# Onsen > Japanese-inspired spa features small, thoughtfully designed spaces with steam room, sauna, and hot tub. Atmosphere varies from peaceful oasis to loud and lively, influenced by guest behavior. Amenities include robes, towels, and hot tea, enhancing a clean and authentic experience. Source: https://www.atly.com/location/Onsen - Address: 466 Eddy St, San Francisco, California, United States - Website: https://www.onsensf.com/ ## What it is good for - Cool — 10/10 - Fun Activities — 10/10 - Dinner Spots — 8.3/10 - Bathhouse — 8/10 - Tea — 7.5/10 - Food — 7.5/10 - Sauna — 6.8/10 - Day Lounge — 6.7/10 - Steam Room — 6.7/10 - Authentic — 6.7/10 - Spa — 6.1/10 - Relaxing Spot — 5.5/10 ## What people say - "I loved the unlimited refills of warm mint tea." - "The bathhouse felt like an escape, thoughtfully designed with provided robes and tea." - "It felt like an authentic Japanese oasis, so relaxing and clean." ## Good to know - The pop-up food vendors rotate regularly to provide variety. - Reservations are required to limit visitors and ensure a comfortable experience. - The price for a two-hour visit is $50, which is considered a good deal. - Booking early slots is recommended for a more peaceful experience. - The facility has limited seating, so expect to wait for showers and lounge chairs. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.