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Affiliate links · Last verified 2026-05-21 · 🌍 Outside the US? Amazon and eBay will redirect you to your country's local store automatically.
The Story
After graduating from Penn State, Mike Garrett worked in finance, but he soon found that his passion lay in float therapy. He first built a float tank for himself, then opened Reboot Float & Cryo Spa in San Francisco.
The Pitch on Shark Tank
Plunge Cold Water Immersion appeared on Shark Tank (Season 13) in 2022. Penn State pitched the product to the Sharks.
Frequently Asked Questions
Is Plunge Cold Water Immersion still in business?
Plunge Cold Water Immersion is still listed on Amazon and eBay — see the buy links below for the latest availability.
Who founded Plunge Cold Water Immersion?
Plunge Cold Water Immersion was founded by Penn State.
Did Plunge Cold Water Immersion get a deal on Shark Tank?
Deal details from the original pitch aren't in our records.
Where can I buy Plunge Cold Water Immersion?
Plunge Cold Water Immersion is available on Amazon and eBay. We compare current prices across both at our /results page — link below.
Related from Shark Tank
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