If you’re craving a moment of peace amid Bangkok’s bustling streets, the Let’s Relax Onsen and Spa located on the 5th floor of the Grande Centre Point Hotel in Thonglor offers a unique escape. Unlike typical Bangkok spas, this spot brings a touch of Japanese bathing culture with its onsen baths, providing a soothing retreat that’s easily accessible and surprisingly affordable.
Whether you’re after a quick pick-me-up or a full day of pampering, this experience might just be the calm oasis you need.
What we particularly love about this experience is its convenient location near BTS Thonglor, making it easy to reach without the hassle of long cab rides. Plus, the extensive menu of treatments, including mineral baths, saunas, and massages, means you can tailor your visit to suit your mood and needs.
On the flip side, keep in mind that booking requires a call—no walk-ins or online reservations here—which might be a slight inconvenience if you’re pressed for time.
This experience suits travelers who value authentic relaxation and want to enjoy a glimpse of Japan’s revered bath culture without leaving Bangkok. It’s a fantastic choice for anyone looking to unwind after a day of sightseeing or to indulge in a peaceful, health-boosting activity during a short visit.
- Key Points
- An In-Depth Look at Let’s Relax Onsen Thonglor
- Location and Accessibility
- The Onsen Experience
- Sauna, Steam, and Cool-Down Rooms
- Massages and Treatments
- Booking and Practical Tips
- What Do Guests Say?
- Who Should Consider Visiting?
- The Sum Up: Why Visit Let’s Relax Onsen Thonglor?
- FAQ
- More Spa & Hot Springs in Bangkok
- More Tour Reviews in Bangkok
Key Points
- Prime Location: Near BTS Thonglor, making it easy to include in a busy Bangkok itinerary.
- Authentic Japanese Onsen Atmosphere: Mineral baths, hot stone beds, sauna, and steam rooms replicate traditional Japanese bathing.
- Wide Service Menu: Offers massages, aromatherapy, and other spa treatments to complement the baths.
- Affordable Price: Around $15 per person, which provides good value considering the variety of treatments.
- Pre-Booking Required: You must contact the spa directly to reserve your appointment.
- Wheelchair Accessible: Suitable for visitors with mobility considerations.
An In-Depth Look at Let’s Relax Onsen Thonglor

You can also read our reviews of more tours and experiences in Bangkok
Location and Accessibility
Situated on the 5th floor of the Grande Centre Point Hotel Thonglor, this spa’s location is super convenient for Bangkok’s travelers. Just a short walk from BTS Thonglor, it’s perfect for those who want to include a quick wellness break without leaving the city’s vibrant district. The proximity to popular eateries and shops also makes it easy to combine your spa visit with some casual exploring.
The spa’s accessibility is notable, with wheelchair-friendly facilities ensuring everyone can enjoy the experience. Keeping transportation simple is a major plus in a city where getting around can sometimes be a challenge.
The Onsen Experience
What sets this spa apart is its dedication to recreating the Japanese onsen experience. We loved the way the spa has created a serene environment—think calming lighting, clean design, and a sense of privacy. The highlight is, of course, the mineral baths, which are designed to enrich the body with healing minerals. These baths are said to protect, heal, and rejuvenate at the cellular level, offering tangible health benefits along with relaxation.
Guests can choose from various mineral tubs—though the specifics aren’t detailed, the variety promises options for both hot and cooler baths, ideal for alternating and invigorating your skin and muscles. The hot stone bed baths are an interesting addition, providing a gentle way to stimulate circulation and ease tension.
Sauna, Steam, and Cool-Down Rooms
The spa’s sauna and steam rooms are perfect for those looking to detox or simply unwind. Multiple reviews highlight how the cool-down rooms provide a refreshing contrast after the heat, helping to close pores and restore balance. These features make the experience more immersive, akin to a traditional Japanese onsen, but in the heart of Bangkok.
More Great Tours NearbyMassages and Treatments
Beyond the baths, the spa offers an extended menu of massages, including traditional Thai massages and aromatherapy options. Although specific treatment details aren’t listed, reviews indicate that these services are aimed at relaxation and rejuvenation, with guests noting that they leave feeling refreshed and pampered.
The combination of mineral baths and massages is a classic duo, maximizing both physical relaxation and mental calmness. For many travelers, this pairing is just what’s needed to recover from jet lag or a long day of sightseeing.
Booking and Practical Tips
One key point to note is that this is only a spa voucher; you must call the spa directly at +66 02 042 8045 to secure an appointment. This step ensures you’ll have your preferred time slot, but it does add a layer of planning—not ideal if you’re trying to keep things spontaneous.
Prices are around $15 per person, making this a very cost-effective way to enjoy a full spa experience. The value here is clear: for a modest outlay, you gain access to a variety of treatments that can boost your health and mood.
What Do Guests Say?
According to reviews, visitors are generally very pleased, with a 4.7-star rating from 19 reviews. Many appreciate the cleanliness, friendliness of staff, and the peaceful atmosphere. Comments such as “a perfect place to unwind after sightseeing” and “the mineral baths are incredibly relaxing” highlight the positive experiences.
However, some mention that booking in advance is preferable since walk-ins might be difficult, especially during busy periods. The limited availability of time slots could also be a consideration for travelers on a tight schedule.
Who Should Consider Visiting?

This onsen experience is ideal for travelers who value authentic wellness experiences and want to experience a slice of Japanese bathing culture in Bangkok. It’s perfect for those looking for affordable luxury, or simply seeking a peaceful respite in the midst of a hectic city. It’s especially suitable for couples, wellness enthusiasts, or anyone needing some time to relax and reset.
Those with mobility concerns will appreciate the wheelchair accessibility, and if you’re traveling with friends or family who enjoy spa treatments, this could be a shared highlight.
The Sum Up: Why Visit Let’s Relax Onsen Thonglor?

This Bangkok onsen offers a delightful blend of tradition and convenience. For just around $15, you can enjoy mineral baths, saunas, and massages that leave you feeling refreshed and healthier—an excellent deal considering the quality of treatments and the authentic Japanese-inspired environment. The location near BTS Thonglor makes it easy to combine with exploring the vibrant district, and the relaxing atmosphere makes it a worthwhile pause in any Bangkok itinerary.
If you’re a traveler who loves wellness activities, appreciates authentic cultural experiences, or simply needs a break from sightseeing, this spa is well worth considering. Its affordable pricing, accessibility, and peaceful ambiance make it stand out as a genuine value, especially for those who want to treat themselves without breaking the bank.
Bangkok: Let’s Relax Onsen Thonglor E-Voucher
FAQ

Do I need to book in advance?
Yes, since you must call the spa to secure an appointment. Walk-ins are not typically available, so planning ahead ensures you get your preferred time.
How much does it cost?
The spa voucher costs about $15 per person, which includes access to the mineral baths and some treatments, depending on the option selected.
What treatments are included?
While the specific menu isn’t listed, the experience features mineral baths, sauna, steam rooms, hot stone beds, and massages. You can extend your pampering with additional services booked directly with the spa.
Is the spa accessible for wheelchair users?
Yes, the spa is wheelchair accessible, making it suitable for visitors with mobility needs.
How long can I stay?
The voucher is valid for one day, and check availability for starting times. Actual treatment durations may vary, but the overall experience is designed to be a relaxing visit rather than a full-day commitment.
What should I bring?
It’s best to bring your own towel and any personal toiletries. Since bookings are done by phone, confirm if you need to bring anything specific when you reserve your appointment.
Whether you’re seeking a quick revitalization or a full day of pampering, Let’s Relax Onsen Thonglor offers a peaceful retreat that combines the best of Japanese bathing traditions with Bangkok’s vibrant life. It’s a smart choice for travelers who want to unwind, rejuvenate, and enjoy a unique spa experience in the city.
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