Entry No. 22 — the San Francisco file — filed under: float tank
Reboot Float & Cryo Spa
Sixty-minute sensory-deprivation float sessions in a saltwater pod loaded with roughly 1,000 pounds of Epsom salt, plus a whole-body cryo chamber that drops to about -166°F for three-minute blasts — so you can go from total silent weightlessness to an arctic shock in the same visit.
The story
Step off Valencia Street—where high-end coffee shops and taco counters share the pavement—and you enter a facility built around physical extremes. Reboot Float & Cryo Spa operates on a simple contrast: total sensory deprivation in 1,000 pounds of dissolved Epsom salt followed by sub-zero temperature shock in a cryogenic chamber calibrated to roughly -166°F.
Floating in lightless, soundproof saltwater pods originated with mid-century neuroscientists studying human consciousness, but Reboot brings the practice straight into the Mission District. You shut the pod's lid, turn off the interior lights, and let 60 minutes of weightlessness strip away external noise. Following that up with a three-minute arctic freeze forces your nervous system through a rapid reset before you head back into the city.
What it's like
You'll check in and be led to a private room equipped with a shower, earplugs, and your float pod. After showering, step into the buoyant, skin-temperature brine—dense enough that floating requires zero muscular effort—and choose whether to leave the halo light on or sink into pitch darkness. The lobby offers a quiet buffer zone with warm tea where you can collect your thoughts after your float or build up the nerve for a three-minute blast in the cryo chamber. Pro tip: rinse off meticulous salt residue before stepping back out, or you'll carry a visible white crust on your skin onto Valencia.
The move: Each take a float pod for an hour of total sensory deprivation, compare notes over tea in the lobby after, then dare each other into the cryo chamber before heading out onto Valencia Street.
- 📍 Mission District, San Francisco
- 💸 $$
- ⚡ Low-key
- 🌗 Indoor or outdoor
Where: 810 Valencia Street, San Francisco, CA 94110
Hours: Added 2026-07-20 — confirm current hours before you go.
⚠ Seasonal or scheduled — always check before you go.
Pair it with
- Paxton Gate — Walk down Valencia Street to browse taxidermy, pinned beetles, and carnivorous plants while your senses recalibrate.
- The Golden Fire Hydrant — Head four blocks west toward Dolores Park to see the quiet neighborhood monument that saved the Mission in 1906.
- Crystal Way — Cross over into the Castro to explore a corner shop lined wall-to-wall with color-sorted minerals and raw crystals.
Good to know
How long do the sessions last?
Standard float sessions last 60 minutes, while whole-body cryotherapy blasts last three minutes at around -166°F.
What do I need to bring for a float?
Nothing mandatory. The float suites are completely private and stocked with towels, earplugs, and shower products, so most visitors float without clothing.
Are there other Reboot locations in the Bay Area?
Yes, Reboot also operates locations in San Francisco's Marina District on Lombard Street and in Oakland's Rockridge neighborhood.
Plan a visit & invite your people →
Further reading: Official site · Yelp
last checked: 2026-07-20