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Let’s Relax Spa Sukhumvit 39 (Phromphong) is a recently renovated day spa that has served Bangkok for 12 years, now with a fresh look and a full-menu approach to massage and beauty. What makes it interesting is the mix of classic design cues from the Rama V and VI era (seen in the perforated pattern) plus a practical spa menu that lets you build your own relaxation plan.

I like two things a lot. First, the location is convenient—minutes from BTS Phrom Phong—so you can fit this into a normal day without turning it into a whole travel mission. Second, it’s a true one-stop spot: you can choose from massage options like Thai, aromatherapy oil, foot massage, and the spa’s signature hot stone, and then add nail care if you want it.

The main catch is also the simplest: you don’t just walk in with the e-voucher. You must call the spa to secure your appointment, and the e-voucher is non-refundable.

Key Things I’d Prioritize About This Spa E-Voucher

• Renovated after 12 years of service, with a warm, lighter color scheme and colonial-style design details
• Minutes from BTS Phrom Phong, which makes a spa day easier to plan
• Full-service massage menu including Thai Massage, Aromatherapy Oil Massage, Foot Massage, and Hot Stone Massage
• New nail care section with manicure, pedicure, gel nail polish, and paraffin
• Wheelchair accessible, with Thai-speaking staff support (languages listed as Thai)
• E-voucher only: you still need to contact the spa for an appointment

Let’s Relax Spa Sukhumvit 39: A renovated day spa in Phrom Phong

This isn’t a tired strip-mall massage room. Let’s Relax Spa Sukhumvit 39 was fully renovated after 12 years of welcoming customers, and the new look is intentional. You’ll see a colonial style vibe, plus a perforated design pattern inspired by the Rama V and VI era, which gives the space a softer, more architectural feel than plain white walls.

The spa also uses light and pastel coloring to create a warm ambiance. In plain terms: it’s built for calming down fast. If you’re the kind of traveler who gets tense in transit and crowds, that matters.

And because it’s described as a professional and well-known spa, you can treat this like a straightforward, no-drama place to schedule a proper service—rather than gambling on whether the place will be organized when you arrive.

Getting There Quickly from BTS Phrom Phong

The big practical win here is the convenience. The spa is just minutes from BTS Phrom Phong, and that means you can arrive by train and avoid the kind of Bangkok stress that comes with crossing long distances.

It’s also in Sukhumvit Soi 39, so you’re in an area that’s generally easy to navigate for visitors. If you prefer building your day around transit, this is a spa appointment that fits your schedule instead of fighting it.

Tip: plan your taxi or rideshare time as if Bangkok traffic could be unpredictable. The train drop-off near Phrom Phong is your anchor.

How the E-Voucher Works (and what you still control)

This is an e-voucher for a spa service option, valid for 1 day. The important part: it doesn’t automatically secure your specific appointment time.

You must call the spa to book. The phone number is +66 02 662 6935. That’s the difference between a smooth day and a late scramble.

Two more practical details matter:

• What you get is tied to the option you selected, and inclusion varies depending on that choice.
• If you select a future month, the e-voucher is sent to your email at the start of that month.

One last thing: the activity is non-refundable. So once you’ve picked your month and option, treat it like you’re really planning to use it.

Building Your Perfect Relaxation Plan from the Massage Menu

The spa’s full-service menu gives you multiple paths to calm. You’re not stuck with one type of service. The menu includes:

• Thai Massage
• Aromatherapy Oil Massage
• Foot Massage
• Hot Stone Massage (the spa’s signature)

Here’s how I’d choose, based on what you need that day.

Thai Massage (when you want bodywork that targets tightness)

Thai Massage is on the menu, and it’s a solid choice if you want something more focused on your body’s range and tension. If you’ve been doing lots of walking, stairs, or day tours, this is a logical fit.

If you prefer something lighter or less hands-on, you can skip straight to oil or foot work. The menu gives you the flexibility.

Aromatherapy Oil Massage (when you want comfort plus scent)

Aromatherapy Oil Massage is another listed option. This tends to pair well with travel fatigue because it’s designed to feel soothing and calming.

Choose this if you want relaxation to be the main goal, not just muscle attention.

Foot Massage (when your legs feel like they filed a complaint)

Foot Massage is great when your body is tired but you don’t want to commit to a full-body session. If your itinerary is packed and your feet are the first to complain, this can be a smart way to reset without going too big.

Hot Stone Massage (when you want the signature experience)

Hot Stone Massage is called out as the spa’s signature. If you like trying “the thing they’re known for,” this is the easiest option to build around.

Also: if you’re doing this alongside nail care, hot stone can be the anchor service and the nails can be the bonus.

Pair It with Nail Care: The new section changes the whole value

One of the most useful upgrades here is the new nail care section. The menu includes:

• Manicure
• Pedicure
• Gel Nail Polish
• Paraffin

This matters because it turns a simple massage appointment into a full beauty reset, all in one place. If you’re traveling for events, photos, work, or just want to feel put together, this is where the e-voucher can feel especially worth it.

Practical way to think about it:

• If your priority is recovery, start with the massage choice.
• If your priority is looking fresh, pair a nail service with a shorter massage option like foot work.

I’d also consider timing. If you’re doing gel nail polish or paraffin-related service, it’s usually best to give yourself enough time to avoid rushing out immediately after. (The exact flow depends on the appointment, so ask when you book.)

What the Visit Feels Like on the Ground

Based on the way the spa is presented, you should expect a clean, organized day-spa experience. The renovation details (colonial style, perforated design patterns, pastel light colors) point to a calmer atmosphere, not a barebones treatment room.

A few details that matter for planning:

• The host/greeter is Thai, and languages listed are Thai, so having a phone translation app or a few basic phrases can help.
• The spa is wheelchair accessible, which makes it a more inclusive option than many small massage spots.
• You’re booking an appointment by phone, so you’ll get a time slot rather than wandering in and hoping.

During the visit, you can reasonably expect that you’ll choose from the menu you selected (massage and/or nail services depending on your option), then sit back for the treatment. Since the included portion varies by what you picked, your best move is to confirm your exact service when you call.

Price and Value: Why $22 can work (or not)

The price listed is $22 per person for the e-voucher, and that’s relatively easy on a travel budget—especially in a city where comfort can get expensive fast.

But the value really depends on your selection:

• If your option includes a massage type you actually want (Thai, oil, foot, or hot stone), it can feel like a practical deal for a meaningful reset.
• If your option leans more toward nail care, it can still be a great value, especially with the new section offering manicure, pedicure, gel polish, and paraffin.

Where it might not be the best fit:

• If you’re the kind of traveler who hates phone calls or schedule uncertainty, the need to book directly can take some of the convenience out of the deal.
• If your plans are already unstable, the non-refundable status is a risk. Plan around a realistic day you can set aside for the appointment.

Who gets the best fit from this?

• People staying around Sukhumvit who want an easy spa stop
• Travelers with sore legs who want foot massage or hot stone
• Anyone who wants a one-stop beauty reset without hopping between businesses

Should You Book This Let’s Relax Spa E-Voucher?

I’d book it if you want a budget-friendly spa day near BTS Phrom Phong and you’ll actually use the services tied to your chosen option. The combination of a renovated space, a full massage menu, and a new nail care section makes it unusually useful for travelers who want more than one kind of self-care in a single appointment.

I would pause before booking if you know you’ll have trouble locking in an appointment time. Because this is e-voucher only, you must call the spa at +66 02 662 6935 to schedule. Add that non-refundable policy, and you’ll want confidence in your dates.

If your schedule is solid, you’ll likely appreciate how straightforward this feels: pick a service, get on the calendar, and let the day be about you.

FAQ

Do I get an automatic appointment time with the e-voucher?

No. This is only a spa e-voucher, and you need to contact the spa directly to book an appointment.

How do I book my spa appointment?

You must call Let’s Relax Spa Sukhumvit 39 at +66 02 662 6935 to secure your appointment.

What services are available with Let’s Relax Spa Sukhumvit 39?

The spa menu includes Thai Massage, Aromatherapy Oil Massage, Foot Massage, and Hot Stone Massage. A nail care section is also available with manicure, pedicure, gel nail polish, and paraffin.

How long is the voucher valid?

The voucher is valid for 1 day. You can check availability to see starting times.

How much does it cost?

The price listed is $22 per person.

Will I get the e-voucher immediately if I choose a future month?

If you select a future month, the e-voucher is sent to your email at the start of the month you selected.

Is the spa wheelchair accessible and what language do staff speak?

Yes, it is wheelchair accessible. The languages listed are Thai.

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