Symmetrical coral-red courtyard with reflecting pool and geometric architectural design
Nighttime view of glowing mineral pool with three swimmers, red walls, white seating, and ambient lighting
Man sitting in wooden sauna with warm ambient lighting and horizontal benches throughout interior
Woman in white hat relaxing on wooden bench in modern spa room with wood paneling and ambient lighting
Modern thermal spa with light wood interior, sunken pool, and four people in swimwear with overhead lighting
Modern fitness room with orange walls, multiple exercise bikes, and arched doorway
Aerial view of red-walled courtyard with terraced levels, stairs, and seating areas surrounded by white buildings
Overhead view of person bathing in dark indoor pool with red walls, wooden bench, and staircase
Rustic spa courtyard with cylindrical wooden loungers, shade sails, and red stucco walls in bright sunlight
Two women in small dark mineral pool with red walls, plants, and white towels in sunny courtyard
Minimalist pool with red-orange sculptural walls and water feature in sunny courtyard setting
Woman pouring water over herself from wooden bucket in red outdoor shower courtyard
Woman sitting by edge of dark infinity pool in red courtyard with plants
Woman in light clothing standing in doorway of red building with natural light
Woman leaning on railing of red deck overlooking brick wall and clear sky
Woman relaxing on round cream-colored seating in red courtyard with plants
Overhead view of geothermal hot spring pool surrounded by red walls with spa amenities
Red cedar wood sauna interior with wooden benches and atmospheric lighting
Red courtyard illuminated with dramatic red lighting at dusk, featuring seating areas and modern architecture
Interior spa treatment room with red walls displaying rolled towels and spa products organized on shelves
Aerial view of terracotta tile roof with central light well and three decorative vessels
Woman lying on bed in warm red-lit room with wooden slat headboard and minimalist design
Empty modern sauna interior with light wood construction, corner benches, and warm LED accent lighting
Overhead view of a dark thermal pool with steps and railings in a red-walled spa enclosure
Sunlit thermal pool with wooden accents and stepping stones in a multi-level red spa courtyard
Woman relaxing on curved white lounge chair in minimalist red courtyard with potted plant and white towel
Red-painted exterior courtyard with reflecting pool and weathered architectural walls
Two people relaxing in woven chairs on red terrace with clear sky above
Woman in striped bikini looking in ornate wooden mirror against red wall
Fitness class with instructor leading two participants in red gym space
Woman walking down modern steps in terracotta courtyard with cream lounge chair, plants, and minimalist furniture
Aerial view of red-tiled spa courtyard with climbing ivy, geometric architecture, and natural stone elements
Overhead view of man doing pull-ups in red room with exercise equipment and boxing bags
Man standing at bathroom vanity with dual round mirrors and red walls with ambient lighting
Woman on stationary bike in orange-red fitness room with multiple exercise machines
Red-painted covered walkway with stairs, benches, and potted plants
Man lying on bench in sauna with red wood slats and ambient red lighting
Modern fitness center with red walls, exercise equipment, and multiple workout stations
Woman on red staircase against vibrant red walls with dark wooden doors
Red interior room with two white seating areas, wooden ceiling details, and warm ambient lighting
Woman bathing in a dark thermal pool surrounded by terracotta-colored walls in a spa courtyard
Dark thermal pool with wooden edge details built into red walls in a minimalist spa room
Two guests relaxing on white loungers beside a red-walled pool courtyard with rustic elements
Hand holding a Las Ruinas branded beverage cup framed by a circular doorway opening
Modern fitness center with exercise equipment and large mirrors against vibrant orange walls
Outdoor courtyard with pink seating pods, rustic red walls, and brown shade sails overhead
Dark thermal pool nestled in a red-walled spa courtyard with industrial architectural details
Spa bathroom with vibrant orange walls, dual walk-in showers, long vanity, and decorative mirrors with warm lighting
Person lying on wooden sauna bench in red-lit sauna room with vertical wood paneling and soft ambient glow
Three guests enjoying beverages at round table in glowing orange room with illuminated shelving and bright ambiance
Overhead view of red wooden spa interior with neon orange accents, curved architectural elements, and skylight
Two women in casual attire standing on a terracotta platform near a red spa wall
Woman in bikini sitting on edge of illuminated thermal pool with textured beige walls and modern lighting
Woman standing on wooden balcony viewed from below through geometric red building opening framing blue sky
Night view of multi-level spa courtyard with glowing green pool, red ambient lighting, and dramatic architectural design
Spacious red fitness center with cardio equipment, mirrors, and modern machines
Red-walled outdoor courtyard with staircase, railings, and potted plants
Daylit pathway between tall red walls with stone flooring, metal railings, and potted plants
Close-up of red stucco walls, white trim, stepping stones, and wild vegetation in courtyard
Aerial view of red-walled courtyard with staircase, seating areas, and greenery
Person sitting in wooden sauna with warm lighting and wooden benches
Overhead night view of small courtyard with illuminated pool, seating, and red walls
Close-up of red wooden sauna interior showing horizontal wooden bench slats
Rotated view of red corridor with wooden doors, terracotta planters, and climbing ivy
Spa locker room with coral walls, white storage lockers, mirror, and wooden bench
Outdoor fitness class with two women exercising on red terrace with mesh shade and red architecture
Aerial view of multi-level red courtyard with seating areas and connected pathways
Red spa area with hot tub labeled 'Cold Plunge' and red-tiled walls
Red corridor with natural light, wooden flooring, and potted plant details
Woman in dark pool against coral-red wall with small rectangular window openings
Person swimming in shallow water channel with red walls on either side
Woman in bikini sitting in modern wooden sauna with ambient ceiling lighting
Outdoor courtyard with deep red walls, reflecting pool, and minimalist seating area
Aerial view of multi-level red courtyard with hot spring pool, terraces, and metal railings
Overhead view of woman relaxing on white lounger in red courtyard with potted plants and geometric shadows
Upward view of red wooden corridor with geometric patterns, beams, and architectural details
Warm orange-lit lounge with decorative mirrors, ornate wall sconces, and woven circular seating areas
Three people relaxing in lounge area under woven canopy with wooden furniture
Luxury bathroom with coral-orange walls, white vanity counters, multiple round mirrors, and decorative wall sconces
Terraced seating area with red stucco walls, natural stone flooring, woven chairs, and decorative circular window
Spa changing room with coral-red walls, white storage lockers, and cushioned seating benches
Woman resting on bed in moody red-toned bedroom with vertical wood paneling and ambient lighting
Overhead courtyard view with red walls, white trim, cascading ivy, and industrial metal railings

83 photos, view gallery

Las Ruinas Bathhouse and Gym

San Juan, Puerto Rico

5 star property

Located in the heart of historic San Juan, Las Ruinas Bathhouse and Gym is the ultimate urban wellness sanctuary. Designed exclusively for relaxation and rejuvenation, this premier facility features an outdoor pool, hot tub, and state-of-the-art fitness center. Guests can unwind in the traditional sauna, steam room, and refreshing cold plunge, or indulge in a full spa experience. Perfect for a restorative daycation.

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Experiences

Spa Pass

Enjoy access to spa facilities including hot tubs, saunas, and lounges.

Spa Pass

$120

Property details

Location

104 Calle de la Cruz, San Juan, Puerto Rico 00901, 104 Calle de la Cruz, San Juan, Puerto Rico 00901

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Amenities

Outdoor Pool

Sauna

Hot Tub

Cold Plunge

Steam Room

Gym

Showers

Lockers

Spa

  • View full list of policies HERE

Good to know

What happens when I get there?

Check in at the front desk with your confirmation and a photo ID — the same way any hotel guest would. The hotel knows you’re coming.

What’s included in the price listed?

Your booking covers everything listed on the experience page — no hidden fees. Some properties offer food, drinks, or extras you can add on once you're there, but nothing is required unless noted.

Can I cancel if my plans change?

Yes, most bookings can be canceled for a full refund. Cancellation windows and refund eligibility details are found on the experience page. Read our full cancellation policy.