Hot 8 Yin Yoga Studio in the Marina: 108-Degree Long Holds

Hot 8 Yoga's San Francisco Marina studio at 3322 Fillmore St teaches yin in a room heated to 108 degrees, which makes it the outlier among yin yoga studio options in the city. Classes are 60 minutes, a single drop-in costs $39, and the weekly schedule carries Yin at 7:45 pm on Monday and Tuesday, a Candlelight Yin on Wednesday at 7:45 pm, and 5:15 pm slots on both weekend days.

Hot 8's class guide describes Yin as a slow-moving class that targets connective tissue, using blocks and straps, with long holds in 108-degree heat for one hour. Most yin teachers keep the room cool so the muscles relax on their own. Here the heat does some of that softening for you, so a dragon or a saddle pose can feel deeper within the first minute than it would in a cool room.

The trade-off is that heat can tempt you to push past the point where yin is meant to stop. The safer approach is to take each pose to the first clear sensation and stay there, even if the warm room says you could go deeper. Drink before class rather than relying on water during long holds, and leave the heavy lifting to the faster heated classes on the same schedule. If you feel light-headed in a long hold, come out of the pose and lie flat on your back, which is always allowed in a yin class.

Shea T teaches the Monday 7:45 pm Yin and also the Wednesday Candlelight Yin at the same time, which is the one to book if you want the room as dark as it gets. Elise V teaches Tuesday at 7:45 pm. Natalie S has both weekend slots at 5:15 pm, a good time to fit yin between an afternoon outside and dinner.

The music is the other thing that sets these classes apart. The schedule describes the yin as set to the smooth, steady rhythms of deep house music, so expect a low beat under the holds rather than silence or chimes. On October 22 the studio added a one-off Luminous Full Moon Yin, a sign that special themed yin evenings appear on the calendar from time to time.

Hot 8 is a chain, and its FAQ dates the brand to 2010. The Marina location is recent: its page still says Now Open and advertises a last chance for founding memberships. The schedule lists two rooms, Studio 1 and Studio 2, so yin can run in one while a sweatier class runs next door, and you will see people arriving with full gym bags for both.

Who comes to a heated yin class on Fillmore Street at 7:45 pm? The class suits people who already take hot vinyasa or sculpt and want one slower night a week without giving up the heat, runners who log miles along the Marina Green and want warmth on tight hamstrings, and anyone who feels cold and stiff in a standard yin room. If you prefer quiet and cool, an honest suggestion is to skip this one and book an unheated yin class instead.

A single drop-in is $39 and never expires. The 10 class pack is $369. Unlimited is $239 a month, the Executive membership is $289 a month, and a five-classes-a-month plan is $159. For first-timers, the Welcome Week offer is $39 for seven days, which is the same as one drop-in and lets you try Monday yin, the Wednesday candlelight class and a weekend slot inside one week.

If yin is the only reason you are coming, the Welcome Week is the clear first move, followed by the five-class monthly plan if you settle into one class a week. The 10 class pack at $369 brings each visit to just under $37, a small saving over the drop-in that is only worth it if you dislike monthly commitments.

The FAQ is blunt: latecomers will not be let into class, no exceptions. Cancel with at least two hours' notice to avoid losing the booking. Arrive early enough to set up blocks and a strap before the door closes, because fetching props in a dark candlelit room disturbs everyone already lying still.

Mats and towels are available to rent, which helps if you are coming straight from work. The Marina studio advertises high-pressure private showers and chilled eucalyptus-infused face towels, and both are welcome after an hour in 108 degrees. Bring a change of clothes, as the heat leaves you damp even though yin barely raises your heart rate.

The Palace of Fine Arts is a short walk northwest of Fillmore Street. Originally built for the 1915 Panama-Pacific Exposition, it is at its most atmospheric after dark, and a slow loop around its lagoon is a good way to cool down after a weekend 5:15 pm class. On a cold, foggy evening, keep a jacket with you, since stepping out of a heated room into Marina wind is a shock.

If the Monday or Tuesday class is full, the Wednesday Candlelight Yin at the same time is the natural fallback, and the weekend 5:15 pm slots are the easiest to get into for people who cannot leave work by 7:30 pm. Booking through the Mindbody schedule shows remaining spots, so check it on the morning of class and decide then.

Address: 3322 Fillmore St, San Francisco, CA 94123, in the Marina. Yin: Monday and Tuesday at 7:45 pm, Candlelight Yin Wednesday at 7:45 pm, and Saturday and Sunday at 5:15 pm, 60 minutes, heated to 108 degrees. Drop-in $39, Welcome Week $39 for seven days. Mats and towels for rent, showers on site, no late entry, and a two-hour cancellation window. Bring water and a change of clothes.