W Koh Samui is a design-forward, all-villa W Hotels resort spread across a tiered hillside above Mae Nam Beach on the island's north coast. All 74 villas come with a private outdoor pool, generous decks and bold, colour-drenched W styling; reviewers consistently single out the size and privacy of the accommodation, with entry categories still far larger than most island rivals. Independent writers praise the property's strong service and elite recognition, including reliable upgrades, early check-in and late check-out, plus the signature W energy at WOOBAR, where the nightly fire show is repeatedly called among the best on Samui. Dining spans all-day fare at The Kitchen Table and Japanese-Asian plates at Namu, and the free all-day Sweet Spot ice cream and soft-drink stations are a recurring favourite. Watch-outs are also consistent across reviews: the beach has coarse, gritty sand that is uncomfortable underfoot; the steep hillside layout means frequent reliance on buggy transfers, which can challenge guests with mobility needs; and breakfast draws mixed reviews, described as repetitive and underwhelming for the price point. Several reviewers, noting the resort opened in 2010, mention the villas are showing their age and could be due a refresh. On balance it remains a highly regarded luxury and points-redemption pick for couples and families who value space, service and scene over a picture-perfect swimming beach.