A review of the six best sanatoriums, wellness retreats and medical clinics in Asia — Chiva-Som, Kamalaya, RAKxa, COMO Shambhala, Fivelements and Japan's Kameda clinic: prices, programs, pros and cons, contacts.
The word “sanatorium” in the familiar post-Soviet sense — with a voucher, a treating doctor and a schedule of procedures — is almost never found in Asia. Instead, a culture of wellness tourism of its own has developed here: Thailand’s expensive destination spas with medical staff on the payroll, Balinese retreats where treatment is built around local practices and rituals, and Japanese clinics where the emphasis is not on rest but on precise diagnostics. This review covers six proven addresses in Thailand, Bali and Japan: from the pioneer of the 1990s wellness tourism industry to a modern clinic where people go not to relax but to undergo a full examination of the body.
A separate large topic is the sanatoriums and traditional Chinese medicine clinics of Hainan: they have their own specifics, prices and logistics, and we covered them in detail in a separate guide, “Sanatorium and spa treatment on Hainan“. This piece covers the rest of Asia.
How we chose
The selection includes sites with a confirmed track record and medical or therapeutic staff on the payroll — not merely spa hotels with an extended menu of treatments, but places where the decisions about the program are made by a doctor, naturopath or traditional medicine specialist, not an entertainer. Five of the six are in AsiaRoutes’ hotel database, the sixth (the Kameda clinic in Japan) is an operating medical institution, not a hotel, and was added deliberately: it shows a different, much more clinical pole of Asian medical tourism.
We deliberately did not include ordinary spas at beach hotels here — only addresses where the program is built around health as the main goal of the trip, not as a pleasant addition to a beach holiday. All six have worked for at least several years (RAKxa is the youngest project, but it too has existed since the early 2020s and has managed to collect industry awards), receive foreign guests on a regular basis and publish enough information about their programs to understand in advance what to expect.
The top 6 sanatoriums and wellness clinics in Asia
1. Chiva-Som International Health Resort — Hua Hin, Thailand
The hotel with which, in essence, the whole destination spa industry in Asia began. Founded in 1995 by the Thai entrepreneur Boonchu Rojanastien, who turned his own beach residence into “Asia’s first health oasis” — in 2026 Chiva-Som celebrates its 30th anniversary. Over three decades the hotel has built a reputation as one of the most therapeutically serious resorts in the region: personal wellness consultants, comprehensive diagnostics before drawing up a program, programs ranging from detox and sleep restoration to rehabilitation and anti-aging.
Price: from ~17,280 ฿++ per person per night on the Serene Getaway rate (includes three meals and one treatment a day, June–September 2026 season), on average the cost of a night in high season exceeds $1,500–1,750. When booking from 120 days ahead and for at least 3 nights — a discount of up to 20%.
Pros: thirty years of experience and a reputation as the industry’s pioneer; a location on its own beach; all-inclusive — meals and at least one treatment a day; a personal wellness consultant from day one.
Cons: one of the most expensive options in the selection; the best rates require booking several months ahead; the full effect of the programs is designed for a stay of 5–7 nights, short stays are less indicative.
Contacts: 73/4-6 Soi Moo Baan Nong Kae, Hua Hin 77110, Thailand · WhatsApp +66 82 796 7689 · reservations@chivasom.com · chivasom.com
2. Kamalaya Koh Samui — Samui island, Thailand
A health sanctuary built around a real cave that Buddhist monks used for meditation for centuries — it remains the spiritual center of the grounds today. Kamalaya combines Eastern practices with Western medical evidence: the staff includes naturopaths and traditional Chinese medicine specialists, and from the more than 100 available methods the programs are grouped into five directions — movement and posture, detox and gut restoration, rest and reset, longevity and metabolic balance, emotional resilience. In recent years the Longevity House (drips, ozone therapy, hyperbaric oxygenation) and the Cognitive House for cognitive health have been added.
Price: a day pass for treatments — from 1,800 to 5,300+ ฿ per person; multi-day programs with accommodation are calculated individually, when booking from 60 days ahead — a discount of 15–20%.
Pros: a unique “place of power” — a cave as the spiritual center of the grounds; the widest choice of 100+ methods; a combination of Eastern and Western approaches under one roof.
Cons: the final cost of a full program with accommodation is not published on the website and is clarified individually — it is harder to estimate the budget in advance than with competitors with a transparent price list.
Contacts: 102/9 Moo 3, Laem Set Road, Na Muang, Samui, Surat Thani 84140, Thailand · +66 77 429 800 · info@kamalaya.com · kamalaya.com
3. RAKxa Wellness & Medical Retreat — Bang Krachao (Bangkok), Thailand
The youngest and most “medical” of the selection’s Thai addresses — an integrative retreat on Bang Krachao island, Bangkok’s green “lung” in a bend of the Chao Phraya River, only half an hour from the city center. RAKxa is built around the idea of combining evidence-based medicine with traditional methods: physiotherapy, traditional Thai medicine, Ayurveda, traditional Chinese medicine, hydrotherapy and aesthetic medicine are gathered into 12 programs — from an individual 3-day one to the comprehensive Integrative Longevity from 7 nights. On the grounds are 60 villas, a separate medical center and a hydrotherapy department. The hotel has been recognized with awards from Condé Nast, World Spa Awards, Tatler and Virtuoso status.
Price: from €800 a day; a 7-night program in a Garden Villa — from $8,003 for double occupancy to $9,592 for single.
Pros: you don’t need to fly to the islands — 30 minutes from Bangkok; the program is assembled individually for the task rather than chosen from a ready menu; a modern facilities base and industry recognition.
Cons: the most expensive option in the selection per night; a young project without a many-year history like Chiva-Som; the grounds can only be reached by ferry/boat across the river, which is not logistically convenient for everyone.
Contacts: Bang Krachao island, Bang Nam Phueng district, Samut Prakan province (Bangkok), Thailand · +66 2 055 3100 · WhatsApp +66 65 950 6388 · CustomerRelations@rakxawellness.com · rakxawellness.com
4. COMO Shambhala Estate — Ubud, Bali
COMO Shambhala Estate stands on the bank of the Ayung River in the jungle near Ubud and belongs to COMO Group of the Singaporean entrepreneur Christina Ong. The programs are built around nutrition, diagnostics and Ayurvedic practices: “Detox to Restore”, “Fit to Perform”, “Nourish to Glow”, “Connect to Rebalance” and a separate Ayurvedic track, with a minimum length of 3 nights.
Price: rooms from $630–665 a night in low season; full board with a wellness program for 3 nights in a Garden Room from $2,100; the wellness program itself is added as a separate surcharge of about $250 a night plus 21% taxes and service charge.
Pros: a location on the Ayung River among the jungle — one of the most atmospheric places in Ubud; a strong cuisine built around food as part of treatment; a recognizable brand with an international reputation.
Cons: the room price and the wellness program price are counted separately and added together — the final bill is higher than it seems from the starting nightly price; the 21% of taxes and fees on top noticeably increases the bill.
Contacts: Banjar Begawan, Desa Melinggih Kelod, Ubud 80571, Bali, Indonesia · comohotels.com/bali/como-shambhala-estate
5. Fivelements Retreat Bali — Mambal, Ubud, Bali
Fivelements is a retreat on the sacred Ayung River in the village of Mambal, half an hour’s drive from the center of Ubud, built around Balinese healing rituals, chakra balancing and a 100% plant-based cuisine: there is no meat or fish on the menu at all, and all the food is prepared from products grown on the grounds. The average guest rating is 9.0 out of 10, with the staff, cleanliness and level of comfort rated especially high.
Price: rooms from $229 to $465 a night depending on the season and type; spa treatments and wellness programs are paid separately.
Pros: noticeably more affordable at the entry price than COMO Shambhala or Chiva-Som; a location on a sacred river with authentic Balinese rituals; consistently high guest ratings for service and atmosphere.
Cons: a strictly plant-based menu with no exceptions — a minus for those not ready to give up meat and fish for the length of the trip; some guests note in reviews that additional spa treatments and dishes outside the main menu cost noticeably more than you might expect from the room price; it is about half an hour by car to the center of Ubud.
Contacts: Banjar Adat Baturning, Mambal, 80352 Ubud, Bali, Indonesia · info@fivelements.com · fivelements.com
6. Kameda Medical Center (Kameda Kyobashi Clinic) — Japan
The sixth address is not a resort but an operating clinic, and was added to the selection deliberately: it is the opposite pole of Asian medical tourism, with no spa atmosphere but with the most precise diagnostics. Kameda is one of Japan’s largest private hospital networks, and its Kameda Kyobashi clinic offers “ningen dock” (人間ドック) — a comprehensive body examination for those who don’t speak Japanese: all documents, instructions and results are in English, and an interpreter is assigned for the whole visit. Most programs, including upper GI endoscopy and colonoscopy, fit into one day; results are sent in about a month.
Price: individually by program — there is no open price list on the website, the exact cost depends on the set of examinations (a basic check-up, an extended one with MRI/CT, cancer screening and so on); premium “ningen dock” in Japan generally fall within a range from several hundred thousand to about a million yen for a comprehensive program — the exact figure for your set of examinations must be requested from the clinic directly.
Pros: Japanese precision of diagnostics — one of the world’s highest standards of early detection of oncology and vascular pathologies; full support in English with no need for a separate interpreter; the results can be fitted into one day of stay in the country.
Cons: it is a purely medical, clinical trip, without rest and relaxation; you need to book at least three weeks ahead; payment is by card (Visa/Mastercard/AMEX) or international bank transfer, cash is not suitable; prices are not published in advance, and the trip budget is hard to plan without a preliminary request.
Contacts: Kameda Kyobashi Clinic, Tokyo, Japan · medical.kameda.com/kyobashi/en
Price comparison: what the trip will cost
| Site | Country | Format | Approximate price |
|---|---|---|---|
| Chiva-Som | Thailand (Hua Hin) | Destination spa, all-inclusive | from ~$480 a night (17,280 ฿++) on promotion, in season from $1,500+ |
| Kamalaya | Thailand (Samui) | A wellness sanctuary | a day pass 1,800–5,300+ ฿; a program with accommodation — on request |
| RAKxa | Thailand (Bangkok) | Integrative medicine | from €800/day; 7 nights — from $8,003 |
| COMO Shambhala Estate | Bali (Ubud) | A wellness retreat + Ayurveda | room from $630/night + program ~$250/night + 21% fees |
| Fivelements | Bali (Mambal) | Balinese rituals, plant-based cuisine | room $229–465/night, treatments separately |
| Kameda Kyobashi Clinic | Japan | A diagnostic clinic (ningen dock) | on request, roughly from several hundred thousand yen |
Currency rates float — calculate the exact sum in rubles on the day of booking at the current cross rate of THB, USD, EUR or JPY.
How to get in touch and pay
All six sites accept applications directly through the contacts given — phone, email or WhatsApp — without the need to look for a medical agent intermediary, as is often the case with large clinics in China. The standard order: write or call, describe the task (detox, sleep restoration, a specific program or a check-up), receive confirmation of dates and a preliminary estimate, and if necessary make a deposit for the booking.
Payment at the Thai and Balinese sites is usually accepted directly by an international card (Visa/Mastercard) on booking or on arrival — which is fundamentally simpler than in mainland China, where such cards do not work. At Japan’s Kameda clinic payment is by card (Visa/Mastercard/AMEX) or international bank transfer; cash is not provided for.
How to prepare for the trip
- Medical documents. If you are going with a specific problem (not for a general detox), bring fresh tests, discharge summaries and reports — some programs (especially at RAKxa and Kamalaya) begin with studying the medical history even before arrival.
- Agreeing with your doctor at home. Especially before courses with fasting, hydrotherapy, intensive detox protocols and drips — discuss contraindications in advance.
- Timing. The programs seriously work from 3–5 nights; a one-day visit to a spa hotel is relaxation, not therapy. For ningen dock in Japan — plan at least a day or two in the country and book three weeks ahead.
- A budget with a reserve. Almost everywhere the base room price does not include the wellness program itself — allow a separate sum for treatments, not only for accommodation.
- Food. Clarify the cuisine format in advance — for example at Fivelements the menu is strictly plant-based with no exceptions, which is worth knowing before booking, not on arrival.
- Payment. In Japan, international cards and bank transfer are standard for clinics; in Thailand and Bali most resort programs accept cards without problems, but clarify the deposit and cancellation conditions in advance.
FAQ
How does a destination spa like Chiva-Som differ from a sanatorium in the usual sense? A destination spa does not diagnose and treat in the medical sense — it is prevention, recovery and gentle correction of the condition under the supervision of naturopaths and wellness consultants, not therapy of a specific disease. For real treatment (hernias, the consequences of stroke, severe skin diseases) clinics with medical control are more suitable — like Hainan’s TCM hospitals or diagnostic clinics like Kameda.
Can I go for 2–3 days and get an effect? As a one-off experience and a light reset — yes. But most programs at all six sites are designed for a course of 3–7 nights: it is on such a horizon that the cumulative effect of detox, sleep, diet and treatments shows.
Do I need to know English? At the Thai and Balinese sites there is English-speaking staff everywhere, hiring an interpreter specially is not required. At Japan’s Kameda Kyobashi clinic English is supported deliberately, including an interpreter for the whole visit — one of the reasons foreigners choose it.
What should I choose: a spa retreat or a medical clinic? If the task is to relax, relieve stress, set up sleep and nutrition in a comfortable setting — any of the five Thai and Balinese sites. If the task is to get precise diagnostics and an objective picture of health (for example oncology screening) — that is Kameda or a similar clinic, not a resort spa.
Which of the six options is cheapest for a first acquaintance with the format? By the starting room price — Fivelements in Bali ($229–465 a night without a program). But remember that the final bill almost everywhere is made up of accommodation plus separately paid treatments, so a “cheap” starting price does not always mean a low budget for the whole trip — check the cost of the specific program, not only the room.
Can I combine a sanatorium program with an ordinary beach holiday? In Thailand and Bali — yes, all five resorts are located near the sea or a river and do not forbid guests to leave the program. It is stricter only for medical indications (for example restrictions after certain detox protocols or heat treatments) — the specific regimen is agreed with the hotel’s doctor or consultant on the spot.
Prices, program terms and contacts may change — check the current information directly with the hotel or clinic before your trip.
