In the United States, 6 of the curated saunas fit this cut. See the full the United States country guide for every venue, or keep scrolling for just the mobile saunas.
Every mobile sauna in United States
Bywater Sauna
$$Seattle, United States
Sauna sessions run beside open water at Golden Gardens and Alki Beach, with two further sites through the colder months. Sessions of 60 or 75 minutes are booked online in advance, and guests cycle between the sauna and the water at their own pace. Bring your own towel, and there are outdoor rinse showers.

Drip Nordic Sauna
$$Asheville, United States
Outdoor wood-fired Nordic sauna site in Woodfin, about ten minutes north of downtown Asheville, overlooking the French Broad River. Cedar saunas, cold plunge tubs, a fire pit and outdoor lounge tents, designed around being outside rather than in a building. Community drop-in, private bookings and full-site rentals all run, plus a separate mobile sauna.

Good Hot
$$$Richmond, United States
Good Hot calls itself a deconstructed bathhouse: five private wood-fired saunas along the Point San Pablo coastline. The cold side of the cycle is San Francisco Bay itself, with outdoor showers for rinsing afterwards. Each sauna goes to one group, and the project subsidises low-income QTBIPOC visitors with discounted sessions and Uber reimbursement.

Hot Rocks Sauna Club
$$Seattle, United States
A wood-fired cedar barrel sauna that sets up on the shore at Alki Beach Park in West Seattle, with the cold plunge taken in Puget Sound. Sessions run Thursday to Saturday and the barrel seats a dozen or so, and the exact spot on the beach follows the operator's parks permit. The barrel can also be hired privately.

Little Ember Co
$$Minneapolis, United States
Two wood-fired saunas parked at Cedar Lake Point Beach in Minneapolis, running 75-minute sessions with cool-downs in the winter air, the snow or the lake. Seats are sold singly or in packs of four, and both saunas can be taken together for a group of ten. The site runs Thursday to Sunday from November to March.

Red Rock Sauna
$$Denver, United States
A cedar barrel sauna and cold plunge set up in the yard at Hogshead Brewery in north-west Denver, running community sessions seven days a week. A 50-minute booking covers the sauna, plunge, outdoor shower and a fire-pit lounge, shared with up to ten other people. Spare places go to walk-ins.
