear, Safety and What to Expect

The big reason snorkeling beats scuba diving for a family day out is simple: you do not need to swim or train for it. You float on the surface in a life jacket, breathe through a snorkel with your face in the water, and look down at the reef. Tour operators hand out a mask, snorkel and life jacket, and the good reefs off Koh Larn are only a couple of metres deep, so children and non-swimmers can join in. Basic comfort in water still helps you relax and enjoy it more.

A few practical things make the day better. Bring reef-safe sunscreen, because you spend hours face-down under a strong sun and your back burns fast, and a rash guard or T-shirt helps even more. If you wear glasses, ask about a prescription mask or expect a blur. Keep your phone in a waterproof pouch on the boat, do not touch or stand on the coral, and follow the guide on where the currents run at the outer islands. Underwater you can expect clouds of parrotfish, angelfish and butterflyfish over the coral, and clownfish in the anemones off Koh Krok. At the clearer outer reefs you may spot the occasional sea turtle.

Sample Half-Day and Full-Day Trips

A half-day trip is the easy choice if you just want to try snorkeling. A speedboat picks you up mid-morning, runs 15 minutes to Coral Island (Koh Larn), gives you a couple of stops on the shallow reefs with gear and a guide, adds a beach break with lunch, and has you back in Pattaya by mid-afternoon. It is the cheapest and most family-friendly way to do it.

A full day is better if you want the quieter, clearer reefs. The boat leaves earlier, skips past Koh Larn to the outer islands (Koh Sak, Koh Krok, then Koh Rin or Koh Phai), gives you three or four snorkel stops with more time in the water, a lunch stop on a beach, and gets you home by late afternoon. Book a morning start either way, because the sea and the visibility are both at their best before the afternoon wind picks up.

"Take the first speedboat of the day and start at Koh Sak before the tour crowds reach Koh Larn. The water is clearest in the morning, and you often get a reef to yourselves."

Plan Your Pattaya Trip

Snorkeling is best built into a full day on the water. Most trips run out to Coral Island (Koh Larn), so read up on the island first, and add scuba diving if anyone in your group wants to go deeper. Browse the wider things to do in Pattaya, and when you are ready to book, look at Bangkok Pattaya tour packages or the full range of Thailand tour packages.