Las Ruinas Bathhouse
104 Calle de la Cruz, San Juan, PR 00901
11,000 sqft bathhouse in Old San Juan with dry sauna, infrared sauna, steam room, thermal pools, cold plunge, hot tub, and swimming pool. Complimentary tea lounge, smoothie bar, and gym included with day pass. 2.5 hour time limit per visit (no re-entry). Flip-flops required (available for purchase on site). Massages and smoothies available as add-ons. Members-only early access 6–8 AM daily. Ages 18+.
Price: $68 for 150 minutes
Amenities: cold plunge, soaking tub, steam room, towels included
Hours: Every day 8 AM–6 PM
Gender policy: Co-ed
Clothing policy: Swimsuit required