Top Union Square Cocktail Party Venues

220 results near Union Square, San Francisco, CA

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Choosing your cocktail party venue will be one of the most important steps in the planning process. So much goes into finding the perfect venue in Union Square. You’ll want to consider everything from the aesthetics of the space to any in-house amenities and services. Luckily, PartySlate makes it easy with our Find Venues page. Use the filters to narrow your search — taking into account everything from your guest count to specific catering preferences. Once you’ve set your filters, scroll down to search our curated list. Look for the “featured” tag for PartySlate’s top recommendations. With PartySlate, finding your ideal Union Square venue has never been easier.

  • Featured photo from Maybaum Gallery

    Maybaum Gallery

    150 Post St, San Francisco, CA 94108, USA
    • 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.

    Avg response time 1-2 days
  • Featured photo from City View at Metreon

    City View at Metreon

    135 4th St #4000, San Francisco, CA 94103, USA
    • 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.

  • Featured photo from King George Hotel

    King George Hotel

    334 Mason St, San Francisco, CA 94102, USA

    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.

  • Featured photo from Palace Hotel San Francisco

    Palace Hotel San Francisco

    2 New Montgomery St, San Francisco, CA 94105, USA
    • 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.

    Avg response time 6-12 hrs
  • Featured photo from Hotel Zelos

    Hotel Zelos

    12 4th St, San Francisco, CA 94103, USA
    • 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.

  • featured

    715 Harrison St

    715 Harrison St, San Francisco, CA 94107, USA
    • Spaces for 125-2,000 Guests
    • 1 Landmark
    • 2 Event Spaces
    • 1 Historic Space

    Located in the heart of San Francisco’s SOMA district — just two blocks (a 3-minute walk) from Moscone Convention Center — our 15,000 sq. ft. versatile event space is designed to bring your vision to life without red tape. With three unique rooms, two dance floors, and three full-service bars (plus optional mobile bars), our venue can host events of all ages, from intimate gatherings to 2,000 guests on a flow. Whether it’s a corporate event, product launch, festival, or private celebration, we deliver a turn-key experience with flexibility you won’t find elsewhere. Venue Rental Includes On-site Managers & Licensed Security Guards In-house Event Coordinators (vendor sourcing & quotes) Bar Manager & Professional Bartenders Concierge & Coat Check Janitorial Staff during event & Post-event Cleaning Access to All In-House A/V: $650,000 State-of-the-Art Sound & Intelligent Lighting System Large LED Wall (Pearl Room) Sound Panel LED Wall 2 DJ Booths 7 Stadium-Style LED Screens 2 Gobos (One indoor, one outdoor) In-house Furniture (High Boys, Bar Stools, Private Booths, Sofa Seating) Venue Highlights Prime SOMA location — minutes from downtown hotels, restaurants, and Moscone Limitless branding & activation opportunities (LED screens, gobos, custom signage) Two optional parking lot rentals for outdoor activations: Lot 1: fits 40–50 guests Lot 2: fits 125–150 guests No sound ordinance, all ages allowed, open 24 hours State-of-the-art concert-ready sound & lighting included in rental fee Three distinct spaces to create different vibes for a seamless guest flow Why Choose Us? As an independent venue with all permits in place, we offer full flexibility for your event — no red tape, no restrictions on creativity. Our experienced team will simplify planning and execution, so you can focus on enjoying the event. Let’s make your vision a reality. Contact us today to schedule a walkthrough and see how you can put your spin on our space.

    Avg response time 1-2 hrs
  • featured

    The Melody of San Francisco

    906 Broadway, San Francisco, CA 94133, USA
    • Spaces for 100-350 Guests
    • 2 Event Spaces
    • 2 Historic Spaces
    • 1 Meeting Space

    The Melody is a historic church repurposed as a ready-to-use event venue suitable for receptions, weddings, meetings, conferences, performances, and gatherings. The venue features in-house audio and state-of-the-art lighting to instantly adapt the space to suit your event's theme. Our venue can accommodate 350 people standing, 150 people seated for meals, and 200 people in a theatre-style layout. We can provide chairs for up to 180 people. Additional furniture such as cocktail tables and rounds can be arranged for your event for a rental fee. Originally completed in 1880 then destroyed by the 1906 earthquake and fire. A reconstructed Our Lady of Guadalupe Church in the Mission Revival style was consecrated on April 14, 1912. The interior is decorated with frescos in Renaissance and Baroque style by Luigi Brusatori, an Italian master painter, which was completed in 1916. The Church also contains the largest unaltered 19th-century mechanical pipe organ in California. Declared a historic landmark, The Melody retains all of its original beauty while now hosting events ranging from large-scale corporate meetings and conferences, trade shows, product launches, auctions, screenings, performances, weddings, and private parties.

    $11,500 min
    Avg response time 2-4 hrs
  • featured

    Pier 27

    The Embarcadero, San Francisco, CA, USA
    • Spaces for 230-4,000 Guests
    • 1 Outdoor
    • 4 Event Spaces
    • 1 Meeting Space

    An extraordinary opportunity awaits you at the San Francisco waterfront—a collection of open and flexible spaces on the iconic Embarcadero, ready to be a canvas for your creativity. Whether large or intimate, a corporate conference or a holiday bash, your next occasion can be one people talk about for years to come. It starts this moment. Let your imagination loose and your ideas percolate. The venues of Metro Events can make your vision a reality. Sleek & Contemporary - Opened in 2014, Pier 27 is a fresh take on hosting events on the historic Embarcadero. Front and center are views of the Bay Bridge, the Financial District and Coit Tower, truly stunning through floor-to-ceiling windows. Industrial ceilings, large roll-up doors and materials of steel, concrete and glass give the raw, open space plenty of room for guests to mingle – and for your imagination to roam. Pier 27 offers almost 55,000 sq. ft. of flexible event space. Whether it is for a conference, a gala, a product launch or a wedding, Pier 27 is a great option. A rarity for this area of San Francisco, Pier 27 offers ample parking, as well as outdoor event spaces.

    Est. $180/guest
    $10,000 min
    Pricing Details Available
    Avg response time 2-4 hrs
  • featured

    25 Lusk

    25 Lusk St, San Francisco, CA 94107, USA
    • Spaces for 16-550 Guests
    • 6 Restaurants

    With room for up to 550 guests and a modern yet sophisticated architectural vibe, Twenty Five Lusk has the perfect template for your next event. Located in San Fransisco's SOMA district, the space at Twenty Five Lusk is architecturally awarded for creating a beautifully modern space while working in the original from the warehouse it once was. Twenty Five Lusk was named the #1 Best Designed Restaurant in America by Thrillist, which is an honor that speaks for itself when you step inside. Whether you are enjoying thee contemporary fine dining in the dining room at Twenty Five Lusk or enjoying a cocktail on the rooftop, every space is unique and interesting. Bring your ideas here and enjoy a perfectly executed night. Choose Twenty Five Lusk for your next special event celebration.

    $2,500 min
    Pricing Details Available
    Avg response time 6-12 hrs
  • featured

    Exploratorium

    Pier 15, The Embarcadero, San Francisco, CA 94111, USA
    • Spaces for 200-4,000 Guests
    • 5 Event Spaces

    Whether you’re planning an intimate COVID-compliant gathering, a virtual event, or seeking a location for filming without a live audience, the Exploratorium has great options for you. Our team of event professionals is here to brainstorm with you, navigate safety-minded options, and create memorable experiences for you and your guests. Located in the vibrant heart of the historic Embarcadero, the Exploratorium is an imaginative setting for just about any event, from intimate meetings to spectacular parties. You can have it all: Rent the entire Exploratorium facility and get spectacular waterfront views of San Francisco and the Bay, a lively landscape of hundreds of interactive exhibits, flexible event spaces, superb catering, and skilled staff. With our gallery bundle options, you can craft the perfect museum selection for your event. Whether you’re looking for a progressive celebration with distinct spaces for your cocktail reception, dinner, and dessert or planning an entertaining reception, we are happy to help you find the perfect fit.

  • Featured photo from The St. Regis San Francisco

    The St. Regis San Francisco

    St. Regis Museum Tower, 125 3rd St, San Francisco, CA 94103, USA
    • 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.

    Est. $431/guest
    $30,000 min
    Pricing Details Available
  • Featured photo from W San Francisco

    W San Francisco

    181 3rd St, San Francisco, CA 94103, USA
    • 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.

    $4,000 min
    Avg response time 2-4 hrs
  • Featured photo from InterContinental San Francisco

    InterContinental San Francisco

    888 Howard St, San Francisco, CA 94103, USA
    • 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.

    Est. $200/guest
    Pricing Details Available
    Avg response time 12-24 hrs
  • Featured photo from 111 Minna Gallery

    111 Minna Gallery

    111 Minna St, San Francisco, CA 94105, USA
    • 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.

    $3,500 min
  • Featured photo from Digital Jungle SF

    Digital Jungle SF

    972 Mission St, San Francisco, CA 94103, USA
    • 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.

    $800 min
    Pricing Details Available
    Avg response time 1-2 hrs
  • Featured photo from Julia Morgan Ballroom

    Julia Morgan Ballroom

    465 California St, San Francisco, CA 94104, USA
    • 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.

    Est. $472/guest
    $40,000 min
  • Featured photo from Aphotic

    Aphotic

    816 Folsom St, San Francisco, CA 94107, USA
    • 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.

    Est. $332/guest
    Pricing Details Available
    Avg response time 1-2 hrs
  • Featured photo from Alloy Collective

    Alloy Collective

    431 Tehama St, San Francisco, CA 94103, USA
    • 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.

    $7,500 min
    Avg response time 12-24 hrs
  • Featured photo from Chambers eat + drink

    Chambers eat + drink

    601 Eddy St, San Francisco, CA 94109, USA
    • 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.

    Pricing Details Available
    Avg response time 4-6 hrs
  • Featured photo from The Palace Theater

    The Palace Theater

    644 Broadway, San Francisco, CA 94133, USA
    • 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.

    Est. $182/guest
    $8,000 min