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So long, cocktails; hello, electrolyte drinks. Are group health events becoming the city’s preferred way to gather after dark?

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A sauna room with several people relaxing. Two individuals are soaking in rectangular hot tubs filled with water, one man and one woman. A woman in a black dress is walking through a doorway. Another woman in a black bikini sits on a wooden bench inside the sauna, while a woman with short white hair in a white top and black bottoms sits on a bench outside the sauna. Towels are neatly rolled and stored on shelves, and pink towels hang on hooks near the doorway. The floor is tiled with a geometric pattern.

Illustration by Jeannie Phan

For years, wellness was a solitary pursuit—early-morning workouts, solo spa appointments, quiet meditation apps. Now, a more collective approach is taking hold, reframing self-care as something to be shared. From candlelit sound baths to evening spa takeovers to communal ice baths, group wellness experiences are emerging as a new way to socialize—one rooted in restoration rather than reservations.

At the forefront locally is Spa After Dark, a new monthly series at the Spa at Mandarin Oriental, Boston. Held on the third Wednesday of each month, the hotel opens the spa after hours for a guided contrast-therapy experience designed to be both social and deeply restorative. Guests rotate between the sauna, vitality pool, and cold-water immersion under the direction of a trained professional, who enhances the sauna ritual with essential oils poured over hot stones, creating waves of aromatic heat.

Spa director Heather Hannig says the concept grew from her own love of thermaculture—the ancient practice of alternating heat and cold for physical renewal. When she started working at the property last year, she realized that the spa’s private suite, sauna, and soaking pools made it possible to translate that ritual into a shared, guided activity. The goal was to create something experiential rather than transactional: guests in swimsuits moving through multiple rounds of heat and cold, then lingering in lounge spaces to rehydrate and connect.

The shift to a more social experience—complete with nonalcoholic beverages, electrolyte-rich drinks, and food designed to support the body—was intentional. “As opposed to a dinner out or a bar experience, we were seeing that there’s an appetite for more group experiences that are wellness-focused, where people can socialize in this setting,” says Danielle McNally, director of marketing and communications for Mandarin Oriental, Boston.

A man and a woman sit inside a wooden sauna. The man, wearing black shorts, is seated on the left side with his hands clasped and looking toward the woman. The woman, wearing a black bikini, is seated on the right side with one knee bent and her arms wrapped around it, looking toward the man. The sauna has wooden slatted walls and bench seating.

Courtesy Remedy Place Boston

This desire for collective wellness extends beyond hotel spas. At Remedy Place Boston, guests gather for communal ice baths, sauna sessions, and breathwork in a sleek, club-like environment that prioritizes recovery and connection. Release Well-Being Center in Westborough similarly taps into the power of group energy through workshops featuring sound baths, singing bowls, and guided practices aimed at nervous-system regulation. After all, these days, social currency isn’t about cocktails—it’s about how good you feel the next morning.

This article was first published in the print edition of the March 2026 issue with the headline: “The New Happy Hour.”

Related: Is Wellness Culture Ruining Social Fun?