A spa reset, right off Sukhumvit. Let’s Relax Spa Sukhumvit 39 feels like a one-stop beauty break near BTS Phrom Phong, and it has a freshly renovated look after 12 years of serving customers. I love the warm, Colonial-style design with perforated details inspired by the Rama V and VI era, and the added hot stone massage and nail menu make it easy to handle “treat myself” in one visit; the downside is you still have to call the spa to book an appointment.

This voucher is an e-voucher, so the spa does the scheduling. You’ll also get a Thai host/greeter, and the venue is wheelchair accessible. Just know the exact services included can vary depending on the option you selected.

At about $22 per person for a 1-day experience, it can be a solid value if you’re flexible with timing and willing to make that phone call.

Key things I’d watch for before you go

• Renovated after 12 years: a new look, not a tired storefront feel
• Colonial-style, Rama V and VI era inspiration: perforated design details + pastel light
• Full-service spa menu: Thai massage, aromatherapy oil massage, foot massage, plus hot stone
• Nail care added: manicure, pedicure, gel polish, and paraffin
• Voucher ≠ appointment: you must call the spa to lock in your time

Entering the renovated Let’s Relax Spa Sukhumvit 39 (Phromphong)

Let’s Relax Spa Sukhumvit 39 is set up for an easy, calming break, and the renovation is the first clue. The space blends a Colonial-style feel with perforated design elements inspired by the Rama V and VI era, then softens everything with light and pastel colors for a warm day-spa atmosphere.

In practical terms, that design matters because it helps you switch modes fast. If you’re doing Bangkok by foot and BTS, your “brain volume” is already loud. A spa that looks cared for—and not like it’s been running on autopilot for years—does a lot to make the first 10 minutes feel like you’re off duty.

You’re also in a convenient spot: the spa is listed as minutes from BTS Phrom Phong. That’s a big plus if you want a day spa without adding complicated transit or long taxi rides to the plan.

Choosing your massage menu with a one-day voucher

Your e-voucher is valid for 1 day, but the bigger choice is what kind of treatment you want. The spa’s full-service menu includes Thai Massage, Aromatherapy Oil Massage, Foot Massage, and the spa’s signature Hot Stone Massage.

Here’s the simple way I’d choose:

• If you want something more structured and stretching-forward, go for Thai Massage.
• If you want slower, more comfort-focused work, Aromatherapy Oil Massage is the natural fit.
• If you’re tight in your feet (common after markets, temples, or malls), Foot Massage is often the quickest relief.
• If you want a “special” treatment feel, Hot Stone Massage is the standout option.

One catch: the listing notes that what’s included depends on the option you selected. So before you call, it helps to review what your voucher covers. That way you’re not trying to figure it out mid-conversation while they’re confirming your schedule.

What the signature hot stone experience is likely to feel like

Hot Stone Massage is specifically called out as the spa’s signature treatment, which usually means it’s one of their most popular “wow” services. You should expect a warm, soothing massage approach, with the hot stones likely used to help relax muscles and add comfort during the session.

If you’re the type who gets tense in the neck/shoulders or your lower back after walking, this is often the kind of treatment people choose as their main event. And since this spa already positions itself as a professional, well-known day spa, you can reasonably expect the service flow to be smooth—tell them what hurts, then let them work.

If you’re unsure which massage suits you best, don’t wait. When you call the spa to book, ask what they recommend based on your body needs. Even with a massage menu, your comfort and stress level matter more than picking a “popular” name.

The nail care section: a smart add-on, not an afterthought

One of the most practical upgrades here is the newly added nail care section. If you want to combine relaxation with upkeep, this makes it easy: you can choose manicure, pedicure, gel nail polish, and paraffin.

Why that’s valuable for your trip: a Bangkok nail session can be a great way to “reset” your hands and feet before travel days or events, especially if you’re doing short trips where you don’t want to schedule separate appointments in your home city later.

Also, paraffin is a detail worth noting. It’s often chosen when someone wants extra comfort for dry or achy hands/feet. Even if your main goal is a massage, adding nail care can turn this from a one-and-done service into a full-body plus beauty session—all in the same location.

Booking reality: the voucher is not your appointment

This is the part you should handle first. This is only a spa e-voucher, and booking is done directly with the spa. To secure your appointment, you must call +66 02 662 6935.

So what should you do?

• Decide your treatment from the menu first (Thai, oil, foot, or hot stone), and check whether nail care is part of your plan.
• Confirm what time slots are available for your day. The e-voucher validity is 1 day, and starting times depend on availability.
• Have your voucher details ready when you call, so they can match you to the right option.

One more heads-up: if you selected a future month, the e-voucher is sent to your email at the start of that month. That’s useful to know so you’re not scrambling if you booked months ahead.

What to expect on the day (and how to make it smooth)

The spa is set up as a day spa, so you’re not committing to an overnight schedule. The duration is listed as 1 day, and the actual timing comes down to your booked appointment time.

You’ll also be working with a Thai host/greeter, and languages are listed as Thai. That doesn’t mean you can’t book or show up with basic details, but it does suggest you’ll have an easier time if you can clearly communicate what you want when you call and at check-in.

If you’re going with a nail service, I’d recommend telling them upfront. Nail care is a separate category from massage, and you’ll want them to schedule the right flow. Doing both often works best when everything is confirmed in advance.

And because the venue is wheelchair accessible, it’s good to know the facility supports mobility needs. If you need any specific setup during your visit, asking when you call is the safest move.

Price vs. value: why $22 can work (or not)

The price is listed at $22 per person for this spa e-voucher. For Bangkok, that can be a strong value when you’re choosing a full spa service and staying near BTS.

But the real value depends on two things:

1) What your option actually includes

The inclusion varies by option selected, so your final experience could be a simple treatment, or it could be more substantial.

2) How your call affects timing

If you can book at a time that fits your day, you get a smooth, satisfying reset. If not, the voucher can turn into a stress point because you must coordinate directly with the spa.

If you’re using this as your main relaxation block for the day—massage plus possibly nail care—then it’s likely to feel like a good deal. If you’re expecting the voucher to handle everything for you automatically, it won’t match that expectation, because appointment booking is on you.

Who should book this spa voucher (and who might skip it)

This fits well if you want:

• A convenient, BTS-near day spa near Sukhumvit
• A choice between multiple massage types, including hot stone massage
• The option to combine massage with nail services in one visit
• A renovated space with a comfortable, warm design style

You might consider skipping if:

• You hate booking by phone and don’t want to coordinate directly with the spa
• You’re trying to lock in a very specific time far in advance and the spa’s availability doesn’t cooperate

If you like practical travel plans—arrive, relax, and leave feeling better—this kind of voucher-based day spa is a good match.

Should you book Let’s Relax Spa Sukhumvit 39?

I’d book if you can handle the phone call and you’ll use the menu choices you actually want. The biggest reasons are the renovated day-spa atmosphere and the flexibility of treatments, especially the signature hot stone massage plus the added nail care section.

If your goal is a calm break near BTS Phrom Phong with clear options—massage or massage plus nails—this is a straightforward way to do it. Just treat the booking step as part of the plan, not an afterthought.

FAQ

What is included in the Let’s Relax Spa Sukhumvit 39 e-voucher?

The inclusion varies depending on the option you selected, so what you receive depends on the specific voucher choice.

Do I need to book an appointment, or is it automatic?

You need to call the spa to secure an appointment. The phone number is +66 02 662 6935.

How long is the voucher valid?

The voucher is valid for 1 day. Starting times depend on availability, so you’ll want to check when you book.

Is the spa near public transit?

The spa location is listed as minutes from BTS Phrom Phong, which makes it easier to fit into a day around Sukhumvit.

What massage options are available?

The menu includes Thai Massage, Aromatherapy Oil Massage, Foot Massage, and the spa’s signature Hot Stone Massage.

Can I book nail services with this voucher?

Yes, the spa added a nail care section offering manicure, pedicure, gel nail polish, and paraffin.

Is the spa wheelchair accessible, and what language is used?

The venue is wheelchair accessible. Languages listed are Thai.