Prime location
Central address at 155 Rajadamri Road.
Anantara Siam Bangkok Hotel
155 Rajadamri Road, Siam · Bangkok · TH
Anantara Hotels & Resorts
Exceptional
1,149 reviews
Smart highlights
Guest-rated
Exceptional guest ratings · 9.4/10 (1,149 reviews).
Great amenities
Features Health or beauty spa nearby · Offsite parking discounted rates available · Clubhouse.
Popular facilities
Spa & wellness
Parking
Fitness
Air conditioning
Pool
Dining
Bar
24-hour desk
About this hotel
Luxurious Thai Retreat
Thai-Inspired Rooms: Experience Thai luxury in every detail, from teak decor to Thai silk accents. Enjoy modern amenities like a flat-screen TV and DVD player.
Relaxation and Wellness: Indulge in the spa's private plunge pools and herbal tea. Stay active with fitness classes and unwind in the steam room. Families are catered to with special amenities.
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Culinary Delights: Savor Italian, Japanese, and local Thai cuisine in the hotel's 9 dining options. From Spice Market's Thai specialties to Aqua Lounge's casual dining, there's something for every palate.
Book now for an unforgettable stay at Anantara Siam Bangkok Hotel, where luxury meets convenience.
Choose your room
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What this place offers
Health or beauty spa nearby
Offsite parking discounted rates available
Clubhouse
Electric bicycle charging station
Fitness facilities (surcharge)
Parking
Non-smoking rooms
Air conditioning
Swimming pool
Restaurant
Room service
Terrace
Show all 90 amenities
Family rooms
Lift / Elevator
Luggage storage
Express check-in/check-out
Safety deposit box
Fax/photocopying
Tour desk
Ironing service
Hot tub/Jacuzzi
Massage services
Currency exchange
Squash
Concierge service
Allergy-free room
Kid meals
Kids' outdoor play equipment
Coffee Shop on site
Fruits
Spa/wellness center services
Steam room
Beauty Services
Manicure
Pedicure
Personal trainer
Staff adhere to local safety protocols
Guest rooms disinfected between stays
Cleaning standards that are effective against Coronavirus
Physical distancing rules followed
Hand sanitizer in guest room and key areas
Cashless payment available
Fire extinguishers
First aid kit available
Sanitized tableware & silverware
Invoice provided
Smoke alarms
Shared stationery like menus, pens are removed
Physical distancing in dining areas
Food delivered to guest room
CCTV outside property
Process in place to check health of guests
Screens / Barriers between staff and guests for safety
Face masks for guests available
24-hour security
Delivered food - securely covered
Security alarm
Thermometers for guests provided by property
Key card access
Mobile app for room service
Happy hour
Cooking class
Supervised childcare/activities
ATM/banking
Television in common areas
Front desk (limited hours)
Express check-in
Free wired internet
Snack bar/deli
Self parking (surcharge)
Airport transportation - pickup (surcharge)
Airport transportation - drop-off (surcharge)
Free pool cabanas
Offsite parking discounted rates available
Beach yoga on site
Fitness facilities (surcharge)
Internet access
Housekeeping on request
Clubhouse
Wine release events
Reception hall
Exercise/lap pool
Japanese garden
Secured parking
Garage
Health or beauty spa nearby
Swimming nearby
Electric bicycle charging station
Accessible train station shuttle
No accessible train station shuttle
Guest reviews
Cleanliness8.7
Service10.0
Location9.2
Room Quality8.7
Amenities9.7
Value for Money8.7
Food and Beverage10.0
Overall Experience10.0
Guests loved
Excellent serviceHigh-quality food
Could be better
Overpriced airport pickupDated room design
Guest reviews
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Location
155 Rajadamri Road, Siam, Bangkok, TH
Hotel policies
Check-in
From 03:00 PM
Check-out
Until 12:00 PM
Cancellation
Free cancellation on most rates. Policy confirmed at booking.
Payment
Secure payment via our provider. Pay now or at the hotel, depending on rate.
Internet
WiFi is available in all areas and is free of charge.
Pets
Pets are not allowed.
Parking
Free private parking is possible at a location nearby (reservation is not needed).
Children & extra beds
Children of any age are allowed. Children up to and including 3 years old stay for free when using an available cot. People 4 years old and over stay for THB 2,354 per person per night when using an available extra bed. Any type of extra bed or child's cot/crib is upon request and needs to be confirmed by management. Supplements are not calculated automatically in the total costs and will have to be paid for separately during your stay.
See full policy details
- Please note the name on the credit card used for the booking should correspond to the guest staying at the property. Please be informed that for children under 12 years staying free of charge with existing beds, breakfast is not included. Please note that the maximum number of extra beds in a room is 1. The fees for the extra bed are as follows: - Without breakfast: THB 2118 per bed, per person, per night - With breakfast: THB 2590 per bed, per person, per night Please note Anantara Siam Bangkok Hotel is pleased to share a series of exciting transformation works taking place from June 2025 through the end of June 2026, as we shape the next chapter of Anantara Siam and further elevate the overall guest experience. Additional upgrades are currently underway at the Kasara Executive Lounge, Garden Terrace Rooms, and Meeting Rooms. These spaces will reopen once improvements are completed, with some areas potentially becoming available ahead of schedule. By March 2026, guests can look forward to beautifully refreshed rooms in the Montathip and Kannika Courts, an enhanced Kasara Executive Lounge, a revitalized Kids’ Club, and upgraded fitness and recreational facilities — all part of our continued commitment to exceptional comfort and memorable stays in the heart of Bangkok.The property will be undergoing renovations from 2025-06-01 until 2026-06-30. During this period, guests may experience some noise or light disturbances, and some hotel facilities and services may not be available. A deposit may be required at the property.
Frequently asked questions
What are the check-in and check-out times at Anantara Siam Bangkok Hotel?
At Anantara Siam Bangkok Hotel, check-in is from 03:00 PM and check-out is until 12:00 PM.
Does Anantara Siam Bangkok Hotel allow pets?
No — pets are not allowed at Anantara Siam Bangkok Hotel.
Is parking available at Anantara Siam Bangkok Hotel?
Yes — free parking is available at Anantara Siam Bangkok Hotel.
What is the children and extra bed policy at Anantara Siam Bangkok Hotel?
Children of any age are allowed. Children up to and including 3 years old stay for free when using an available cot. People 4 years old and over stay for THB 2,354 per person per night when using an available extra bed. Any type of extra bed or child's cot/crib is upon request and needs to be confirmed by management. Supplements are not calculated automatically in the total costs and will have to be paid for separately during your stay.
Where is Anantara Siam Bangkok Hotel located?
Anantara Siam Bangkok Hotel is located at 155 Rajadamri Road, Siam, Bangkok, TH.
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