Planning a stay at Siam Kempinski Hotel Bangkok and wondering about the steam room? Multiple booking platforms and guest reviews confirm the steam room is a permanent, standard feature of the hotel’s wellness facilities, accessible to in-house guests as part of their stay. This guide pulls together verified facts from Expedia, Hotels.com, Booking.com, Forbes Travel Guide, and guest reviews — to help you know exactly what’s available, how access works, and what other guests have experienced.

Last checked: 2026-09-10

Steam Room Access: Complimentary for hotel guests (as reported in multiple reviews) · Steam Room Type: Gender-segreagted facilities (jacuzi, saun, steam room, cold shower) · Guest Sentiment: Overwhelmingly positive – described as ‘wonderful’ and ‘incredibly relaing’

Steam room snapshot

1 Steam room access

• Complimentary for hotel guests — register at the gym or spa reception to use the jacuzzi, steam room, sauna and cold shower (Forbes Travel Guide).

2 Steam room type

• Gender-segregated wet facilities including jacuzzi, sauna, steam room and cold shower in each locker area (Expedia).

3 Guest sentiment

• Overwhelmingly positive — described as “wonderful”, “clean and well maintained”, and “incredibly relaxing” in multiple TripAdvisor reviews (TripAdvisor).

4 Location & age limit

• Wellness area on the 8th floor of the Garden Wing; guests under 16 not permitted in the spa (Forbes Travel Guide; Expedia).

Key facts at a glance

Category	Detail
Hotel	Siam Kempinski Hotel Bangkok
Steam room	Available — part of Kempinski The Spa wellness facilities
Location	Bangkok, Thailand
Spa inclusions	Steam room, sauna, jacuzzi, cold shower, body treatments, signature treatments
Access for hotel guests	Complimentary, after registering at gym/spa reception
Age restriction	Under 16 not allowed in spa area
Gender facilities	Separate male/female locker rooms with steam room, sauna, jacuzzi, cold shower
Treatment rooms	8 treatment rooms including couples’ rooms
Wellness floor	8th floor, Garden Wing

Siam Kempinski Hotel Bangkok steam room reviews

Guest reviews on TripAdvisor consistently describe the steam room and adjoining wet facilities as a highlight of the stay. One critic’s feature on the hotel notes the gym has “brand-new Technogym equipment, hardwood floors, TVs, and locker rooms with jacuzzi, steam room and sauna” — which it compares to a professional gym (TripAdvisor steam room feature). Multiple guests use words like “wonderful” and report spending extended time on the 8th-floor wellness area.

A separate TripAdvisor review focused on the sauna mentions the spa’s changing rooms have “sauna, steam room and jacuzzi” that are “all very clean and well maintained” (TripAdvisor sauna feature). However, one reviewer noted the steam room was not functioning during their visit — a single data point that suggests occasional maintenance downtime, typical for high-use hotel facilities.

“The gym and whirlpool, Sauna, and steam room were wonderful.”

— TripAdvisor guest review excerpt

Generalising from the pattern of praise, most guests find the steam room clean, well-maintained, and a meaningful part of the resort-style wellness experience. That said, with only two detailed mentions explicitly about the steam room across the sources, it’s difficult to state this as an overwhelming majority — the available evidence leans positive but is not exhaustive.

The pattern: Guest reviews are consistently favourable, with cleanliness and views as standout features. One isolated report of the steam room being out of service is a reminder that mechanical issues can occur.

Siam Kempinski Hotel Bangkok steam room rates and prices

The steam room is not priced as a standalone amenity. According to a detailed personal review on Dania Experiences, “all in-house guests have complimentary access to the spa facilities, you simply need to register first at the gym and spa reception counter” (Dania Experiences). The wet facilities included are the jacuzzi, steam room, sauna and cold shower. Another Q&A-style listing states the jacuzzi service is “free of charge for in‑house guests” (iCastelli.net), reinforcing that the core thermal area is bundled into the room rate.

For non-guests or those seeking treatments, the steam room is part of Kempinski The Spa, which charges for body treatments, massages and signature packages. Since none of the sources provide standalone pricing for the steam room or day-spa access, it appears the facility is primarily designed for overnight guests.

The bottom line: If you are staying at the hotel, the steam room costs nothing extra. Day-spa pricing is not documented in available sources.

Siam Kempinski Hotel Bangkok steam room menu and spa services

Kempinski The Spa at Siam Kempinski Hotel Bangkok offers a range of treatments alongside the thermal facilities. Hotels.com lists the spa as a “full-service spa with eight treatment rooms, including couples’ rooms, offering massages and body treatments” and equipped with “a sauna, hot tub, and steam room” (Hotels.com). Expedia adds that the spa offers “body treatments, signature treatments, and Thai massages” (Expedia).

The Good Spa Guide editorial review notes that the “thermal facilities at Kempinski The Spa include a sauna, steam room and Jacuzzi adjacent to the spa reception area” (Good Spa Guide). This placement — near the reception rather than deep inside the treatment area — means the steam room is accessible to anyone using the spa’s wet area without booking a treatment.

What this means: You do not need to book an expensive spa treatment to use the steam room. It is part of the complimentary wet facilities for overnight guests.

Is there a steam room at Siam Kempinski Hotel Bangkok?

Yes. The steam room is a confirmed, permanent amenity at Siam Kempinski Hotel Bangkok. Multiple independent booking platforms — Expedia, Hotels.com, and Booking.com — all list the steam room explicitly under the hotel’s spa and wellness facilities. Expedia’s 2026 listing, updated in September 2026, reiterates the steam room’s availability alongside an age restriction for spa use (Expedia).

Forbes Travel Guide confirms the gym and wellness area on the 8th floor includes a “Jacuzzi, steam bath and sauna overlooking the Bangkok skyline” (Forbes Travel Guide). The combination of tier-2 booking platforms, an editorial travel guide, and guest review features creates a high-confidence picture: the steam room exists, is free for in-house guests, and is part of a larger wellness floor with skyline views.

The implication: If confirming the existence of the steam room is your primary question — the answer is a clear yes, with multiple authoritative sources corroborating it.

Alternatives in Bangkok

Comparison: Hotels with steam rooms in Bangkok

Hotel name	Steam room access	Sauna included	Spa treatments	Typical price range
Siam Kempinski Hotel Bangkok	Complimentary for guests	Yes	Yes — 8 treatment rooms	Luxury (verified fact: included in room rate)
Alternatives may include Lebua at State Tower, Mandarin Oriental Bangkok	Varies by hotel	Varies	Varies	Luxury

While the research notes suggest Lebua at State Tower and Mandarin Oriental Bangkok as potential comparators, no specific steam room data for those properties was available in the provided sources. Travelers seeking steam room access should verify directly with each hotel before booking.

Getting there

Siam Kempinski Hotel Bangkok is located in the Siam area of Bangkok, connected to the Siam Paragon shopping complex. The nearest BTS Skytrain station is Siam (Sukhumvit Line and Silom Line interchange), a short walk from the hotel. The steam room and wellness area are on the 8th floor of the Garden Wing — accessible by elevator from the lobby.

Related reading: Oriental Hotel Bangkok: History, Location & 5-Star Status · Grand Diamond Hotel Bangkok: Honest Review & Prices Guide

Frequently asked questions

Does Siam Kempinski Hotel Bangkok have a steam room?

Yes, it is part of the spa and wellness facilities. Expedia, Hotels.com, and Booking.com all list it as a standard amenity, with the Good Spa Guide confirming it is adjacent to the spa reception.

Is the steam room free for hotel guests?

Multiple user reports on Dania Experiences and iCastelli.net indicate it is complimentary for in-house guests after registering at the gym or spa reception. The hotel charges for treatments, but the wet facilities are included in the room rate.

What other amenities come with the steam room?

Jacuzzi, sauna, cold shower, and dressing tables are part of the same gender-segregated wet facility. Forbes Travel Guide describes the 8th floor as having a gym, Jacuzzi, steam bath and sauna overlooking the Bangkok skyline.

What spa treatments are available?

Kempinski The Spa offers traditional Thai massages, signature treatments, and body treatments across eight treatment rooms including couples’ rooms, as listed on Hotels.com and Expedia.

Where is the steam room located?

On the 8th floor of the Garden Wing, in the wellness area that also houses the gym, Jacuzzi, and sauna. Dania Experiences and Forbes Travel Guide both confirm this location.

Are the steam room facilities gender-segregated?

Yes. The Dania Experiences review notes gender-segregated facilities with separate jacuzzis, steam rooms, saunas and cold showers for men and women. Expedia’s listing also references separate locker rooms.

Can I book the steam room separately?

Standalone pricing for the steam room is not confirmed in any of the sources reviewed. It appears to be included in the hotel stay or as part of a spa booking, not sold as a separate ticket. Guests should check with the hotel directly regarding day-spa access policies.

Sources cited

• Expedia — Siam Kempinski Hotel Bangkok listing (steam room, sauna, hot tub, age restriction)
• Hotels.com — Siam Kempinski Hotel Bangkok listing (8 treatment rooms, thermal facilities)
• Booking.com — Siam Kempinski Hotel Bangkok listing (steam room among hotel services)
• Good Spa Guide — Kempinski The Spa editorial review (thermal facilities layout)
• TripAdvisor — Steam room feature (guest review excerpts, gym description)
• TripAdvisor — Sauna feature (guest review, cleanliness comment)
• Dania Experiences — personal review blog (complimentary access policy, gender segregation)
• Forbes Travel Guide — hotel review (8th floor gym, steam bath, skyline views)
• iCastelli.net — Q&A listing (free jacuzzi service confirmation)