Mist rising over still thermal water in a minimalist concrete chamber

Est. Optimal Health · Nº 001

Stillness, engineered.

A futurist sanctuary where heat, water and light are calibrated as precisely as medicine — for the cellular work of becoming well.

Begin the protocol →

42°C / 11°C / 432Hz

Thermal contrast ◦Cold immersion ◦Breath protocols ◦Infrared ◦Mineral hydration ◦Sound therapy ◦Thermal contrast ◦Cold immersion ◦Breath protocols ◦Infrared ◦Mineral hydration ◦Sound therapy ◦Thermal contrast ◦Cold immersion ◦Breath protocols ◦Infrared ◦Mineral hydration ◦Sound therapy ◦

Manifesto

We don't sell wellness.
We engineer the conditions
in which the body returns to itself.

Every protocol at Sturli is built on a single premise — that the human system is not broken, only over-stimulated. Heat opens. Cold seals. Silence resets the nervous baseline.

Our chambers are calibrated to the kelvin, the decibel and the mineral milligram. Nothing here is decorative. Every surface, temperature and frequency exists because the cell asked for it.

What you leave with isn't a feeling. It's measurable — parasympathetic tone, HRV, inflammatory markers, sleep depth. Wellness, finally, as a science.

Minimalist sauna chamber with single shaft of warm light over a stone bench

Chamber I · Heat

The cell awakens.

A 42°C dry-heat chamber lined in vertical cedar, calibrated to induce a controlled heat-shock response. Twenty minutes here equals a low-grade cardiovascular workout.

Duration 20 min · Intensity 7/10

Overhead view of still circular thermal pool with ripples

Chamber II · Water

The system resets.

Mineral-balanced thermal water at body temperature. The nervous system, deprived of effort, finally exhales. We measure HRV before and after.

Duration 25 min · Intensity 2/10

The Sanctuary · Live

A room that breathes
with you.

Twelve chambers. One choreography of heat, vapour and silence — paced to your nervous system in real time.

Person in linen robe walking through misty corridor lit by warm amber light

Chamber III · Transition

The threshold holds.

A vapour corridor between heat and cold — neither destination, only passage. The transition itself is the medicine.

Duration 6 min · Intensity 4/10

Measured Outcomes

What the body reports back.

Findings from a 12-week longitudinal study of 240 Sturli members, measured against baseline biomarkers.

42°C

Steam chamber

11°C

Cold plunge

94%

Report deeper sleep

+38%

HRV after 6 visits

Reserve a Session

Begin where
the noise ends.

Sessions are 90 minutes, capped at twelve guests, and begin every day at sunrise and dusk. Bring nothing. Leave the rest.

Sturli Sanctuary · 14 Wharf Lane · Auckland

+64 9 000 0000 · hello@sturli.com