Atrium Restaurant
โรงแรม เดอะแลนด์มาร์ค กรุงเทพฯ ชั้นล็อบบี้ 138 Sukhumvit Rd, Khlong Toei, Bangkok 10110
Book the weekend brunch if you want the full picture, and bring a group of four to trigger the 50% offer the hotel runs on the website. The seafood station is the gravitational center: grilled river prawns, fresh oysters, mantis shrimp, thick-cut sashimi. Pace yourself across the seven theatres rather than loading one plate.
You take the lobby escalator up to elevated seating that looks out over Sukhumvit Road, and the room opens into an Art Deco shell that blends contemporary Thai detail with the buffet floor. Seven culinary theatres operate live, each one cooking a different cuisine in front of you rather than holding food under heat lamps.
The Atrium is the lobby-level restaurant inside The Landmark Bangkok, the 138 Sukhumvit Road hotel that has anchored this stretch of the strip for decades. The buffet was recently rebuilt around a tasting-plate format, with the kitchen pushing smaller portions out of each station so you can move across all seven without filling on the first plate.
The seafood spread is the room's headline. Grilled river prawns sized close to the palm, fresh oysters, mantis shrimp, thick-cut sashimi, crispy Peking duck, and a grill section running lamb and beef. Thai, Japanese, Chinese, and Western lines all run in parallel, and the chefs hold the live element across the full service.
Service windows: breakfast 6 to 10:30 AM daily, lunch 11:30 AM to 2:30 PM Tuesday to Friday, weekend brunch 11:45 AM to 3 PM Saturday and Sunday, dinner 6 to 10 PM Tuesday to Sunday. Build the weekend brunch in if you are choosing one visit.
The hotel runs a four-person 50% offer on the website. If you are coming as a couple, find two friends; the math turns the buffet into one of the better-value lobby spreads in the Asok-Nana corridor.