# Modern hotels in Union Square, SF > A hotel that embraces modern design without sacrificing the comfort of a lived-in space. Source: https://www.atly.com/united-states/california/san-francisco/union-square/best-hotel-modern ## Places (9) ### 1. The Inn at Union Square San Francisco Small boutique hotel with historic charm and cozy, quiet rooms offers a relaxed atmosphere despite city center location. Original wood and brass features blend with modern finishes to create a unique character. Compact spaces mix with some spacious areas, providing a varied layout. - Address: 440 Post St, San Francisco, CA 94102, USA - Atly: https://www.atly.com/location/TheInnAtUnionSquareSanFrancisco ### 2. Hotel Nikko San Francisco Hotel offers quiet rooms with breathtaking views and a rooftop indoor pool. The atmosphere is cozy and welcoming, with clean, elegant common areas and thoughtful details. Amenities include a 24-hour gym, sauna, and a lounge with snacks and drinks. - Address: 222 Mason St, San Francisco, CA 94102, USA - Atly: https://www.atly.com/location/HotelNikkoSanFrancisco1 ### 3. Axiom Hotel Old building blends modern elegance with classic charm and features detailed-oriented design throughout. Rooms are quiet and cozy despite downtown location near busy streets and cable car terminal. Amenities include a well-equipped gym, game room with arcade games, and robot-delivered room service. - Address: 28 Cyril Magnin St, San Francisco, CA 94102, USA - Atly: https://www.atly.com/location/AxiomHotel ### 4. San Francisco Marriott Union Square Rooms offer breathtaking city and bay views from high floors with modern, spacious design and comfortable beds. Lobby feels intimate and less busy compared to larger hotels nearby. Guests enjoy perks like electric bike and cable car passes that enhance local exploration. - Address: 480 Sutter St, San Francisco, CA 94108, USA - Atly: https://www.atly.com/location/SanFranciscoMarriottUnionSquare ### 5. The Cartwright Hotel - Union Square, BW Premier Collection Historic building blends antique charm with modern touches like ample outlets and USB ports. Rooms feel compact yet comfortable, featuring cozy fireplaces and comfortable beds that offer quiet rest despite a lively urban setting. - Address: 532-536 Sutter St, San Francisco, CA 94102, USA - Atly: https://www.atly.com/location/The-Cartwright-Hotel---Union-Square-BW-Premier-Collection ### 6. Hotel Stratford Small rooms feature modern furniture and paper-thin walls with natural light from a light well. Street noise from nearby cable cars creates a loud atmosphere that affects sleep quality. Location offers easy access to public transit and city nightlife. - Address: 242 Powell St, San Francisco, CA 94102, USA - Atly: https://www.atly.com/location/HotelStratford ### 7. Grand Hyatt San Francisco Rooms offer amazing views toward the bay and airport with automated curtains and thoughtful bedside controls. The atmosphere is constantly noisy from early morning until late evening, with loud street activity and protests nearby. Amenities include a rooftop event center and a gym that varies in organization. - Address: 345 Stockton St, San Francisco, CA 94108, USA - Atly: https://www.atly.com/location/GrandHyattSanFrancisco ### 8. Handlery Union Square Hotel Historic hotel blends renovated modern style with spacious rooms and outdoor heated pool. Atmosphere varies from quiet and comfortable in rooms to noisy surroundings including street and courtyard sounds. Central location offers easy access to city highlights and public transit. - Address: 351 Geary St, San Francisco, CA 94102, USA - Atly: https://www.atly.com/location/HandleryUnionSquareHotel ### 9. FOUND Hotel, San Francisco Hotel occupies an old building with modern rooms and secure entry requiring key access. Atmosphere is noisy, especially on weekends, with thin walls allowing sounds from neighboring rooms to carry. Location is central and convenient, surrounded by a quiet but challenging neighborhood. - Address: 140 Mason St B, San Francisco, CA 94102, USA - Atly: https://www.atly.com/location/FOUND-Hotel-San-Francisco ## 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.