Review · BANGKOK
Bangkok: Let’s Relax Spa Sukhumvit Soi 39 E-Voucher
Bangkok is not short on massage shops, but Let’s Relax Spa Sukhumvit 39 gives you a more polished stop for both body treatments and nail care. The recently renovated branch uses soft pastel colors, Colonial Style details, and perforated patterns inspired by the Rama V and VI eras.
I like the easy Phrom Phong location, just minutes from the BTS station, and the fact that you can choose from familiar Thai massage to the spa’s signature hot stone treatment. The added nail care section also makes this useful when you want more than a massage.
The main catch is simple: the voucher does not book itself. You must call the spa at +66 02 662 6935, and the activity is non-refundable, so check your plans before paying.
Key points to know before you book

- A renovated Sukhumvit 39 branch: The spa now has a warmer Day Spa look after a full renovation.
- Several massage choices: Options include Thai massage, aromatherapy oil massage, foot massage, and hot stone massage.
- New nail services: Manicure, pedicure, gel nail polish, and paraffin treatments are available.
- Convenient Phrom Phong setting: The branch is just minutes from BTS Phrom Phong.
- A voucher, not a confirmed appointment: You must contact the spa directly to reserve a time.
- Thai-speaking service: The listed host or greeter language is Thai, and the location is wheelchair accessible.
A calmer stop in busy Sukhumvit Soi 39

Let’s Relax Spa Sukhumvit 39 is designed as a full-service place for relaxation and beauty care. That matters in Bangkok, where you may find massage shops on nearly every major street, but not all offer the same setting or range of treatments.
This branch served customers for 12 years before a full renovation. Its new design combines Colonial Style with perforated patterns drawn from the period of Rama V and Rama VI. Light and pastel colors give the rooms a softer, warmer feel than a plain walk-in massage shop.
You should not read too much into the historical design reference. This is still a modern commercial spa, not a museum or heritage building. The design simply gives the branch a more finished character and helps create the quiet mood you want before a treatment.
The location is one of its strongest practical points. The spa is just minutes from BTS Phrom Phong, making it easy to fit into a day around central Bangkok. You can schedule a treatment before dinner, after shopping, or during a break from sightseeing without planning a long trip across the city.
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Choosing between massage and nail care
The full menu covers several different needs. Thai massage is the traditional choice if you want a treatment centered on stretching and pressure rather than oils. It can suit you after a long day on your feet, though the voucher information does not describe the exact treatment method, room setup, or length.
Aromatherapy oil massage offers a gentler, more soothing direction. If you prefer a treatment with oil and a slower feel, this is the option to examine when selecting your voucher. Check the exact package details before purchase because the inclusion changes with the option you choose.
Foot massage is a practical pick after walking around Bangkok. It also makes sense if you want a shorter-feeling treatment focused on one tired area, though no treatment duration is stated in the supplied information. Do not assume that every voucher includes the same service or timing.
The signature hot stone massage is the most distinctive massage choice listed here. Heated stones add a different element from a standard Thai or foot massage, making it worth considering if you want something that feels more like a spa ritual than a basic massage. Again, confirm that your selected voucher includes it.
The new nail care section broadens the appeal. You can choose a manicure, pedicure, gel nail polish, or paraffin treatment. That makes the branch useful for a beauty appointment as well as a massage visit, especially if someone in your group wants nail care while another person prefers body treatment.
The available details do not say whether you can combine services in one voucher, so check the exact option before you pay. The phrase full-service menu describes what the spa offers, not a promise that every service comes with the $22 price.
What the renovated design adds to your visit

The setting is part of the reason to choose this branch instead of the cheapest massage room nearby. Soft colors and Colonial Style details aim for a calm Day Spa atmosphere. The perforated patterns inspired by the Rama V and VI era add visual interest without turning the room into a heavy period-themed space.
For you, the practical benefit is a more deliberate transition from city noise to treatment time. Sukhumvit can feel hectic, and a spa that pays attention to its interior gives you a better chance to settle down before the massage begins.
Still, keep expectations measured. The information does not provide details about private rooms, changing facilities, showers, refreshments, or the exact atmosphere during busy periods. I would choose this place for its stated design, treatment range, and location, not for facilities that have not been confirmed.
The branch is listed as wheelchair accessible, which is important if step-free access affects your choice. The data does not specify which parts of the building are accessible or describe restroom access, so you may want to ask when calling if you need particular arrangements.
Why BTS Phrom Phong makes this voucher useful

Phrom Phong is a practical base for a spa stop because the BTS puts the area within easy reach of central Bangkok. The spa is only minutes from the station, so you do not need to build an entire day around the appointment.
That convenience also helps with timing. You can place the treatment between other plans rather than treating it as a major excursion. A foot massage after sightseeing may make sense in the afternoon, while an oil or hot stone treatment may suit a slower part of your day.
Do allow a little extra time to find the exact branch and arrive before your appointment. The provided information confirms the general location and nearby BTS station, but it does not give a walking route, landmark, or required arrival time.
Do not head there with only the voucher and hope for an open slot. The voucher is not the appointment. You must call Let’s Relax Spa Sukhumvit 39 directly at +66 02 662 6935 to secure a booking.
The listed service language is Thai. That does not tell you that English service is unavailable, but it does mean you should not assume that every booking conversation or treatment explanation will be in English. Have your voucher details and preferred date ready when you call.
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Understanding the $22 price
The advertised price is $22 per person, which can be good value for a known spa in a central Bangkok location. The value depends entirely on the treatment option attached to the voucher. A basic foot or massage package and a more involved hot stone or nail service should not be judged as if they were identical purchases.
This is why the included-service details matter more than the headline price. The inclusion varies by option, so compare the treatment name and any stated conditions before you buy. The $22 figure is a starting point for this booking, not enough information to tell you exactly what service you will receive.
The central location adds value if you are already staying or sightseeing near Phrom Phong. You save time getting to the spa, and time is often worth more than a small price difference when you have a packed Bangkok schedule.
It is less compelling if you are booking only because the price looks low and you have not checked the treatment. The activity is non-refundable, and the spa appointment must be arranged separately. A cheap voucher becomes poor value if your schedule changes or the chosen service is not what you expected.
I would treat this as a convenient pre-paid spa option, not as a flexible walk-in deal. First decide what treatment you want, then confirm the voucher terms and call the branch before making other fixed plans.
Who should book this spa voucher
This suits you if you want a professional spa setting near BTS Phrom Phong and prefer to arrange a treatment before arrival. It is also useful if your party has different interests, since the menu includes massage and nail care rather than only one type of service.
The branch works well for a rest break in a Bangkok itinerary. The one-day validity gives you a date to use the voucher, but it does not tell you the length of the treatment. Check availability for starting times and confirm the appointment directly with the spa.
It may suit first-time visitors who want a straightforward, recognizable spa option instead of choosing an unknown shop at random. The long-running branch, renovation, full menu, and central location provide a clear reason to consider it.
I would be more cautious if your schedule is uncertain. Since the voucher is non-refundable and booking is your responsibility, this is not the right purchase for someone who wants to decide at the last minute.
It may also be less suitable if you require detailed English-language assistance. The listed language is Thai, so ask the spa about communication before you commit if that could affect your comfort.
Booking tips for a smoother visit

Before buying, identify the exact service you want. Look closely at the option selected, because the included treatment changes from one voucher choice to another.
After purchase, call +66 02 662 6935 to request your appointment. Do this as early as you can, especially if you need a particular time. The spa booking is not included automatically.
If you selected a future month, the voucher is sent to your email at the start of that month. This timing matters, so do not expect to receive a future-month voucher immediately.
Keep the voucher available when contacting the spa. Have your preferred date and time ready, and confirm the branch at Sukhumvit Soi 39, near BTS Phrom Phong.
The activity is listed as valid for one day, with starting times subject to availability. That refers to using the voucher, not to a guaranteed treatment length. The available information does not specify how long each massage or nail service lasts.
Should you book Let’s Relax Spa Sukhumvit 39?

Book it if you want a central, polished spa with several massage choices and a new nail care section. The Phrom Phong location is the biggest practical advantage, while the renovated Colonial Style interior gives the visit more character than a basic massage stop.
Skip it if you need a fully flexible booking or do not want to make a phone call. The non-refundable policy and separate appointment step demand a little planning.
For the best value, choose the treatment first, confirm what the $22 option includes, and call the spa before arranging the rest of your day. If those conditions work for you, this is a sensible way to add a calm, convenient pause to a Bangkok itinerary.
FAQ
Where is Let’s Relax Spa Sukhumvit 39 located?
The spa is on Sukhumvit Soi 39 in the Phrom Phong area of Bangkok. It is located just minutes from BTS Phrom Phong.
What treatments are available?
The full-service menu includes Thai massage, aromatherapy oil massage, foot massage, and hot stone massage. The nail care section offers manicure, pedicure, gel nail polish, and paraffin treatments.
Does the voucher include a confirmed spa appointment?
No. You must contact the spa directly to secure an appointment. The booking telephone number is +66 02 662 6935.
Does every voucher include the same treatment?
No. The inclusion varies according to the option selected. Check the exact option before purchasing.
What language is listed for the host or greeter?
Thai is the listed language for the host or greeter.
Is the spa wheelchair accessible?
Yes. The activity is listed as wheelchair accessible.
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