Top Union Square Adult Birthday Venues

• 1 Adult Birthday Album
• Spaces for 60 Guests
• 1 Bar
• 1 Event Space

Zoe is an exclusive private event space designed for unforgettable gatherings. With a stylish setting, curated cocktails, and exceptional service, we create the perfect atmosphere for any occasion. Book your private event and make it memorable.

• 1 Adult Birthday Album
• Spaces for 10-325 Guests
• 4 Bars
• 1 Ballroom
• 4 Total Spaces

Step into a world of vintage glamour at The Palace Theater, a 1920s-inspired venue nestled in the heart of San Francisco. This stunning space captures the elegance of the Roaring Twenties, featuring secret entrances, sophisticated décor, and a beautifully appointed Cabaret Room. The venue's romantic ambiance is perfect for couples seeking a unique setting to exchange vows and celebrate their love. The Cabaret Room, with its gorgeous stage and vintage-inspired details, offers a dramatic backdrop for your ceremony or reception. The discreet entrances provide an element of surprise and exclusivity, adding to the charm and mystique of the space. Whether you're hosting an elegant affair or a more relaxed celebration, The Palace Theater offers a captivating setting to make your wedding day truly unforgettable.

• 1 Adult Birthday Album

Present our private event venue offers a clean slate with built-in capabilities to bring our client’s dream to life. We’ve celebrated weddings, engagements, product launches conferences, film shoots and more. With a consistent emphasis on dreaming big and the ability to execute any type of event, the sky is the limit. DREAM is the perfect location for all of your social and business events. Our upscale event venue is perfect for a wide range of event formats. If you can dream it, we can make it happen. Our team is here to ensure you have everything you need for a successful event. With us, you’re in great hands!

• 1 Adult Birthday Album
• Spaces for 49 Guests
• 1 Boat

Private sailing charters on the tall ship Gas Light are available! In California, there is no better place to hold an event than aboard a gorgeous sailing vessel on San Francisco Bay. A typical tall ship's sights and noises will excite your senses and transport you to another era. Gas Light is a one-of-a-kind classic tall ship sailing yacht with an expansive deck space and a roomy, speak-easy open salon below. We have had the pleasure of working with a range of different groups and events, and we are excited to share our experiences with you. On your very own private sailing tours, explore San Francisco Bay! Corporate Event. Oracle, YouTube, Facebook, Metric Theory, LLC, Nike, Stitch Fix, Alibaba, Dell, Sales Force, Intuit, Apple, Google, Grand Rounds, Brex, and many others have benefited from our services. Grab your crew and get ready for a team-building experience unlike any other. Tie the Knot with us. The ceremony can be held on board the Gas Light. During the ceremony, our Captain will literally have you two "tie the knot." With its tiny, cozy interior, our ship is ideal for a rehearsal dinner or morning after breakfast. Your trip on Gas Light will also be an unforgettable chance to introduce the bride and groom's family; it will be a topic of conversation for both families for years to come. Celebrate Birthdays. This is an event for people of all ages! Gather up to 49 of your closest friends, family, and coworkers for a birthday to remember! Do you want to see another example of an event? A warm welcome awaits you!

• Spaces for 60-1,500 Guests
• 8 Hotels
• 8 Ballrooms
• 6 Event Spaces

Timeless Celebrations in the Heart of San Francisco Creating unforgettable moments since 1904, The Westin St. Francis offers a legacy of elegance and hospitality on Union Square. As the only hotel with cable cars stopping at its doors, our iconic location places you at the center of the city’s vibrant energy and historic charm. From intimate dinners to extravagant galas, our glamorous venues and attentive service set the stage for every occasion. With over 56,000 square feet of event space, we welcome celebrations of all sizes—including receptions for up to 1,500 guests and seated dinners for up to 800. On the 32nd floor of the Tower Building, Mission Bay and Golden Gate rooms offer unmatched views of the San Francisco skyline through floor-to-ceiling windows. These elevated spaces are ideal for VIP cocktail receptions of up to 400 guests or a romantic wedding dinner for up to 250.

• 1 Adult Birthday Album
• Spaces for 400-685 Guests

Since 1931, Bimbo’s 365 Club has been San Francisco’s premier destination for unforgettable celebrations. With its art deco elegance, state-of-the-art production, and timeless charm, our venue is the perfect backdrop for weddings, galas, fundraisers, corporate gatherings, and milestone celebrations. Our team offers full-service support — from custom floor plans and lighting design to catering coordination and entertainment — ensuring every detail is seamless. Whether you’re hosting an intimate reception or a full-scale event, Bimbo’s delivers an atmosphere your guests will never forget. ✨ Recently named SF Gate’s Best Event Space / Venue in the Bay Area (2025) ✨

• 1 Adult Birthday Album
• Spaces for 65-110 Guests
• 1 Event Space

The looks and feel of our private event space were born out of a desire to celebrate all the momentous occasions in our lives, in the most stylish way possible! And, we want to share this space to provide a beautiful, local, neighborhood venue for others to do the same … a place for your story. Whether that story is a cocktail party, rehearsal dinner, fundraiser … a retirement party, birthday party, intimate wedding or attending one of our workshops or cooking classes… the options are endless. The fun… endless. Whatever it is, the story belongs to you and your guests!

• Spaces for 26-1,000 Guests
• 6 Event Spaces
• 7 Meeting Spaces

Convene 100 Stockton is located in the heart of San Francisco's Union Square neighborhood. The venue features seven unique meeting spaces across 53,000 square-feet and can accommodate events up to just under 470; it is ideal for large conferences, company town halls, product launches, annual kick-offs, and corporate receptions. The location celebrates the city's illustrious weather phenomenon “Karl, the Fog"" with an etherial statement light fixture as well as reflective art and decor. The design is reminiscent of the surrounding landmarked architecture and coastal contemporary elements, including dramatic natural light, stonework, warm woods, and lush greenery. Convene 100 Stockton provides a white box space allowing for client and event branding opportunities, in-house catering with customization options and dining private to each event, in-room A/V technology supported by an on-site team, and dedicated hospitality resources. The location is conveniently adjacent to several paid parking garages and is easily accessible via public transportation.

Host your next wedding, seminar, conference, social event or executive meeting amid 32,000 square feet of flexible indoor venues—including a 9,000-square-foot ballroom that can accommodate up to 1,200 guests—at Hyatt Regency San Francisco Downtown SOMA. Our award-winning executive chef is on-hand to prepare custom banquet and catering menus sure to dazzle your guests for any occasion.

• Spaces for 200 Guests

A sleek, modern event space, bar, and lounge in the heart of San Francisco. Designed to deliver an unforgettable experience, our venue features stunning visuals, state-of-the-art lighting and sound, and a fully customizable atmosphere to bring any vision to life. Whether you’re planning an intimate gathering or a high-energy celebration, the space adapts seamlessly to your needs. Perfect for: Networking Events, Convention Mixers, Birthday Celebrations, Wedding Receptions, Holiday Parties, DJ or Live Music events, and any other occasion worth celebrating! Conveniently located just three blocks from the iconic Moscone Center, our venue is an ideal choice for conference after-parties and corporate gatherings.

• Spaces for 58-80 Guests
• 1 Restaurant
• 1 Hotel

Nestled in the heart of San Francisco, the Jeanne D’arc Event Space offers a unique setting for your next event. Located within the historic Cornell Hotel de France, this space once housed the beloved Jeanne D’arc restaurant, known for its French cuisine and medieval-inspired ambiance. The venue’s medieval charm, combined with modern amenities, makes it the ideal location for intimate gatherings, corporate events, parties, or special celebrations. With a fully equipped kitchen and the flexibility to bring your own catering, we ensure that your event is seamless and unforgettable. With a capacity of up to 80 guests, this venue blends old-world European elegance with contemporary comfort, offering the perfect atmosphere for a memorable occasion. Whether you're hosting a cocktail party, business meeting, or birthday celebration, our team is here to bring your vision to life.

• Spaces for 40-1,200 Guests
• 4 Hotels
• 4 Ballrooms
• 1 Outdoor

In the heart of the city, steps from the Financial District and Moscone Convention Center, the 5-star luxury property, the Four Seasons San Francisco, offers an exceptional setting for your wedding, celebration, or meeting. Your guests will enjoy our newly renovated guest rooms when they stay at Four Seasons San Francisco, decorated in calming shades of white, blue, and grey. The Four Seasons San Francisco offers gorgeous views of the city, and you and your guests will appreciate very last detail from our attentive staff. At Four Seasons San Francisco, you will find exceptional settings including 15,000 sqft of newly renovated meeting and event space, including an outdoor terrace, for business meetings and gala banquets, along with a staff dedicated to making your event in San Francisco a success. If planning your wedding at Four Seasons San Francisco, our event-planning staff will work with you directly to make sure all of your event dreams come to life. The Veranda ballroom at Four Seasons San Francisco offers floor-to-ceiling windows, plus a gorgeous terrace perfect for cocktails and mingling. The staff at Four Seasons San Francisco can also arrange photography, florals, linens, and any other amenity or event professional you might need for your special day.

Get ready, rebels. This is where every good story begins. Check in and leave the status quo behind. Hotel Emblem in downtown San Francisco, where Nob Hill meets Union Square and the Theater District, is a haven for those that think as boldly as they live. Every corner is designed to spark creativity, from bottled cocktails delivered to your door, to the book-filled Writer’s Alcove in the lobby, to the eclectic guestrooms, where patterns play and an expressive vibe thrives. This hotel is a muse – and you will be, too. Ask our Underground Concierge for customized recommendations on under-the-radar local sights that will ignite your curiosity. Or simply sit back and tap out a few thoughts on the lobby typewriter. It will all leave you with a dynamic new outlook.

• Spaces for 20-250 Guests
• 4 Hotels
• 4 Ballrooms
• 1 Meeting Space

In San Francisco, a city of exquisitely edgy contrasts, Hotel Zetta offers a high level of sophistication and service without taking itself too seriously. The vibrant décor and sustainable architecture of our boutique Union Square hotel lend an innovative, creative vibe, while the high-tech conveniences, oversize guestrooms and plush pillow top beds keep things modern and always relaxed. Located in the heart of San Francisco’s famously techy-savvy SoMa district and walking distance to Union Square and Moscone Convention Center, Hotel Zetta invites style-seeking travelers and local professionals to work, connect, play and get inspired during their stay in our boutique hotel. Whether you’re planning a high-level conference, a software launch party or an intimate reception, your next event is destined for greatness at Hotel Zetta. Located in the heart of San Francisco’s vibrant technology center, Hotel Zetta features 2,760 square feet of event space that seamlessly integrates technology and distinctive design with intuitive, sophisticated service. Meetings can be arranged last minute or well in advance, for just one hour or full-day events—all of which provides an unprecedented degree of flexibility and availability for meeting space in San Francisco.

• Spaces for 60-1,550 Guests
• 7 Museums
• 1 Theater
• 7 Total Spaces

Host your event at one of San Francisco’s unique cultural landmarks! Conveniently located in downtown San Francisco, The Contemporary Jewish Museum’s (The CJM) dynamic facility, designed by renowned architect Daniel Libeskind, offers beautiful spaces for all types of special events. Perfect for cocktail parties, seated dinners, wedding receptions, bar/bat mitzvah celebrations, lectures, film screenings, and meetings. The CJM’s proximity to Moscone Center makes it an excellent location for convention-related events.

• Spaces for 400-450 Guests
• 1 Art Gallery

Located in the heart of San Francisco’s Union Square, Maybaum Gallery’s satellite location at 150 Post Street offers approximately 7,000 square feet of flexible, street-level space for events, gatherings, and creative projects. The gallery pairs contemporary art with distinctive architectural details, including soaring ceilings, exposed concrete columns, expansive storefront windows, and professional gallery lighting. An open-plan layout provides a refined yet versatile backdrop that can be adapted for corporate events, cocktail receptions, private dinners, product launches, brand activations, fashion presentations, photo and video productions, and other special gatherings. Throughout the space, thoughtfully curated contemporary artwork creates an atmosphere that feels elevated and distinctive while allowing each event to take on its own identity. Large street-facing windows bring natural light into the gallery during the day, while the scale and openness of the space allow for a variety of event layouts and installations. Situated just steps from Union Square, 150 Post Street is surrounded by luxury retail, acclaimed restaurants, hotels, and cultural destinations, with convenient access to nearby parking and public transportation. Street-level and alleyway access also provide convenient options for event installation and breakdown.

• Spaces for 800 Guests

Located right in the heart of San Francisco, City View at Metreon is newly renovated and suited to host receptions, conferences, and everything else in between. Metreon is remodeled and more upscale than before, the city view has over 31,000 square feet of space that can host anywhere from 200 to 2,000 guests. The City View at Metreon has a magnificent view of the skyline and an outdoor terrace unlike any other making it the perfect venue to host any event.

The British-inspired King George Hotel is anchored by the property’s new Mason Social Club—a multifunctional space that unites the lobby, bar, hotel living room, technology center, and new games room. The 5,600-square foot Mason Social Club combines English charm with 21st century technology and features distinct areas for relaxation, productivity, socializing, and entertainment. Anchored by an impressive bar and iconic red phone booth, Mason Social Club offers a comfortable and welcoming space for visitors and locals alike.

• Spaces for 90-1,000 Guests
• 2 Restaurants
• 1 Bar
• 7 Total Spaces

A timeless icon where original architecture and authentic elements pair with classically inspired, modern décor. Originally established in 1875, the Palace was San Francisco’s first premier luxury hotel and the largest in the world. Throughout her lifetime as a landmark of the city, the Palace Hotel has witnessed history and evolved with the times. Weddings Exchange vows in a venue that carries your voice. Our three ballrooms are airy, elegant and dignified. Walk down the aisle at Sunset Court, our long hall with a glass dome. Sit under crystal chandeliers at Grand Ballroom, offering 9,000 square feet of reception space. Tailor your catering and remember the important moments with AV equipment such as video cameras. Our expert planners create a seamless wedding experience. Our wedding specialists will create an exquisitely authentic celebration for you, ensuring everything from invitations to flowers and menus to décor is taken care of. Custom Personal Touches When you choose to host your event at the Palace Hotel, you will enjoy unequaled service by our expert wedding specialists. Our team looks forward to collaborating with you on inspired, bespoke arrangements that will precisely meet the needs of you and your guests. Inquire about custom-designed wedding packages featuring loyalty award points, complimentary luxury accommodations and more.

• Spaces for 120 Guests

Legendary locations are just the beginning. From chic suites in the city center to sumptuous villas on a secluded Caribbean beach, from poolside cocktails at dusk to two-hour massages in private cabanas, every setting is one of a kind. Viceroy reinterprets history, traditions, and modernity in innovative, uniquely timeless ways. Yet, within each individual environment, certain qualities are welcomingly consistent. Creativity, comfort, and service all make the signature Viceroy experience, where guest needs are always anticipated and graciously accommodated. Equally constant are the accolades earned by our distinctive hotels, including the pages of Conde Nast Traveler, Travel + Leisure, Departures, New York Times, and Vogue.