Almonte Spa

158 Almonte Blvd, Mill Valley, CA 94941

Marin County wellness sanctuary since 1978, nestled under redwoods near Muir Woods. Features private Finnish cedar sauna (190°F+) and infrared sauna. Outdoor hot tubs available separately ($35-55). Also offers massage services. Cold showers available for contrast therapy. 4.5 stars with 162 reviews. Voted Best in Marin.

Price: $35 for 30 minutes

Amenities: soaking tub

Hours: Daily 10am-9pm

Gender policy: Private booking

Clothing policy: Private rooms

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