PLUNJ opens St. George sauna and cold plunge studio with memberships
PLUNJ’s St. George studio locked in a 175-190°F sauna, a 45-50°F plunge, and two membership tiers built for both drop-ins and regulars.
PLUNJ’s new St. George studio made its pitch in hard numbers: a sauna held at 175 to 190 degrees with about 20% humidity, and a cold plunge kept between 45 and 50 degrees for up to four people at a time. That fixed setup gave the location at 558 E Riverside Dr, Unit 111 a clear identity from day one, with bookable sessions listed across Saturday, May 16, alongside drop-in access and memberships.
The structure was built for different kinds of members, not just one kind of plunge regular. PLUNJ said many guests spent 10 to 15 minutes in the sauna before moving into the plunge, then stayed in the cold water for 30 seconds to 5 minutes depending on tolerance and goals. That workflow made the studio feel less like an open-ended wellness room and more like a guided contrast-therapy circuit, with the temperature ranges doing some of the decision-making for first-timers who want a simple entry point.
The membership model sharpened that split. Lagom, the lower-cost tier, covered four visits every four weeks and fit the curious first-timer or casual visitor who wants to sample the routine without committing to an unlimited plan. SISU, the higher-end tier, offered unlimited access and was capped at 50 members before the price rose, a setup that clearly favored routine contrast users and performance-focused regulars who already know they want the sauna-plunge cycle built into their week.
That preset approach also answered a bigger question in the ice bath world: whether removing temperature choice makes the experience safer and simpler, or just too rigid for experienced plungers who like to dial things in. PLUNJ’s St. George studio leaned toward clarity and consistency, with one sauna range, one plunge range, and a membership funnel that rewarded repeat use over one-off curiosity. For a category that can get messy fast, the brand’s appeal was its discipline, and that made the new studio easy to read before anyone even stepped into the water.
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