Koh Samui is the island people choose when they want Thailand without the friction. It has its own airport, real roads, a good hospital, and beaches for every mood, from the buzz of Chaweng to the near-empty sand of the southwest. After years on quieter Koh Phangan next door, we came to Samui the way you visit the big city, for the amenities, the boat trips and the change of pace, and we learned to love it on its own terms.

If you're visiting with children, go straight to our Koh Samui with kids guide. If you're choosing where to stay, our Koh Samui beaches guide walks the coast.

Why we love Koh Samui

Samui gets dismissed by travelers who think bigger means less authentic, and we were skeptical at first. Then we spent a rainy week on Phangan wanting a swimming pool, a cinema and a proper supermarket, and the ferry ride over felt like a small mercy.

The island works. You can land, get a taxi, check in, eat well and be on a beach the same afternoon. It also has genuine character once you leave the main strip. The old wooden shophouses of Fisherman's Village in Bophut, the fishing boats at Maenam, the jungle interior with its waterfalls and coconut plantations, and the temples scattered everywhere, including the enormous golden Big Buddha on its own little island connected by causeway.

What to see and do

The beaches are the headline, and our beaches guide covers them properly. Beyond the sand, the two waterfalls at Na Muang are the classic inland trip. The lower fall is the easier visit for families; water levels and safe swimming conditions change, so check locally before getting in. The upper fall is prettier but involves a steep climb, so save it for when the kids are older or hire one of the 4x4 taxis.

Boat trips are the other big draw. Ang Thong Marine Park, a scatter of limestone islands with a hidden emerald lagoon, is a day trip from Samui's piers and worth an early start. Koh Phangan sits close enough for a day trip too, and our Koh Phangan guide explains why many families do both islands in one holiday.

On land, the Big Buddha temple at Bang Rak, the mummified monk at Wat Khunaram, and the Friday night walking street in Fisherman's Village fill out a week nicely.

Where to eat and drink

Samui has the fullest eating scene in the Gulf. Every beach road has Thai restaurants and Western cafes, and the quality at the top end is genuinely good. But our favorite eating was still the cheap stuff. The night market in Nathon, the island's old main town on the west coast, turns out southern Thai food and fresh seafood every evening. Fisherman's Village walking street on Friday nights is the prettiest market setting on the island.

Southern-style curries run hotter here than in Bangkok, grilled seafood by weight at the beach restaurants is a reliable splurge, and coconut everything, since Samui's plantations supply much of the country.

When to go and how to get around

Samui's weather runs slightly differently from the Andaman side of Thailand. Samui’s drier months often run from January into the summer, while the heaviest rain tends to arrive later in the year. Conditions vary by year and coast, so check the forecast before planning boat trips. December to March is peak season, so book early.

Getting there is easy. Bangkok Airways flies direct into Samui's open-air airport from Bangkok and beyond, or you can fly to Surat Thani and take the ferry, which is cheaper but adds most of a day. On the island, songthaews circle the ring road cheaply, taxis and ride-hailing apps cover the rest, and scooters are common. With children, we would arrange a car or driver with suitable child restraints rather than rely on a scooter in Samui’s traffic.

Our Koh Samui guides

If Samui is part of a longer Thailand trip, our Bangkok guide and Chiang Mai guide cover the usual bookends of a family itinerary.