Top Union Square Engagement Party Venues

• Spaces for 40-350 Guests
• 1 Hotel
• 1 Ballroom
• 4 Total Spaces

The St. Regis San Francisco, a Forbes Five-Star luxury hotel, is renowned for its gracious, bespoke service and exceptional accommodations. Combining classic sophistication with a modern sensibility, St. Regis is committed to delivering exquisite occasions and creating indelible memories. Experience style and service like nowhere else. The St. Regis San Francisco seamlessly transforms your vision for your special day into an exquisite celebration. Our experienced Event Planners demonstrate extraordinary care to reflect your unique taste and the time-honored tradition of St. Regis excellence. Poised at the city's Best Address, the hotel is centrally located in the heart of SoMa District and surrounded by magnificent city views. From the intimate refinement of the Conservatory to the al fresco delights of the Yerba Buena Terrace and the sweeping elegance of the Gallery Ballroom with its soaring wall of glass, our venues are designed to transcend your expectations. Whether you are planning an intimate gathering or a grand celebration, our distinctive venues can accommodate ceremonies and receptions from 50 to 270 guests.

• Spaces for 12-500 Guests
• 1 Restaurant
• 6 Hotels
• 6 Ballrooms

W San Francisco is a stylish, cutting-edge events destination where celebrations are dynamic and meetings are anything but ordinary. DOWNTOWN SAN FRANCISCO WEDDINGS Celebrate your wedding at W San Francisco and enjoy access to unique banquet room venues, original amenities and inspired catering. Our team will help to design a downtown wedding celebration to perfectly match your style – from modern and chic to bold and daring. We host GREEN MEETINGS Think an eco-friendly event has to skimp on style? W San Francisco can make sure your meeting is marvelous and that your wedding is a wonder, all while minimizing the impact you make on the environment. SPARKLE + SHINE AT W SAN FRANCISCO With vibrant indoor and outdoor spaces, scene-stealing design, creative cuisine, daring libations, and supreme service, get excited about planning a San Francisco celebration that is unmistakably you. We'll help to ensure your personal spin and style illuminate your special day.

• Spaces for 14-900 Guests
• 13 Hotels
• 13 Ballrooms
• 2 Outdoor Spaces

Immerse yourself in the heart of the city at The InterContinental® San Francisco hotel. Our prime location in the heart of San Francisco, near Moscone Center & Union Square, allows you to explore the city's culture & charm while enjoying elegantly appointed rooms & luxurious amenities. Host your next event in our beautifully customizable meeting rooms and ballroom, while an elevated dining experience awaits you at our Luce restaurant and Bar 888. Allow the professional event planners of InterContinental® San Francisco to design a magical wedding memory you’ll treasure forever. With several flexible San Francisco wedding venues, high-touch planning services, and renowned onsite catering, we'll help you craft the California wedding celebration of your dreams.

• Spaces for 100-500 Guests
• 1 Event Space

Established in 1993 in downtown San Francisco, 111 Minna Gallery is in the business of Art and Leisure. The gallery showcases a unique blend of local and international artists, world-class DJ’s, live performance, and film screenings in an elegantly urban and ever-changing 4,000 square foot space. The gallery is open to the public and nightly on a rotating schedule for special events large enough for 500 people. The space evokes the dramatic effect of an urban industrial warehouse with 16ft high walls, floor to ceiling windows facing out on 2nd Street, exposed piping overhead, original hardwood floors, and monthly rotating art exhibitions. With 4,700 square feet of open space, 111 Minna Gallery can support two independent events – accommodating groups from 50-500. Each space has a fully stocked bar, sound system, separate entrances, and a raised stage. 111 Minna Gallery is perfect for clients wishing to host events in conjunction with conferences at Moscone Center.

• Spaces for 200-250 Guests

This versatile event space is ideal for hackathons, workshops, conferences, corporate off-sites, product demos, and team training sessions. Designed for both functionality and ambiance, the venue features a spacious main area and multiple breakout rooms, offering a flexible setup for diverse event needs. Located in San Francisco’s vibrant SoMa neighborhood, this full-production venue is equipped with premium AV, including a large LED wall and a Bose sound system. • Main Event Room: Large & customizable open space for up to 250 guest seated. • Workshop Room: Accommodates up to 40 attendees. • Podcast Room: Ideal for recording sessions, with acoustic treatment and recording equipment available upon request. Equipped with Blackmagic cameras and Shure SM7B microphones. • Breakout Rooms: 8 separate breakout spaces, accommodating 4 to 10 people each, adaptable for various team setups. Amenities: • LED wall for dynamic visuals • Bose sound system for clear, immersive audio • Livestream studio setup • Wheelchair accessible • Kitchen area with fridge and microwave • Private rooms for focused discussions • Ethernet and high-speed Wi-Fi (1Gb up & down) • Ample electrical outlets On-Demand Services: • Our team provides end-to-end event management, including live streaming and recording capabilities for high-quality content capture.

• Spaces for 350-750 Guests
• 1 Museum
• 1 Landmark

Julia Morgan Ballroom is the perfect venue to host an event of any sort in San Francisco. The large, raw space with eclectic decor is great for weddings, galas, fundraisers, or corporate events. The gorgeous interior of the Julia Morgan Ballroom is Beaux-Arts inspired, with top of the line modern amenities. Julia Morgan Ballroom's team of production professionals ensures nothing less than perfection for all events. Julia Morgan Ballroom is located in the Merchants Exchange in downtown San Francisco. Guests can enjoy San Frans iconic cable cars as Julia Morgan Ballroom is located on the California St. car line.

• Spaces for 15-200 Guests
• 2 Restaurants

Aphotic, from the Greek “without light,” makes reference to the layer of the ocean that receives less than 1% of sunlight. Located in SoMa and walking distance from The Moscone Center, Aphotic is a best practice seafood restaurant from Chef Peter Hemsley focused on transparency and traceability, providing the freshest direct-sourced seafood and highlighting the best of California’s bounties.

• 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.

• Spaces for 50-500 Guests
• 3 Event Spaces

Alloy Collective creates event experiences that allow guests to forget where they are. We are a fully customizable event venue, an arts & innovation hub, and a community-oriented collaborative workspace located in San Francisco. Whether you’re looking to host a product demo, a professional networking event, or a private food tasting, Alloy is the space for you. With three separate floors, including rooftop access with breathtaking views of the San Francisco skyline, Alloy Collective is perfect for hosting a small get together or a large gathering. Alloy Collective is much more than a venue — it’s an experience. With a modern architectural flare and the capacity for customization, Alloy Collective aims to be an event production service that is truly one of a kind. We are a team made up of unique creative professionals breaking the industry boundaries to design exceptional experiences for top cliental nationwide. Pricing based on venue rental rates and production services.

• Spaces for 750-1,600 Guests
• 1 Event Space
• 1 Historic Space
• 1 Meeting Space

Located in the heart of San Francisco’s Design District, the San Francisco Design Center (SFDC) Galleria is a premier destination for large-scale events. The Galleria is a versatile, architecturally stunning event venue ideal for weddings, corporate events, galas, and product launches. With the capacity to host anywhere from 100 to 1,600 guests, the Galleria offers a flexible layout that includes polished hardwood floors perfect for dining or dancing, in-house lighting, a built-in bar, and a raised stage for live entertainment or presentations. Whether you're planning a milestone celebration or a high-profile brand activation, the SFDC Galleria offers flexibility, visibility, and expert on-site support in a vibrant setting.

• Spaces for 10-85 Guests
• 3 Event Spaces
• 1 Meeting Space

Located in San Francisco’s South of Market convention district, The Box SF is an elegantly cool private meeting and event space perfect for small daytime, corporate meetings, classes and workshops, as well as creative off sites. Once the William Randolph Hearst newspaper printing plant, The Box SF has a historic feel that is showcased through warm wood and original 1920’s windows, balanced by a modern industrial loft feel. The Box SF even has a historic letterpress printing shop and 1850s mercantile on the first floor. Choose The Box SF for your next corporate gathering, team-building offsite, holiday party, intimate party, or other event. Each separate event space at The Box SF has a modern-rustic vibe that can be perfectly transformed to suit your event needs.

• Spaces for 30-700 Guests
• 2 Restaurants
• 2 Outdoor Spaces

Chambers is the ideal meeting spot for any occasion, since it is conveniently located in the heart of the city, just 3 blocks from the San Francisco Civic Center and 6 streets from Union Square. Smaller parties feel pleasant in any of our little corners, even though we have ample capacity to accommodate celebrations of 700 or more attendees. Our Spaces The Horseshoe: The horseshoe is the focal point of our lounge and is ideal for informal meetings of 5-30 people. This location, which is just next to our DJ Booth and Lounge Bar, can serve as a semi-private home base for your party. The Lounge: This is where the party takes place! Our lounge has a capacity of 20-150 people and can be rented out on a semi-exclusive or full-exclusive basis. To suit any type of event, there is a complete bar, DJ booth, and an 80" flat screen television. The Patio: Drink in the gorgeous view of the pool and palm trees in our private oasis while enjoying cocktails at our super secret pop-up bar! Worried about Karl the Fog? We have wind barriers and outside heaters that will keep you comfortable while you enjoy the party. Each patio can fit up to 40-50 seated guests. The Courtyard: The pool-side courtyard, which can hold gatherings of up to 500 people and can be customized to fulfill practically any purpose, is ideal for bigger scale events. There is a fire pit and two independent cabanas that may be set up for smaller, more intimate gatherings. Seated dinners can fit up to 250 guests. Chambers Buyout- Can’t decide on which space? Rent out the whole venue! Max capacity is 700 guests.

• 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.

• Spaces for 150-250 Guests

Welcome to “Keys”…a sacred historical space in San Francisco, CA, dedicated for the art and culture of jazz music…America’s original musical art form! We are proud to present the best of our Bay Area jazz artists, along with their National and International peers. Presenting live performances five nights a week, we are open to music fans of all ages. With a dedicated bar and lounge, we welcome you to stop by for a snack and quick drink if you're ever in the neighborhood. Our shows are held in our Listening Room, an intimate setting where the musicians are our focus. With full service during the show, you're welcome to enjoy dinner from our kitchen or dessert if you need something sweet! We look forward to seeing you for a show or event soon!

• Spaces for 1,000 Guests

With its beautiful and classy décor, attractive and sophisticated interior and a heap of production details, The Grand Nightclub redefines nightlife entertainment in San Francisco. The club strives to bring a unique nightclub experience to the Bay Area with the high level of energy that can be found all over the club from its lavish VIP table seating to the five levels that are all available for clubgoers to get their partying on. At The Grand Nightclub, guests are sure to immerse themselves in the ultimate nightclub experience. Its high-budget production strives to craft the most lux night for its guests. Come spend a night here to experience the full revelry that is The Grand Nightclub in San Francisco!

• Spaces for 6-900 Guests
• 1 Ballroom
• 3 Landmarks
• 3 Total Spaces

The Avalon SF, is more than just a venue – it's the return of a San Francisco icon. Once a stage for movements and music that shaped a generation, The Avalon is open for new ideas, new connections, and the next wave of history. Equipped with flexible spaces, modern amenities, advanced technological capabilities and 30k+ sq ft across 3 levels, The Avalon is the perfect canvas for events of every style and scale.

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!

• Spaces for 700-1,400 Guests

Built in 1909, The Regency Center is considered the finest example of Scottish Rite temple architecture in the country, featuring Gothic, Neoclassic, and Beaux-Arts styles. The building has housed a Masonic Temple, a dance studio, the Polish Arts Foundation, and a movie theater. Recently restored to its original splendor, this landmark offers three levels of unique gathering space. This versatile San Francisco landmark offers three separate venues - The Regency Ballroom, Social Hall, and Lodge - each with unique architectural characteristics and an array of accompanying rooms. Capacities range from 70 up to 1,000 with the entire facility accommodating up to 2,000 guests in combined occupancy. Whether you are planning the wedding of your dreams, a corporate seminar, an elaborate reunion, or a celebratory bar or bat mitzvah, you will find The Regency Center to be a distinctive and imaginative choice. We invite you and your guests to relax and indulge yourselves in this exceptional venue, and let us demonstrate why we are the ideal setting for your next special event.

• Spaces for 40-250 Guests
• 3 Restaurants
• 1 Outdoor
• 1 Event Space

Mars Bar Restaurant is a great venue located south of market in SF. We have a huge back area that is perfect for bands, DJ's, birthdays, banquets, and many other celebrations. We have two outside patios. The garden patio and the larger under the big top tented patio. The tented patio can be configured for events that are casual to full blown elegance. We love small events as well as large ones. Any questions, please just ask. Thanks

• Spaces for 120-140 Guests

524 Union Street, formerly the Paper Doll, a designated San Francisco landmark; an original hidden gem full of magic, ready for your special event, wedding dinners, birthdays, corporate events, pop ups and more. Located in a Victorian, 524 captures European charms and Bohemian ambience along the Barbary Coast trail in the heart of thriving post pandemic North Beach, steps from Coit Tower and Washington Square Park. Featuring two separate dining rooms and bars, raised stage areas, equipped kitchen, door to door loading, corner front and private San Francisco alley entry way, rustic details, stain glass, a working fireplace, and more. The Paper Doll is noted as the first LGBTQ restaurant, and a front line of civil rights and 524 Union Street is one of the oldest pre-earthquake locations for food and drink.