Koh Samui

December through April is the dry season on the Gulf of Thailand coast — the right time for Koh Samui. January and February offer the most reliable sunshine and calmest seas. November is unpredictable and often rainy. The worst months are September and October when Samui gets the Gulf's heaviest rainfall and seas turn rough. Unlike Krabi and Phuket (Andaman coast), Samui's wet season runs about two months later.

The fastest option is a direct flight to Samui Airport (USM), operated almost exclusively by Bangkok Airways — flights from Bangkok take about 80 minutes but tickets are pricier than budget routes. The budget route is a flight to Surat Thani then a 1-hour ferry. From Koh Phangan or Koh Tao, regular ferries and speed boats connect directly. High-speed ferries from Donsak pier (Surat Thani mainland) take about 90 minutes.

For swimming and scenery: Choeng Mon in the northeast — sheltered, calm, and less crowded than Chaweng. For lively beach energy and convenience: Chaweng. For a compromise: Lamai. Mae Nam on the north coast is best for long flat-sand walking. The west coast beaches face sunset and suit quieter stays but swimming can be shallower. Most visitors find Chaweng most convenient even if not the most beautiful.

Yes — particularly the calmer bays. Choeng Mon is the top pick for families, with shallow calm water and kid-friendly resorts. Chaweng works if you stay at a resort with a pool and use the beach in the mornings before speedboats and jet skis arrive. Ang Thong Marine Park is a great day out for children 7 and up. Avoid the Chaweng bar strip late at night with young kids.

Koh Samui is larger, better infrastructure, stronger food scene, and more upscale overall. Koh Phangan is famous for the Full Moon Party and has cheaper accommodation but less refinement. Samui's beaches are better than Phangan's main beaches, but Phangan's quieter east-coast beaches (Thong Nai Pan Noi, Thong Nai Pan Yai) are excellent. Many travelers do a few nights on each — ferry runs multiple times daily.

The Full Moon Party is a monthly overnight beach festival on Haad Rin, Koh Phangan, drawing 10,000–30,000 people depending on the month. From Koh Samui, special party boats run on Full Moon night and return in the early morning hours (400–500 THB return). Whether to go depends entirely on your tolerance for large-crowd beach raves. It's not for everyone, but it's genuinely unique.

Ang Thong is an archipelago of 42 uninhabited limestone islands about 30 km northwest of Samui. Activities include snorkeling in clear water, kayaking through sea caves and mangroves, and hiking to the saltwater emerald lake on Koh Mae Ko. Full-day tours run daily during dry season from Na Thon pier. The park entrance fee is 300 THB. Go with a tour that includes kayaking rather than just snorkeling.

Generally safe. The main risks are road accidents — scooter accidents involving tourists are one of the most common travel incidents in Thailand, and Samui's ring road has fast-moving traffic. Wear a helmet regardless of what other tourists do. The Chaweng bar strip after midnight has occasional drink-spiking incidents; watch your drinks. Rip currents on south-facing beaches during monsoon season are serious.

Budget guesthouses near Chaweng: 600–1,000 THB/night. Mid-range beach resorts: 2,000–5,000 THB/night. Boutique hotels in Bo Phut: 2,500–5,500 THB/night. Luxury pool villas: 8,000–30,000 THB/night. High season (December–February) commands a 30–50% premium over shoulder season. Choeng Mon and Mae Nam tend to be cheaper per standard of comfort than Chaweng.

Southern Thai cuisine with heavy seafood influence — tom kha goong (prawn coconut soup), pla kapong neung manao (steamed sea bass with lime and chili), pad cha (stir-fry with peppercorns and wild ginger), and curries with fresh crab. Bo Phut has the island's most refined Thai restaurants. The Chaweng Night Bazaar and the Bang Rak pier area serve good street food from 80–150 THB. Avoid tourist traps on the Chaweng beachfront charging 400 THB for pad Thai.

Yes — scooters rent for 200–300 THB/day at dozens of shops. An international driving permit is technically required; in practice it's rarely checked, but accidents with uninsured tourists are common. The ring road is 55 km and fully drivable in half a day. Key risks: traffic moves fast on the main road, roads through the interior are steep and narrow, and rain makes them slippery. Taxis are a reasonable alternative for those not confident on two wheels.

Big Buddha Temple (Wat Phra Yai) is the most visited — the 12-meter gold Buddha on a small island causeway near Bo Phut is genuinely photogenic. Wat Plai Laem nearby features an 18-armed Guanyin goddess statue over a lake. In the interior, Wat Khunaram has a preserved mummified monk in a glass cabinet — a quiet, unusual stop. All require covered shoulders and knees.

Yes, particularly if you have a scooter or hire a driver for the day. The garden sits in the forested hills in the island's center, accessible via a winding mountain road. The collection of 80+ mossy Buddhist and Hindu statues arranged in a jungle clearing has a peaceful, overgrown-temple quality. The view over the island from the ridge on the way up is remarkable. Entrance is 80 THB.

By air: 1 hour 20 minutes with Bangkok Airways from Suvarnabhumi. By budget route: budget flight to Surat Thani (75 min) then ferry/minibus (2–3 hours). By overnight train to Surat Thani + ferry: 12–14 hours but a classic journey. Most travelers fly both ways; the train-to-ferry route appeals to those who enjoy long scenic journeys without urgency.

Ang Thong Marine National Park (full day — the most popular) is the standout. Koh Phangan is 30 minutes by ferry and works as a day trip to its quieter beaches. Koh Tao, 2 hours by ferry, is worth an overnight or two for diving. The Secret Buddha Garden, Na Muang Waterfalls, and the ring road temples are all half-day options without leaving the island.

Bo Phut's Fisherman's Village is a 200-meter strip of restored Chinese shophouses along the northern bay — boutique hotels, galleries, wine bars, and Samui's best Thai restaurants. The pace is slow, the architecture is charming, and it's one of the few parts of Samui that doesn't feel purpose-built for mass tourism. The Friday night walking market (5 PM – 11 PM) draws the island's expat and food-focused tourist crowd.

They serve different purposes. Samui is primarily a beach destination — resort beaches, island hopping, diving. Bali is a culture-plus-beach destination with temples, rice terraces, surf, yoga, and nightlife in Seminyak alongside the beach towns. Samui wins on Gulf of Thailand beach resort experience; Bali wins on cultural depth, inland beauty, and variety of experience. Most Southeast Asia travelers eventually do both.

Most Western passport holders (US, UK, EU, Canada, Australia) get 30-day visa exemption on arrival. Thailand extended visa-free stays to 60 days for many nationalities in 2024 — check the current rules for your passport at the Thai embassy or consulate. Extensions are available at Samui immigration for a nominal fee. Overstaying is taken seriously; fines are 500 THB per day.

Chaweng's beachfront and the parallel strip running inland are the nightlife hub. It's genuine beach-town nightlife — beach bars, open-air clubs, fire shows, and a loud stretch that runs until 2–4 AM. It's not Ibiza, but it's lively. Ark Bar on Chaweng Beach is the best-known beach club. Bo Phut and Lamai are much quieter. Choeng Mon and Mae Nam are essentially silent after 10 PM — which many travelers prefer.