Koh Larn, known as Coral Island, sits 7 kilometres off the Pattaya coast in the Gulf of Thailand and offers a complete contrast to the mainland: white sand, turquoise water, coral reefs, and a pace of life dictated by ferry timetables rather than traffic. With six beaches spread across a compact 5.6 square kilometre island, it works equally well as a day trip or an overnight stay for travellers who want to wake up to something quieter than central Pattaya.
Located in Pattaya, Thailand
Koh Larn is the island counterpart to Pattaya's beach strip: close enough to reach in under an hour by ferry, different enough to feel like a genuine escape. The water is cleaner, the sand is whiter, and the noise levels drop the moment you step off the boat.
Koh Larn sits approximately 7 to 7.5 kilometres southeast of Pattaya's southern tip, roughly 45 minutes by public ferry and 20 minutes by speedboat from Bali Hai Pier. The island itself is compact: about 4 kilometres north to south and 2 kilometres east to west, roughly 8 square kilometres in total. Two villages, Ban Ko Lan and Ban Krok Makhan, anchor daily life in the interior, while the island's six beaches ring the coastline like separate destinations, each with its own character and crowd profile.
The island has two main piers. Ferries from Bali Hai Pier dock at the main Na Ban pier on the island's northeastern side, which is the closest point to the village centre. A second pier serves some speedboat services and connects to Tawaen Beach, the largest and most developed of the six beaches. From the pier area, songthaew trucks and motorbike taxis provide the main way to reach beaches on other parts of the island, since the interior road climbs over forested hills that are not practical to walk in 30-degree heat.
To understand Koh Larn's position in the wider Pattaya picture, it helps to know where you're coming from. Walking Street and the South Pattaya waterfront are the closest mainland points, and Bali Hai Pier sits at their eastern end. Most visitors to Koh Larn begin their day at the pier before sunrise crowds arrive. Nearby islands Ko Sak (0.6 km to the north, with a horseshoe bay) and Ko Krok (2 km to the east) are visible from Koh Larn's beaches and are sometimes included in speedboat day-trip circuits.
Early mornings on Koh Larn belong to the island's 7,000 or so permanent residents. Before the first mainland ferry docks, the village lanes around Ban Ko Lan are quiet, with fishing boats returning and small food stalls opening along the main road. The air smells of salt and diesel from the boats, and the light at this hour cuts sharp across the palm canopy. Roosters are a reliable alarm clock.
By mid-morning, Tawaen Beach transforms completely. It is the widest, most accessible beach on the island, and it absorbs the largest share of the day-trip crowd. Sun loungers fill quickly, jet skis begin their circuits, and vendors move along the shoreline. The noise is real: parasailing boats, music from beach bars, and the general sound of a few thousand people enjoying themselves simultaneously. If this is not the atmosphere you're looking for, the island rewards those willing to travel a little further.
Samae Beach on the western side is noticeably calmer: 530 metres of sand facing the open Gulf, with solar panels visible on the hillside above, reflecting the island's partial self-sufficiency. Nual Beach at the southern tip is smaller still at around 250 metres, accessible by a short but steep road, and consistently attracts snorkellers over sunbathers. In the afternoon, when the day-trip boats start heading back, Nual and Samae take on an almost deserted quality that would be hard to find anywhere on the Pattaya mainland.
The island's interior has a Buddhist shrine perched at the highest point, approximately 180 metres above sea level, reachable on foot or by motorbike. From this elevation, views extend across the Gulf toward the Pattaya skyline and to the smaller satellite islands. The forested hillsides between beaches show what this coast looked like before concrete arrived on the mainland.
ℹ️ Good to know
Koh Larn officially operates as a day-trip destination from 8 AM to 5 PM, though overnight stays are available at guesthouses and small hotels near the village and beaches. No entry fee is charged upon arrival to the island.
The beaches are the primary draw, and no two are identical. Tawaen is for people who want full-service beach amenities: rentable sunbeds, showers, food stalls, and every water sport available. Samae suits families and those who prefer shade and a slower tempo. Nual Beach is the default choice for underwater activity. The coral around Nual's southern point is among the healthiest accessible from shore on the island, and snorkel gear rentals are available directly on the beach.
Water sports across the island include jet skiing, parasailing, banana boat rides, and glass-bottom boat tours of the surrounding reef. For a more structured underwater experience, snorkelling tours around Koh Larn typically cover multiple reef points that are not reachable from the beach alone, and can be arranged through operators at Tawaen or through mainland tour desks before departure.
For travellers who want to see Koh Larn as part of a broader island itinerary, the full range of Koh Larn beaches can be covered in a single day with good planning, moving from Tawaen in the morning to the quieter western and southern beaches by early afternoon, when the crowds start thinning. Renting a motorbike from the pier area is the most efficient way to do this.
💡 Local tip
Renting a motorbike at the Na Ban pier on arrival lets you reach Samae and Nual beaches before the main tour group songthaews catch up. Costs are modest and the island roads, while hilly, are short.
Food on Koh Larn is dominated by seafood, and the pricing reflects both the island setting and the captive audience. Tawaen Beach has the highest concentration of restaurants and food stalls, with grilled fish, prawns, squid, and crab available at beachfront tables. The quality varies, but the setting compensates for a lot. Expect to pay more here than at comparable spots on the Pattaya mainland.
The village area around Ban Ko Lan offers more practical and better-priced eating. Small Thai restaurants along the main village road serve rice and noodle dishes, som tam, and grilled chicken aimed at local residents and island staff rather than day-trippers. If you've arrived on an early ferry, breakfast here before heading to the beaches means cheaper, fresher food and a chance to see the village before the tourist tide arrives.
Samae Beach has a smaller cluster of restaurants with a slightly more relaxed atmosphere than Tawaen, and a few spots where you can order Thai dishes and cold drinks without competing with large group tables. Nual Beach has minimal infrastructure, which is part of its appeal: bring water and snacks if you plan to spend the afternoon there.
Drinking options lean heavily toward beach bars at Tawaen, where cold Chang and Singha beers are sold from coolers and permanent beach bar setups. There are no cocktail bars of note on the island; the nightlife infrastructure simply does not exist here the way it does ten kilometres away on the mainland.
All boat services to Koh Larn depart from Bali Hai Pier at the southern end of Pattaya Beach Road. The public ferry runs multiple times daily and takes approximately 45 minutes, making it the most affordable crossing option. Speedboats and chartered vessels cut that time to roughly 20 minutes but cost considerably more per person. For most travellers, the ferry is practical and comfortable enough.
From Bali Hai Pier, getting to the pier itself is straightforward. Songthaews run along Beach Road and Second Road in central and south Pattaya; a ride south to the pier area costs a flat per-person fare. From most hotels in south or central Pattaya, the pier is reachable in 10 to 20 minutes by songthaew or motorbike taxi. Grab is available in Pattaya for the mainland leg if you prefer door-to-door pickup.
Once on the island, the main transport options are songthaew trucks (shared, fixed-route to main beaches), motorbike rentals (available near the pier, practical for covering multiple beaches), and motorbike taxis. Walking between beaches is possible but genuinely demanding: the interior roads climb over a forested hill with limited shade, and in the heat of the day it is not a comfortable option for most people. The island circuit is not designed for pedestrians.
⚠️ What to skip
The last public ferry back to Bali Hai Pier departs Koh Larn in the late afternoon. Missing it means arranging a speedboat return at significantly higher cost or staying overnight. Check current departure times at the pier on arrival and set a reminder.
For travellers planning a full day on the island as part of a wider Pattaya trip, the complete guide to getting around Pattaya covers the mainland transport connections in detail, including songthaew routes to Bali Hai Pier from different parts of the city.
Staying overnight on Koh Larn is genuinely worthwhile if you want to experience the island outside of day-trip hours. With numerous hotel rooms and guesthouses across the island, there are options ranging from basic fan-cooled guesthouses in the village to small beach resorts near Tawaen and Samae. The accommodation is not luxurious by Pattaya standards, but the trade-off is access to the beaches before and after the boats arrive.
The village area near Na Ban pier is the practical choice for budget travellers: central location, close to food options, and easy access to boat departures. Beach-adjacent guesthouses near Tawaen and Samae cost more and offer direct beach access, but you're paying a premium for proximity rather than quality of facilities. There are no resort-style hotel chains on the island, and service levels reflect a small community infrastructure rather than a polished hospitality operation.
Koh Larn is a reasonable overnight base if your Pattaya schedule includes a full day of water activity without needing to return to the mainland. For travellers who want comfort and variety, staying in Pratumnak Hill or central Pattaya and doing Koh Larn as a day trip is the more common and practical arrangement. The full Pattaya accommodation guide gives a clear comparison of the mainland options alongside the island.
Koh Larn fits naturally into any Pattaya itinerary that includes more than two nights on the coast. The island is covered in detail in the Pattaya itinerary guide and is consistently recommended for families, couples, and solo travellers looking for a break from the mainland's density. The best time to visit Pattaya guide is worth consulting before you book: the November to April dry season brings calmer seas and better visibility for snorkelling, while the May to October rainy season can affect both ferry comfort and water clarity.
If Koh Larn is your first island stop but not your last, the Pattaya day trips guide covers other island options and coastal excursions from the city, including tours that combine multiple islands in a single day.
Just 7km offshore from Pattaya, Koh Larn (เกาะล้าน) packs six distinct beaches into a compact island that's 4km long and 2km wide. The water runs clear, the sand is white, and the contrast with mainland Pattaya Beach is immediate. A 30 THB ferry ride is all that separates the city's noise from something genuinely quieter.
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