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anantara ·minor_hotels
Anantara Siam Bangkok Hotel
155 Rajadamri Road, Lumphini, Pathum Wan, Bangkok 10330, Thailand
Lowest upcoming
$132
25 Aug 2026
Highest upcoming
$1,047
31 Dec 2026
Median nightly
$263
across 365 upcoming days
Cheapest week
23 to 29 Jul
23% below annual median
Daily price line
Upcoming nightly rates
Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May MonTueWedThuFriSatSun
Cheaper More expensive
Cheapest week ahead: 23–29 Jul 2026
at $203/night
(23% below median)
Review
Forbes ★★★★☆ 4-Star
Condé Nast Readers' Choice 2023 · 2020 · 2019 · 2018
Character and identity
Set on Rajadamri Road in the Ratchaprasong shopping district, with the BTS Ratchadamri station at the doorstep, this 354-room flagship occupies a building with deep Bangkok hotel pedigree (Peninsula, Regent, Four Seasons before Anantara took it on in 2015). The mood is grand contemporary Thai: an ornate lobby with a sweeping staircase, teak furnishings, Jim Thompson silks, and white marble bathrooms across nine floors. Eight dining outlets span Shintaro (Japanese), Spice Market (Thai), Biscotti (Italian), Madison (steak and seafood), and a Sunday Brunch that pulls in Bangkok society. A second-floor spa with seven treatment rooms anchors the wellness side.
Who's it for
Best for:
Couples and families who want a polished, full-service city base with serious food credentials and easy Skytrain access to shopping and sightseeing. It suits Anantara loyalists, first-time Thailand visitors doing the Bangkok-then-beach circuit, and anyone who values a proper spa, a large outdoor pool, and a kids' club in the middle of town.
Should look elsewhere:
Travellers seeking a quiet, intimate boutique stay will find the scale and central-Bangkok bustle overwhelming. Design minimalists may find the lobby and public areas too ornate, and anyone wanting a riverside setting should book on the Chao Phraya instead.
Bottom line
The defining draw here is the breadth of the operation: eight restaurants, a substantial spa, an Olympic-size pool, a kids' club, and a Skytrain link, all run at a consistent four-star register. Book a suite (the Jim Thompson Explorer or Presidential if budget allows) to get the full sense of the Thai-summer-house design, and time a stay around Sunday Brunch.
Images
Location
155 Rajadamri Road, Lumphini, Pathum Wan, Bangkok 10330, Thailand
Bangkok, Thailand · 13.7409° N, 100.5400° E
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Amenities
24-hour room service
Babysitting services
Bar
Gym
Meeting rooms
Pet friendly
Restaurants
Spa
Wi-Fi
Wi-Fi in public areas
Restaurant
Buffet dinner
Practical info
Website
Phone