Entry No. 46 — the St. Louis file — filed under: float-tank
FLOAT STL (Maryland Heights)
Float STL is famous for its sensory deprivation pods, but its Maryland Heights location recently debuted the 'Ammortal Chamber.' This futuristic, multi-therapy recovery bed synchronizes red light therapy, guided breathwork, molecular hydrogen inhalation, and pulsing vibroacoustic vibrations with music.
The story
Most people head to float centers to shut the world out entirely—climbing into dark tanks of dense salt water to strip away light, sound, and gravity. FLOAT STL has been running that isolation game in St. Louis since 2015. But at their Maryland Heights outpost, tucked inside a bland light-industrial block off Weldon Parkway, they’ve introduced a piece of equipment that works in complete reverse.
That would be the Ammortal Chamber, a futuristic recovery bed that replaces total silence with intense, synchronized sensory inputs. Instead of floating in pitch blackness, you lie on a specialized platform while red light therapy bathes your skin, vibroacoustic transducers pulse music directly through your spine, a cannula supplies molecular hydrogen for inhalation, and guided breathwork tracks direct your nervous system. It feels less like a quiet afternoon at a traditional day spa and more like volunteering for a benign, high-tech neuro-calibration experiment.
What it's like
Tucked behind a quiet office-park storefront, the space stays muted, low-lit, and functional. After stepping out of the high-vibration Ammortal Chamber or an infrared sauna session, you're expected to linger in the lounge with a cup of complimentary tea. Give yourself twenty minutes there before getting behind the wheel—jumping straight out of a vibroacoustic hydrogen bed and back onto I-270 traffic is a jarring transition.
The move: Book a session in the Ammortal Chamber to try the cutting edge of 'bio-hacking' together, then compare notes over tea in their calm lounge.
- 📍 Maryland Heights
- 💸 $$
- ⚡ Low-key
- 🌗 Indoor or outdoor
Where: 127 Weldon Pkwy, Suite B, Maryland Heights, MO 63043
Hours: Added 2026-07-21 — confirm current hours before you go.
Pair it with
- St. Louis Antique Mall — Pair your clean, high-tech sensory reboot with a dive into 21,000 square feet of dusty, maximalist antique stalls just four miles down the road.
- Botanica Yemaya — Follow up futuristic bio-hacking wavelength therapy with traditional spiritual supplies, ritual herbs, and folk medicine in Overland.
- The Awakening II — Transition from lying trapped inside a sci-fi therapy pod to standing in front of a 70-foot aluminum giant clawing his way out of the earth.
Good to know
What exactly happens inside the Ammortal Chamber?
You lie back in a specialized bed while four distinct therapies run simultaneously: red light skin exposure, vibroacoustic sound pulsing through your body, molecular hydrogen gas delivered via nose cannula, and guided breathwork audio.
Does this location also have float tanks and saunas?
Yes. Beyond sensory deprivation float pods, the Maryland Heights location offers private infrared saunas alongside the Ammortal Chamber.
What are the hours of operation?
The Maryland Heights location is open Wednesday through Monday from 8:00 am to 9:30 pm. Doors open at 8:00 am.
Plan a visit & invite your people →
Further reading: Official site · ksdk.com · Facebook · Reddit
last checked: 2026-07-21