The Renaissance Koh Samui Resort & Spa is an upscale Marriott Bonvoy beachfront property perched on the Laem Nan peninsula at the southern end of Lamai Beach, on Ko Samui's southeast coast. Independent reviewers describe a low-density, village-like layout of walled gardens and private villas, many with plunge pools, four-poster beds draped in mosquito netting and generous open-plan living space. Guests consistently praise the warm, attentive Thai service, strong elite recognition for Bonvoy members (breakfast and villa upgrades reported), a small but scenic boulder-framed beach with good sunset views, and the tranquil setting. Dining draws favourable notes across Banana Leaf (all-day and buffet), the seafood-focused tawaNN and beachside barbecues, with breakfast singled out for quality and variety. The Quan Spa, a 50-metre lap pool and a beachfront pool round out the facilities. Watch-outs recur in the coverage: the property shows its age in places, with dated in-room technology (few bedside outlets, no master switch), villa furniture wear, mosquitoes near plunge pools, a large tidal range that limits swimming for much of the day, and a second pool that feels underused. Limited shuttle service is also noted. Overall it reads as a relaxed, characterful villa resort that trades polish for privacy and hospitality.