The sauna at 24 Hour Fitness, in the city of Redwood City, in the state of California, is a basic amenity within a larger gym facility that offers separate men's and women's dry saunas. The facility has ongoing maintenance and cleanliness issues with the sauna areas, including dirty floors and humidity control problems. While the sauna is functional and accessible to members, frequent complaints about hygiene and upkeep suggest it may not meet expectations for those specifically seeking a premium sauna experience.

The sauna at SoliVana Wellness Spa in the city of Redwood City in the state of California offers a pristine infrared sauna experience that is frequently paired with cold plunge therapy. Customers consistently praise the cleanliness of the facilities and the calming atmosphere of the private treatment rooms. The infrared sauna sessions are reported to provide effective stress relief, muscle recovery, and overall wellness benefits.

The sauna at Redwood Massage & Sauna in Redwood City, California serves as a complementary wellness amenity to their primary massage services. The facility offers a no-frills, therapeutic environment focused on providing high-quality massage treatments with experienced practitioners. While the sauna is available as an add-on service, this establishment is primarily known for its exceptional massage therapy and comfortable, relaxing treatment rooms.