Anantara Siam Bangkok Hotel

Bangkok, Thailand

9.7 Superior Luxury

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We recommend booking a stay with free cancellation in case your plans change.

A1O
Deluxe room, 1 King bed, at Anantara Siam Bangkok Hotel
Room Image Coming Soon

Deluxe room, 1 King bed

  • Deluxe room 42 Square Meters King thai contemporary thai charm newly renovated

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $372 /nt
$1,312 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $316 /nt
$1,115 for 3 nights
including taxes & fees
Price breakdown

BEST FLEXIBLE RATE

You have until August 25, 2026 to cancel this reservation without penalty.

USD $341 /nt
$1,204 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $316 /nt
$1,115 for 3 nights
including taxes & fees
Price breakdown

A2O
Deluxe room, 1 Twin bed, at Anantara Siam Bangkok Hotel
Room Image Coming Soon

Deluxe room, 1 Twin bed

  • Deluxe room 42 Square Meters twn contemporary thai charm newly renovated

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $372 /nt
$1,312 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $316 /nt
$1,115 for 3 nights
including taxes & fees
Price breakdown

BEST FLEXIBLE RATE

You have until August 25, 2026 to cancel this reservation without penalty.

USD $341 /nt
$1,204 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $316 /nt
$1,115 for 3 nights
including taxes & fees
Price breakdown

AA1
1 King bed, at Anantara Siam Bangkok Hotel
Room Image Coming Soon

1 King bed

  • Siam room 42 Square Meters King refined amenities and details newly renovated

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $394 /nt
$1,389 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $335 /nt
$1,181 for 3 nights
including taxes & fees
Price breakdown

BEST FLEXIBLE RATE

You have until August 25, 2026 to cancel this reservation without penalty.

USD $363 /nt
$1,281 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $335 /nt
$1,181 for 3 nights
including taxes & fees
Price breakdown

AA2
1 Twin bed, at Anantara Siam Bangkok Hotel
Room Image Coming Soon

1 Twin bed

  • Siam room 42 Square Meters twn refined amenities details newly renovated

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $394 /nt
$1,389 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $335 /nt
$1,181 for 3 nights
including taxes & fees
Price breakdown

BEST FLEXIBLE RATE

You have until August 25, 2026 to cancel this reservation without penalty.

USD $363 /nt
$1,281 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $335 /nt
$1,181 for 3 nights
including taxes & fees
Price breakdown

D1K
Executive room, 1 King bed, at Anantara Siam Bangkok Hotel
Room Image Coming Soon

Executive room, 1 King bed

  • Kasara executive room 42 Square Meters King modern thai style exe lounge newly renovate

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $515 /nt
$1,818 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $438 /nt
$1,545 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $438 /nt
$1,545 for 3 nights
including taxes & fees
Price breakdown

D22
Executive room, 1 Twin bed, at Anantara Siam Bangkok Hotel
Room Image Coming Soon

Executive room, 1 Twin bed

  • Kasara executive room 42 Square Meters twn modern thai style exe lounge newly renovated

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $515 /nt
$1,818 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $438 /nt
$1,545 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $438 /nt
$1,545 for 3 nights
including taxes & fees
Price breakdown

SL2
Suite, 1 Twin bed, at Anantara Siam Bangkok Hotel
Room Image Coming Soon

Suite, 1 Twin bed

  • Anantara suite 84 Square Meters twn signature one bedroom suite experience

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $859 /nt
$3,032 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $730 /nt
$2,577 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $730 /nt
$2,577 for 3 nights
including taxes & fees
Price breakdown

SL1
Suite, 1 King bed, at Anantara Siam Bangkok Hotel
Room Image Coming Soon

Suite, 1 King bed

  • Anantara suite 84 Square Meters King signature one bedroom suite experience

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $859 /nt
$3,032 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $730 /nt
$2,577 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $730 /nt
$2,577 for 3 nights
including taxes & fees
Price breakdown

V1K
Villa, 1 King bed, at Anantara Siam Bangkok Hotel
Room Image Coming Soon

Villa, 1 King bed

  • Garden pool villa 104 Square Meters King private pool villa experience in bangkok
  • Private pool

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $1,466 /nt
$5,176 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $1,246 /nt
$4,399 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $1,246 /nt
$4,399 for 3 nights
including taxes & fees
Price breakdown

V3K
Villa, 1 King bed, 1 Twin bed, at Anantara Siam Bangkok Hotel
Room Image Coming Soon

Villa, 1 King bed, 1 Twin bed

  • Two bedroom garden pool villa 129 Square Meters King twn private pool villa in the heart of bangkok
  • Private pool

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $2,138 /nt
$7,547 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $1,817 /nt
$6,415 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $1,817 /nt
$6,415 for 3 nights
including taxes & fees
Price breakdown

P3K
Two Bedroom Jim Thompson Explorer Suite, at Anantara Siam Bangkok Hotel

Two Bedroom Jim Thompson Explorer Suite

  • This sumptuous two bedroom suite reminisces a Thai summer home, with tongue and groove ceilings, painted panelled walls and polished teak floors lending a colonial backdrop to the beautiful furniture, fabrics and artwork. Entertain in the open plan living and dining room. Enjoy refreshments from your mini bar, which is replenished free of charge on a daily basis. Relax in the office library, designed with hardwood floors, an ample lounge and oversized writing desk. Luxuriate in two spacious marble bathrooms, each featuring a deep soaking tub and separate glass enclosed rain shower, with your guests enjoying their own powder room
  • 198 square metres
  • Located on 8th floor of Montathip Court
  • Panoramic view of the Royal Bangkok Sports Club

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $2,962 /nt
$10,458 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $2,518 /nt
$8,890 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $2,518 /nt
$8,890 for 3 nights
including taxes & fees
Price breakdown

P1K
Anantara Presidential Suite, at Anantara Siam Bangkok Hotel

Anantara Presidential Suite

  • The Presidential Suite is uniquely designed with contemporary and antique artwork, locally designed woven carpets and elegant Thai silk. Sleep in a master bedroom that offers a separate dressing room, massage suite, deep soaking tub and whirlpool. A superb suite for entertaining, enjoy hosting a gathering for up to 18 guests in the oversized living space. Share dinner with a party of 12 in the private dining room. Sip complimentary beverages from your min-bar, refilled daily
  • 344 square metres
  • Located on 9th floor
  • Outdoor pool and landscaped garden view

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

You have until August 25, 2026 to cancel this reservation without penalty.

USD $6,138 /nt
$21,671 for 3 nights
including taxes & fees
Price breakdown

  • • Full Breakfast for each guest daily
  • • $100 USD (THB equivalent) Hotel Credit to be utilized during stay (not combinable, not valid on room rate, no cash value if not redeemed in full)
  • • Upgrade (based on availability)

Reservation is non-refundable; no cancelation without penalty.

USD $5,217 /nt
$18,420 for 3 nights
including taxes & fees
Price breakdown

STAY LONGER WITH BREAKFAST

Breakfast Included Reservation is non-refundable; no cancelation without penalty.

USD $5,217 /nt
$18,420 for 3 nights
including taxes & fees
Price breakdown

Please note: room photos and descriptions are representative of the room category. Actual rooms may vary from what is shown. Upgrades, early check-in, and late check-out are based on availability. Information and pricing is subject to change without notice. While we do our very best to ensure that information appearing in this website is complete and accurate, we cannot be responsible for incomplete and inaccurate representations, which may or may not be under our control. Rates are quoted in USD, based on double occupancy, and are per room, per night, and include any free nights or other discounts, unless otherwise specified. Additional guests in the room, children, roll-away beds, and incidental charges may be at an additional cost.

About the Hotel

Anantara Siam Bangkok Hotel offers discerning travellers a prestigious retreat to enjoy life's finer pleasures and engage in soulful, original journeys. Strategically situated in the heart of the city, Anantara Siam Bangkok offers easy access for exploring everything Bangkok has to offer, whether you're staying with us for business, shopping, cultural sightseeing or a cruise on the Chao Phraya River. Located in the heart of the Ratchaprasong shopping and entertainment district, our luxury urban retreat is just adjacent to BTS sky train Ratchadamri station and one kilometre from the subway, connecting you to the entire city with ease.

Location

Anantara Siam Bangkok Hotel
155 Rajadamri Road
Bangkok, Thailand 10330

Nearest Airport: BKK

Features and Amenities

  • General Information
  • Non-Smoking Property
  • Dining
  • Pool Bar
  • Bar & Lounge
  • Restaurants
  • On-Site Amenities
  • Concierge
  • Pool
  • Shoe Shine Service
  • Spa on Property
  • Laundry Service
  • Fitness Center
  • WiFi
  • Currency Exchange Service
  • Sauna
  • Butler Service
  • 24-Hour Front Desk
  • Hot Tub
  • In-Room Amenities
  • Air Conditioning
  • In-Room Safes
  • Mini Bar
  • Flat-Screen Televisions
  • Blackout Curtains
  • Business
  • Business Center/Services
  • Meeting Rooms
  • Conference Facilities
  • Family
  • Babysitting
  • Kids Club
  • Children's Menus
  • Play Area
  • Children's Programs
  • Interests
  • City
  • Hotels
  • Signature Perks

Reviews for Anantara Siam Bangkok Hotel

An oasis in the centre of Bangkok

TripAdvisor Traveler Review Rating Reviewed 1 week ago

This hotel is truly an oasis in the centre of busy and noisy Capital Bangkok. Once you step inside, it will give you a very peaceful and calming feeling that is hard to find anywhere else in BKK. Since I was looking for a restaurant, the concierge Mr. Buoy was so dedicated and went extra miles just to give me the assistance. Really appreciated and he is truly the gem of Anantara Siam. Hard to find a person like this across the hotels that I have stayed in many countries. Last but not least, it will be great if the PressReader app of your hotel can add the New York Times like Kempinski hotel. I believe NYT is a very popular paper not only to me but also other foreign guests.

Dqminh89 - Ho Chi Minh City, Vietnam


Excelent Hotel

TripAdvisor Traveler Review Rating Reviewed 2 weeks ago

The hotel is very well located with service very good as expected. Room, breakfast and cleanliness are excellent.

Nuno A - Estoril, Portugal


Excellent Breakfast and Outstanding Service from Khun Pipker

TripAdvisor Traveler Review Rating Reviewed 2 weeks ago

I often come here to enjoy breakfast, and it’s always a great experience. The breakfast selection is excellent with a wide variety of choices. The service is also outstanding, especially from Khun Pipker. I remember seeing him when he was a waiter, and now he seems to have been promoted to Supervisor—I noticed his uniform has changed. I can honestly say he is a star of the hotel. His wonderful service impressed us so much that we wanted to write this review to compliment him. Keep up the great work, Khun Pipker! We will definitely come back again. Thank you.

Suzanna_V69 - Bangkok, Thailand


Sanctuary in Rachadamri

TripAdvisor Traveler Review Rating Reviewed 2 weeks ago

Specious suite was clean and well-appointed. There are many great dining options. Madison restaurant is one of the best steakhouses in Bangkok.

Petch A - Bangkok, Thailand


The hotel felt more like a smelly and noisy construction zone than luxury hotel, making our stay uncomfortable.

TripAdvisor Traveler Review Rating Reviewed 3 weeks ago

disappointment regarding my recent stay. My wife and I have been loyal patrons of this hotel for over 8 years, staying 5 times in 2024 and 4 times in 2025. We even traveled from Sydney, Australia, because of our love for this brand. However, our recent experience has left us questioning that loyalty. ​First, the ongoing renovation has been handled poorly. Although I was informed the work would conclude by late February, the excessive noise and dust significantly disrupted our stay. More alarmingly, there was a serious safety lapse: my wife nearly collided with an electrical maintenance team while exiting the elevator at night. There were no warning signs or safety barriers in place. This was a dangerous situation that could have resulted in a severe injury. ​Furthermore, it is disheartening to see that despite the inconvenience caused by the construction, the Titanium member benefits have actually been reduced. Compared to other loyalty programs like ALL (Accor Live Limitless) or Marriott Bonvoy, the perks here no longer feel rewarding. ​As long-time supporters who cherished this hotel, we are extremely saddened to say that we no longer feel welcomed or valued. At this point, we have no desire to return.

ericyunlee


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