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Step into a rare urban sanctuary in the heart of Old San Juan. Las Ruinas is a full-circuit thermal spa, bathhouse, and wellness gym built to quiet your mind and body.
Move through four wellness environments at your own pace during your session: the heated swimming pool and contrast plunge pools, three distinct heat sanctuaries (dry sauna, infrared sauna, and eucalyptus steam room), a restorative lounge with unlimited herbal tea and light snacks, and a fully equipped gym. Every visit includes a robe, slippers, a dedicated locker, and unlimited fresh towels — just bring a swimsuit.
Between circuits, sink into the cozy lounge wrapped in soft towels. This is wellness done simply and completely. Before you leave, refuel at the in-house Smoothie Spa with nourishing blends made to refresh.
Located steps from Old San Juan's historic streets — the perfect pause in the middle of any itinerary
Not recommended for travelers with spinal injuries
Not recommended for pregnant travelers
Not recommended for travelers with poor cardiovascular health
Travelers should have at least a moderate level of physical fitness
Las Ruinas Bathhouse & Gym
Arrival & Orientation: Check in for your locker assignment and a quick facility walkthrough. Change into swimwear (flip-flops required, available for purchase) and collect fresh towels. Thermal Pool Circuit: Cycle at your own pace through the heated pool, the tension-relieving hot plunge, and the invigorating cold plunge to promote deep recovery. Heat Sanctuary: Enjoy unlimited access to three distinct heat experiences: the traditional dry sauna, the restorative infrared sauna, and the hydrating eucalyptus steam room. Lounge & Recovery: Decompress in the quiet lounge wrapped in soft towels. Enjoy unlimited herbal tea, water, and complimentary light snacks. Gym & Smoothie Bar: Access the fully equipped gym at any point during your session, then refresh with a nutrient-dense beverage from the in-house Smoothie Spa.
Hot plunge pool and cold plunge pool (hot and cold contrast bathing)
Access to heated swimming pool
Towels, Robe, and Slippers
Herbal teas, warm and cold water
Full access to the equipped gym
Each guest has its own locker
Personal locker with key
Unlimited fresh towels
Light restorative snacks (nuts, fruits, and popsicles)
Guests can enjoy teas, along with warm and cold water, to hydrate and reset between circuits. Light snacks such as nuts and popsicles are available to help replenish and balance the body.
Choice of dry sauna, infrared sauna, or eucalyptus steam room (unlimited access)
Unlimited, full-day access
Smoothie Bar items (available for purchase on-site)
Gratuities
Re-entry
For a full refund, cancel at least 24 hours before the scheduled departure time.
93 đánh giá
Tổng số đánh giá và xếp hạng từ Viator & TripAdvisor
paolacQ5955VT,6 thg 7, 2026
- Đánh giá từ Tripadvisor
Thank you, Max and Orson, for the amazing experience at Las Ruinas. Great people, great conversations, and an incredible atmosphere. One of my favorite parts of the visit was talking about the future of wellness and longevity. I love connecting with people who see health as something proactive—helping people stay healthier, move better, recover faster, and enjoy a higher quality of life for years to come. If you haven’t visited Las Ruinas yet, I highly recommend it!
alexaE5205VB,6 thg 7, 2026
- Đánh giá từ Tripadvisor
It’s nice. I really loved it. They gave me free tea and popsicles
cendallc2026,5 thg 7, 2026
- Đánh giá từ Tripadvisor
It was amazing. We went to the gym and also enjoyed its amenities . Everything was very clean and staff was very friendly
lucykN8723ZB,5 thg 7, 2026
- Đánh giá từ Tripadvisor
Amazing experience!! Aparna was so helpful and the service was phenomenal. Most relaxing day. Beautiful and clean!
Voyage735518,5 thg 7, 2026
- Đánh giá từ Tripadvisor
Great spot to detox after a long weekend. Sauna was very hot so that’s a plus!
B6170PWgabrielap,4 thg 7, 2026
- Đánh giá từ Tripadvisor
Great place, loved being able to have a space to workout and relax/reset afterwards!
61aleec,4 thg 7, 2026
- Đánh giá từ Tripadvisor
This was amazing! I booked through the website and when I arrived, the ladies at the front desk were super friendly and gave us a quick tour of the place. It was exactly what I needed and totally worth the price! Highly recommend the experience for anyone who needs to relax and decompress.
A1209ZMnicholasa,3 thg 7, 2026
- Đánh giá từ Tripadvisor
Amazing experience, everyone was nice and it was very relaxing. Also really beautiful and I booked the day before for $55.
btW5784WE,3 thg 7, 2026
- Đánh giá từ Tripadvisor
Amazing! Excellent staff and I really appreciate their no phone policy. Delicious smoothies

685jial,3 thg 7, 2026
- Đánh giá từ Tripadvisor
Incredible space and facilities! Beautifully designed with exceptional attention to detail, creating the perfect blend of nature and modern luxury. The staff were warm, attentive, and made the experience even more enjoyable. Every corner feels thoughtfully curated. It’s truly a truly special place to relax, recharge, and unwind. Highly recommend!
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