Anantara Siam Bangkok Hotel
BANGKOK'S MOST PRESTIGIOUS ADDRESS
HIGHLIGHTS
- A tropical oasis in the most exclusive location
- 335 rooms and suites
- Designed with contemporary décor blends with comfortable, elegant furnishings and distinctive Thai elements, creating a luxuriously serene ambience
- Luxurious city living, plush comforts are enjoyed with views over tropical gardens, the pool or the private golf course
- Unwind at the hotel with world-class facilities and the services
Newly Renovated
Award-winning dining
Unique dining experiences
Meeting & event spaces
EV charging stations
Spa
Swimming pool
Pet friendly
Non-smoking rooms
Cribs Available
Anantara Siam Bangkok Hotel, one of the best hotels in Bangkok, combines an unrivalled location with iconic design and gracious hospitality. High chandeliered ceilings, hand-painted silk murals and lush gardens provide a feeling of sanctuary in this city that never sleeps.
Venture out and explore, with the skytrain just steps away. Wander on foot to Bangkok's most exclusive malls, just around the corner. Return for award-winning dining and unwinding at Anantara Spa.
Anantara Siam Bangkok Hotel
155 Rajadamri Road, Bangkok 10330 Thailand
Excellent
4,381
Very Good
930
Average
234
Poor
83
Terrible
74
An Exceptional Stay at Anantara Siam Bangkok
2026-11-10
2026-11-10
My stay at Anantara Siam Bangkok was absolutely wonderful, from beginning to end. Everything was exceptional, from the beautiful property and elegant atmosphere to the outstanding hospitality and attention to detail. The hotel truly delivers a luxurious experience while making guests feel genuinely welcomed and cared for. A special thank you to Pamela at Reception for her warm welcome and excellent assistance. She made the arrival experience smooth and pleasant. I would also love to acknowledge the lovely female Lobby Ambassador, whose kindness and attentiveness made such a positive impression on me. Unfortunately, I cannot recall her name, but her genuine warmth definitely deserves recognition. My sincere appreciation also goes to Khun Bee, the manager, who kindly took the time to show me around the hotel. It was a thoughtful and memorable gesture that made my stay even more special. I truly appreciated the opportunity to discover more of the property through her guidance. Beyond the beautiful facilities, what made this experience truly memorable was the people. Every interaction reflected genuine Thai hospitality, professionalism, and warmth. Thank you to the entire team at Anantara Siam Bangkok for making my stay so special. I left with wonderful memories and would absolutely love to return. Highly recommended for anyone looking for an exceptional luxury hotel experience in Bangkok!
Great experience
2026-11-10
2026-11-10
The location, the atmosphere was amazing but the most amazing was the staff with its care, hospitality and professionalism. Special thanks to Sam.
A very pleasant experience
2026-11-03
2026-11-03
They upgraded my room type for me; the room is very large, the bathroom is very large, it has a wet and dry separation, and a bidet toilet, plus a large bathtub for soaking. The amenities are very complete, the hairdryer is a Dyson brand, the bed is very comfortable, the pillows are very soft, and I slept super comfortably all night.
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ACCOMMODATION
Choose Your Sanctuary
Rooms
Rooms
The hotel’s distinct design aesthetic continues through spacious, sunlit rooms. Choose classic Thai style with hand-painted murals or a more contemporary take. Enhance your stay with Kasara privileges and views overlooking the RBSC golf course.
- 42 sqm
- Garden, cityscape, pool or golf course views
- Marble bathroom with separate tub and rain shower
Suites
Suites
Suites offer a variety of set-ups to accommodate discerning guests. Choose from open-plan, one or two bedroom suites. All suite guests enjoy Kasara privileges.
- 72 – 126 sqm
- Green garden or golf course views
- Marble bathroom with separate tub and rain shower
An exclusive fashion collection from two timeless Thai icons – Anantara and Jim Thompson. Available now at our hotels and resorts in Thailand.
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In their words
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YOUR ANANTARA JOURNEYS
Location
THE SIGHTS AND SOUNDS OF BANGKOK
Anantara Siam Bangkok Hotel
155 Rajadamri Road, Bangkok 10330
GPS:
13.7410148,100.5400074
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Explore nearby
-
- Erawan Shrine
- Trimurti Shrine
- Ganesh Shrine
- Indra Shrine
- Jatulokbal Shrine
- Lakshmi Shrine
- Narayana Shrine
- Umathevi Shrine
- Wat Pathum Wanaram
-
- CentralWorld
- Gaysorn Village
- Siam Paragon
- Amarin Plaza
- MBK Shopping Center
- Pratunam Market
- Siam Square One
- The Market
- The Platinum Fashion Mall
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- Lumpini Park
- Jim Thompson House
ANANTARA EXPERIENCES
YOUR MOST MEMORABLE MOMENTS
Special Offers
Find Your Bliss
The Ultimate Escape
From
Enjoy 25% savings on stays of four nights or more, with daily breakfast and an unforgettable escape in the heart of Bangkok.
Advance Purchase Special
From
The earlier you book, the more you save. Save up to 15% on a luxurious stay when you book seven days or more in advance.
The Urban Sanctuary Experience
From
Enjoy a two-night or longer escape in a luxury villa accommodation in the heart of Bangkok, inclusive of daily breakfast, an authentic Thai dining experience, and a refined afternoon tea journey. Enhance your wellbeing with an IV drip jet lag recovery treatment and a spa credit per night towards signature treatments.
Best Flexible Rate
From
Enjoy exceptional rates on luxurious stays with the freedom you need to change your dates when you need to.
Stay Longer Special
From
The longer you stay, the more you save. Extend your journey and luxuriate in savings of up to 20%.
AWARDS & ACCREDITATIONS
Enjoy an award-winning experience. See select accolades below.
CURATED FOR YOU
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FREQUENTLY ASKED QUESTIONS
Why is Anantara Siam Bangkok Hotel a good choice for a luxury stay?
Set in central Bangkok, this luxury hotel combines accommodation with distinctive Thai-inspired design and gracious hospitality. Guests can enjoy tropical garden surroundings, pool and golf-course views, refined dining, Anantara Spa and VIVID IV Drip Bar, creating a sophisticated stay with a strong sense of place.
Is Anantara Siam Bangkok Hotel a good choice for business travellers?
Yes. Anantara Siam Bangkok Hotel offers a Grand Ballroom, flexible meeting rooms and 17 breakout rooms, all renovated in 2026, plus Kasara Executive Lounge access for suite and villa guests. Located on Ratchadamri Road beside Ratchadamri BTS Station, it connects directly to Bangkok's Sathorn, Sukhumvit and Siam business districts.
What should guests know before arriving at the hotel?
Check-in is from 3:00 pm and check-out is until 12:00 noon. Free on-site parking is available, cats and dogs up to 10kg are welcome with one pet per room, and all rooms are non-smoking, with smoking permitted only in designated areas.
What dining experiences can guests enjoy at the hotel?
Guests at Anantara Siam Bangkok Hotel can enjoy a variety of dining experiences, including Madison, Thai cuisine at Spice Market, Japanese dishes at Shintaro, Italian favourites at Biscotti, and Guilty. Mocha & Muffins serves coffee, light bites and pastries throughout the day.
What wellness and fitness facilities are available at the hotel?
Guests can enjoy the newly renovated Anantara Spa, alongside a Technogym-equipped fitness centre, outdoor rock climbing, private Muay Thai sessions and Pilates. Wellness facilities also include a swimming pool, steam rooms and whirlpools, providing varied options for relaxation, movement and fitness throughout the stay.
Is Anantara Siam Bangkok Hotel a good place to stay near Siam?
Located on Ratchadamri Road, this luxury hotel is close to Ratchadamri BTS Station, making it easy to reach Siam and explore central Bangkok. Its location also puts guests near major shopping destinations such as Central World , offering convenient access to shopping, dining and city attractions without relying on Bangkok traffic.
Is Anantara Siam Bangkok Hotel a good choice for couples?
Couples can enjoy a luxury stay with Thai-inspired surroundings, intimate dining and tailored wellness experiences. Private dining can be arranged in settings such as a candlelit lawn or private cabana, while bespoke spa treatments provide another opportunity to relax and spend quality time together.
What types of rooms and suites are available at the hotel?
The newly renovated hotel offers spacious rooms, suites and private villas with garden, city, pool or golf-course views. Options include the 220 sqm Garden Pool Villa with a private pool and the 198 sqm Two Bedroom Jim Thompson Explorer Suite, alongside other luxury accommodations for different stays.
Is Anantara Siam Bangkok Hotel a good choice for families?
Families can enjoy a comfortable stay at Anantara Siam Bangkok Hotel, with a Kids' Club offering activities for younger guests. Spacious accommodation options include the Two Bedroom Kasara Executive Suite, Two Bedroom Royal Suite and Anantara Garden Pool Villa, alongside a swimming pool and cribs.
How far is Anantara Siam Bangkok Hotel from the airport?
Approximately 45 minutes from Suvarnnabhumi International Airport and 30 minutes from Don Mueang International Airport
Can I park a car at Anantara Siam Bangkok Hotel?
Yes. Free parking is available on site.
Is Anantara Siam Bangkok Hotel a smoking-free hotel?
At Anantara Siam Bangkok Hotel, all rooms are non-smoking rooms. Smoking is only allowed in designated areas, including those at AQUA Restaurant and BQT Terrace.