Onsen: A Beautiful Japanese-Inspired Spa in the Heart of San Francisco

Discover the serene charm of Onsen on Eddy Street in San Francisco, a thoughtfully designed spa that offers an authentic Japanese bathhouse experience. This intimate and impeccably maintained spa features a hot tub, steam room, sauna, and invigorating cold plunge, all curated to melt away stress and soothe sore muscles.

What sets Onsen apart is its attention to detail — from the fresh towels and robes provided to the rental swimming trunks for convenient visits. The peaceful ambiance is enhanced by Japanese-inspired décor and thoughtful touches like unlimited warm mint tea and carefully maintained water quality.

Onsen’s gendered day system creates a respectful and comfortable environment, allowing guests to fully relax. The staff are friendly and knowledgeable, ensuring every visitor feels welcome and well cared for. Whether you’re stopping by for a two-hour session or pairing your visit with their exquisite dining options, Onsen offers a unique and peaceful escape in the bustling city of San Francisco.