Samui’s beaches each suit a different trip.
Chaweng — best for nightlife & convenience
The main beach with the most hotels, dining and bars.
Lamai — best all-rounder
A lively but calmer second beach, good value.
Bophut / Fisherman’s Village — best for boutique & charm
Characterful old-village streets, boutique hotels and good restaurants.
Maenam — best for quiet & families
A long, peaceful beach popular with families and longer stays.
Choeng Mon — best for couples & calm
A quieter cove near the airport with upscale resorts.
See also: the full Koh Samui travel guide.