The Ultimate Cold Plunge Guide (2025)

Serious about cold therapy? Many entry-level ice baths let you down with poor insulation, no chilling and messy maintenance. After years of hands-on installs and support, our team at Sauna Marketplace knows what lasts and what doesn’t. This guide focuses on tubs that work, and calls out those that don’t.

The cold plunges that actually deliver

SaunaLife S1

Deep, contoured fiberglass tub wrapped in Thermo‑Pine. Ships assembled and ready for a chiller via standard ports.

• Single-user size
• Thermo‑Pine exterior for long-term durability
• Plug-and-play chiller connections

SaunaLife S2

Same rugged build as the S1 with room for two and matching steps. Ideal for couples or athletes.

• Two-person capacity
• Fully assembled
• Easy chiller hookup

Leisurecraft Polar Plunge

Cedar exterior with your choice of stainless or white HDPE interior. Looks like furniture; add an all-in-one chiller kit later.

• Hand-crafted in North America
• Modern aesthetic
• Upgradeable with pump, filter and ozone

Leisurecraft Baltic Plunge

Classic cedar barrel with an HDPE liner. Ships assembled and pairs with a 110 V chiller to ditch the ice.

• Traditional barrel look
• Low maintenance
• Ice-free with chiller

Why these are better

• Arrive ready to use — no DIY kits or drilling.
• Pair with efficient chillers for clean, cold water 24/7.
• Built from durable materials that look great next to your sauna.

Gallery

Final thoughts

Don’t settle for plastic barrels or unreliable brands. Invest once in a cold plunge you’ll love to use every day.