# HI San Francisco Downtown Hostel > Hostel occupies an old mansion-style building with antiquated charm and a welcoming atmosphere. It sits on a busy street, making it loud and lively, especially with groups of young travelers. Common areas stay clean and organized, offering a comfortable spot to relax despite the urban noise. Source: https://www.atly.com/location/HISanFranciscoDowntownHostel - Address: 312 Mason St, San Francisco, California, United States - Phone: +14157885604 - Website: https://www.hiusa.org/find-hostels/california/san-francisco-312-mason-street?y_source=1_MTAyMTYxNDgyOS03MTUtbG9jYXRpb24ud2Vic2l0ZQ%3D%3D ## What it is good for - Affordable — 10/10 - Comfortable — 8.8/10 - Quiet — 8.2/10 - Food — 8/10 - Cozy — 8/10 - Bread — 7.1/10 - Day Lounge — 7.1/10 - Wifi — 7/10 - Solo Friendly — 7/10 - Breakfast — 7/10 - Private — 6.9/10 - Reading Spot — 6.7/10 - Work Friendly — 6.4/10 - Eggs — 6.3/10 - Toast — 6.1/10 ## What people say - "The free breakfast has bread, jam, bananas, and coffee." - "I stayed in a private room with a sink, which was a nice plus." - "It's a quiet street, and the neighbors were pretty quiet too." ## Good to know - Free yoga classes are available with a $5 mat rental fee. - Breakfast is served daily at 7:30 AM on the third floor. - A parking garage across the road charges $35 per day. - The hostel hosts regular activities like pub crawls and game nights. - Halloween features special decorations and a small party. ## 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.