Anantara Siam Bangkok Hotel - Bangkok
Embark on an unforgettable tour through Thailand, where ancient temples meet vibrant city life and serene islands. From Bangkok’s energy to Chiang Mai’s culture, elephant sanctuaries, and tropical jungles, each day brings a new adventure. Savor world-renowned Thai cuisine, cruise floating markets, and relax on stunning beaches. Whether you seek spiritual depth or thrilling experiences, Thailand offers it all. Now’s the time to explore this exotic gem of Southeast Asia. Book your tour today.
Anantara Siam Bangkok Hotel
Bangkok 155 Rajadamri Road, Siam
No. of rooms
423
WiFi
Pool
Spa/wellness
Parking
Meals
Playground
We speak
AR JA TH ZH-CN
8.7/10
No. of rooms
423
WiFi
Pool
Spa/wellness
Parking
Meals
Playground
We speak
AR JA TH ZH-CN
8.7/10
A minute’s walk from Ratchadamri Skytrain Station, Anantara Siam Bangkok Hotel is a touch of Thai luxury in the city. The hotel features a spa, an outdoor pool and free parking.
Rooms feature elegant touches of Thai culture, offering décor made of teak and Thai silk. Grand, private bathrooms showcase elegantly carved wood furnishings. Accessible rooms are available upon request.
Anantara Siam Bangkok Hotel is a 10-minute walk from Central World Plaza and Lumpini Park. Bumrungrad International Hospital is a 12-minute drive away, while Suvarnabhumi International Airport is 16 mi away.
Anantara spa provides the option of a spa suite with a private plunge pool and complimentary herbal tea and cookies. Guests can head for the health club which has a steam room and offers fitness classes. Younger guests can look forward to treats such as bedtime milk and cookies and a range of children’s toiletries.
The hotel provides 9 restaurants and lounges including Italian cuisine and Japanese creations. Local Thai delights are featured at Spice Market while Mocha and Muffins serves a selection of cold cuts, sandwiches and fine wines. Aqua Lounge and The Terrace offer casual dining options.
The hotel day starts from hour 15:00 and ends at 12:00.
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
The fitness centre will be closed from December 5th to December 12th, 2025.
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 revitalised Kids’ Club, and upgraded fitness and recreational facilities —part of our continued commitment to exceptional comfort and memorable stays in the heart of Bangkok.The property will be going through renovation works 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.
Deluxe Room. Spacious room situated on 2nd to 6th and 8th floors, offering views of the nearby residential areas. Accessible rooms are available in this category. Elegant comforts with a Thai touch. Blending modern comforts with timeless Thai elegance, our 42 sqm rooms offer the warmth of home in a refined setting. Each room provides a serene ambiance that captures a true sense of place. After a day in the city, unwind in the marble bathroom with its deep soaking tub for the perfect retreat. ;
Suite. This spacious suite includes 1 living room, 3 separate bedrooms and 2 bathrooms with a shower and free toiletries. The suite offers air conditioning, a minibar, a coffee machine, a seating area, as well as a flat-screen TV with cable channels. The unit has 4 beds. ;
Deluxe Heritage Room. Offering free toiletries, this twindouble room includes a private bathroom with a shower, a hairdryer and slippers. The spacious twindouble room offers air conditioning, a minibar, a coffee machine, a seating area, as well as a flat-screen TV with cable channels. ;
Siam Room. Offering free toiletries, this twindouble room includes a private bathroom with a shower, a hairdryer and slippers. The spacious twindouble room offers air conditioning, a minibar, a coffee machine, a seating area and a flat-screen TV with cable channels. ;
Kasara Executive Room. Featuring free toiletries, this twindouble room includes a private bathroom with a shower, a hairdryer and slippers. The spacious twindouble room features air conditioning, a minibar, a coffee machine, a seating area and a flat-screen TV with cable channels. ;
Siam Heritage Suite. Offering free toiletries, this twindouble room includes a private bathroom with a shower, a hairdryer and slippers. The spacious twindouble room offers air conditioning, a minibar, a coffee machine, a seating area, as well as a flat-screen TV with cable channels. ;
Siam Suite. Providing free toiletries, this twindouble room includes a private bathroom with a shower, a hairdryer and slippers. The spacious twindouble room provides air conditioning, a minibar, a coffee machine, a seating area and a flat-screen TV with cable channels. ;
Anantara Suite. Providing free toiletries, this twindouble room includes a private bathroom with a shower, a hairdryer and slippers. The spacious air-conditioned twindouble room provides a flat-screen TV with cable channels, a minibar, a coffee machine and a seating area. ;
Royal Heritage Suite. Offering free toiletries, this twindouble room includes a private bathroom with a shower, a hairdryer and slippers. The spacious twindouble room offers air conditioning, a minibar, a coffee machine, a seating area and a flat-screen TV with cable channels. ;
Royal Suite. Featuring free toiletries, this twindouble room includes a private bathroom with a shower, a hairdryer and slippers. The spacious air-conditioned twindouble room features a flat-screen TV with cable channels, a minibar, a coffee machine and a seating area. ;
Garden Pool Suite. Offering free toiletries, this twindouble room includes a private bathroom with a shower, a hairdryer and slippers. The spacious air-conditioned twindouble room offers a flat-screen TV with cable channels, a minibar, a coffee machine, a seating area as well as garden views. ;
Garden Pool Villa. Offering free toiletries, this twindouble room includes a private bathroom with a shower, a hairdryer and slippers. The spacious air-conditioned twindouble room offers a flat-screen TV with cable channels, a minibar, a coffee machine, a seating area as well as garden views.
Body scrub
Fruits
Facial treatments
Free WiFi
Lift
Kid mealsadditional charge
Airport shuttle (additional charge)
Use of cleaning chemicals that are effective against Coronavirus
Cooking classadditional charge
Luggage storage
Smoke alarms
Parking
Pedicure
Fax/photocopyingadditional charge
ATM/cash machine on site
Happy houradditional charge
Hot tub/Jacuzzi
Mobile app for room service
Express check-in/check-outadditional charge
Screens or physical barriers placed between staff and guests in appropriate areas
Barber/beauty shop
Daily housekeeping
CCTV outside property
Fitness
Spa facilities
Steam room
WiFi available in all areas
Waxing services
Parking garage
Hand sanitizer in guest accommodation and key areas
Key card access
Pool bar
Meeting/banquet facilitiesadditional charge
Bar
Internet services
Kids' club
Shared stationery such as printed menus, magazines, pens, and paper removed
Restaurant
Free parking
Private parking
Airport shuttle
Terrace
Face masks for guests available
Dry cleaningadditional charge
Allergy-free room
Fitness centre
Family rooms
Designated smoking area
Room service
Airport drop offadditional charge
Snack bar
Garden
Air conditioning
Squash
Non-smoking rooms
Valet parking
Concierge service
Swimming pool
Physical distancing rules followed
Fitness/spa locker rooms
Delivered food is securely covered
Invoice provided
Staff follow all safety protocols as directed by local authorities
Massageadditional charge
Babysitting/child servicesadditional charge
Swimming pool
Spa and wellness centreadditional charge
Airport pick upadditional charge
Trouser pressadditional charge
Linens, towels and laundry washed in accordance with local authority guidelines
Kids' outdoor play equipment
Manicure
Business centreadditional charge
All plates, cutlery, glasses and other tableware have been sanitized
24-hour front desk
First aid kit available
Electric vehicle charging station
Yoga classes
Spa/wellness packages
Safety deposit box
24-hour security
Currency exchange
Laundryadditional charge
Physical distancing in dining areas
Breakfast in the room
Outdoor pool (all year)
Security alarm
Process in place to check health of guests
Outdoor pool
Beauty Services
Wine/champagneadditional charge
WiFi
Pool with view
Thermometers for guests provided by property
Guest accommodation is disinfected between stays
Tour desk
Accessible parking
CCTV in common areas
Fire extinguishers
Coffee house on site
Cashless payment available
Food can be delivered to guest accommodation
Ironing serviceadditional charge
Personal trainer
Body treatments
