Top South Lake Union Proposal Venues
159 results near South Lake Union, Seattle, WA
Find a Venue
Choosing your proposal venue will be one of the most important steps in the planning process. So much goes into finding the perfect venue in South Lake Union. 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 South Lake Union venue has never been easier.

Life On Mars
722 E Pike St, Seattle, WA 98122, USA- Spaces for 75-60 Guests
Life on Mars is a Plant-Based Bar located in the center of Capitol Hill at Pike & Harvard. We offer a full dinner and late-night menu, as well as brunch on the weekends. Enjoy your drinks and food inside next to our 6,000 vinyl record wall, or outside on our covered patio. Life on Mars is considered by many as the best date night bar in Seattle and is known for its incredible cocktail menu that offers both alcoholic and non-alcoholic beverages. The music is programmed by long time music aficionados John Richards of KEXP and Steven Severin co-owner of Neumos and architect of the re-imagining of Bumbershoot 2023 and during happy hour YOU select what you want to hear from the wall of vinyl It is within walking distance to several great music venues and convention center in the city. We reserve space from 10 - 100 people. The most common reservations for event is the vinyl room which holds 25-50 people. We are 21+ inside and outside and open Tuesday-Sunday.
Avg response time 6-12 hrs
Pacific Science Center
200 Sue Bird Ct N, Seattle, WA 98109, USAPacific Science Center is one of Seattle’s most iconic venues, nestled at the foot of the Space Needle. Designed by famed architect Minoru Yamasaki, its iconic white arches and modernist style create a striking backdrop for any gathering. With flexible indoor and outdoor spaces, the center can accommodate everything from intimate receptions and corporate events to large-scale galas and community festivals. Guests can explore immersive exhibits, marvel at science demonstrations, or enjoy private showings in the state-of-the-art IMAX theaters and planetarium. Outdoor plazas with reflecting pools and skyline views add a dramatic touch, while unique architectural details make every corner photogenic. PacSci is an independent, not-for-profit institution that serves more than 500,000 people in the Pacific Northwest and beyond each year. Look for its iconic arches at the foot of the Space Needle in the Seattle Center—and for innovative PacSci programming and digital resources at schools, libraries, community centers throughout Washington and beyond.

Kimpton Palladian
Palladian Hotel, 2000 2nd Ave, Seattle, WA 98121, USA- Spaces for 10-200 Guests
- 1 Restaurant
- 1 Bar
- 5 Total Spaces
Hip collaboration spaces with aesthetically minded accoutrements make the Kimpton Palladian Hotel the most innovative Seattle event venue. Specially designed for today’s artists, entrepreneurs, and tech pioneers, our spaces offer the creative comforts that collaboration requires. Whether you’re planning a laid-back party or a buttoned-down business meeting, we provide everything you need, from artisanal catering options to support staff for event planning assistance to room A/V equipment setup. Ready for an epic event? So are we.

Screwdriver Bar
2320 1st Ave, Seattle, WA 98121, USA- Spaces for 100-300 Guests
- 1 Bar
- 1 Museum
- 1 space at this venue
A historic basement rock n roll bar/event space in downtown Seattle. The space was previously a grunge-era recording studio/rehearsal space with tenants including Nirvana in the late 1980s / early 1990s. From 1991 on the space remained dormant until we opened in 2016 but the charm, mystique, and history remain.

Birch Road Clubhouses
1204 Minor Ave, Seattle, WA 98101, USA- Spaces for 65-150 Guests
- 1 Landmark
- 1 Outdoor
- 1 space at this venue
Historic Mansion + Carriage House surrounded by green space in charming First Hill neighborhood HISTORY The Mansion maintains the historic glamour and charm of the 1900s as originally one of Seattle’s founding families estate home. The splendor of the Stimson-Green Mansion derives from an assortment of vintage artifacts, fixtures, fireplaces and leaded windows. Home to the Washington Trust for Historic Preservation, no detail is overlooked. BEST USES The Mansion offers a fantastic backdrop for any event looking to add a touch of historic grandeur. From a casual birthday party to an intimate wedding celebration, the venue is flexible to meet your vision. Each booking is expected to bring their own food and beverage. Your rental includes everything you need such as warming trays, compostable plates and flatware, serving platters, ice, and more. You will work with our Events Coordinator to determine the best floor plan for your event. Tables and chairs are available in a variety of layouts that perfectly suite a cocktail party for 150 or a seating affair for up to 65 people. Other options can be provided at an additional cost, such as bartender, DJ, and parking garage. THE SPACE The main floor and main entrance welcomes guests with a Grand Foyer worthy of the family that built this home. To one end of the hall is the Library and a view of the largest fireplace of the property. All throughout is artwork and artifacts reflecting the early 20th century history of the building. The Library is home to both a large ornate fireplace and also a small mezzanine that is home to a baby grand piano. One wall is lined with books and another with large picture windows. Portraits of the Stimson & Green families give the room a regal atmosphere. The dining room also includes a fireplace and an ornate romanesque dining table that seats 20 (including 20 upholstered dining chairs), plenty of room for the grandest food buffet. More spaces available by request.

Thompson Seattle
110 Stewart St, Seattle, WA, USA- Spaces for 20-300 Guests
- 1 Restaurant
- 1 Outdoor
- 4 Total Spaces
Close to the waterfront and adjacent to the iconic Pike Place Market, your event guests will be thrilled to gather amid the energy and culture of our downtown Seattle location. With 5,000 square feet spanning six indoor and outdoor event venues and meeting spaces, we offer ideal settings for corporate events, weddings, receptions and private parties, with onsite catering overseen by Josh Henderson of Huxley Wallace Collective, one of the area’s favorite restaurateurs. Since Seattle’s first flying machine took to the skies over Puget Sound in 1908, the spirit of aviation has run deep through the area’s history—which is why you’ll find Thompson Seattle’s rooms, suites and event spaces subtly infused with textures, forms and materials inspired by flight. And, it’s why our second-floor meeting rooms are named for historic planes featured at Seattle’s world-renowned Museum of Flight. Blackbird, Dreamliner, Fly Baby and Grasshopper range from 500 to 1300 square feet and all feature dramatic floor-to-ceiling windows for an open, airy feel. Your event can also take flight at our premier rooftop lounge—a 1500 square-foot private event space with unmatched views of Pike Place Market and Puget Sound. For corporate events, weddings, receptions and private parties, our team will create a unique experience for your guests, overseen by Chef Josh Henderson of Huxley Wallace Collective, one of the area’s favorite restaurateurs

REBL 1 Studios
55 Bell St, Seattle, WA 98121, USA- Spaces for 300-400 Guests
REBL1 Studios- Discover the ultimate multi-functional event space designed to inspire creativity and cater to a wide range of activities. Our venue offers a unique blend of facilities, making it the perfect destination for artists, entrepreneurs, gamers, content streamers, culinary enthusiasts, or for any celebration! Music Studio, Gallery, Retail Area, Production Area, Commercial Kitchen, Podcast/Meeting Area
Avg response time 1-2 hrs
World Trade Center Seattle
2200 Alaskan Way #410, Seattle, WA 98121, USA- Spaces for 200-300 Guests
- 1 Event Space
World Trade Center Seattle is an innovative alliance that brings together the Port of Seattle, the international trade community, top regional and worldwide enterprises, and an outstanding variety of non-profit organizations to create a single destination for international business. Seattle's World Trade Center Building, which is directly across the street from Pier 66 and the Bell Harbor International Conference Center, serves as the headquarters for WTCSE. Providing a focal point for regional business leaders to network and interact with others who have similar goals, the WTCSE serves as a gateway for commerce, trade, and opportunity in the region. It hosts both private and public events, ranging from educational presentations to business seminars to social gatherings, in a space that was architecturally designed to complement its surrounding environment while highlighting its magnificent views. The WTCSE hosts both private and public events, ranging from educational presentations to business seminars to social gatherings. It is common for members to use the Alaska Airlines Member Lounge as a drop-in location where they may work on their own or meet with other members. A delectable Northwest-inspired lunch is offered everyday in the Holland America Line Room, giving members the chance to mingle with one another and their clients while enjoying excellent Northwest food. WTCSE also offers its facilities accessible to both WTCSE members and the general public for a variety of private events, including business meetings, receptions, banquets, and other social gatherings. It also sticks out among the many popular wedding locations in Seattle. Members and non-members alike can organize a variety of private events at the World Trade Center Seattle, which offers a variety of ideal locations for any occasion. All of the World Trade Center Seattle (WTCSE) event spaces, which are located atop the World Trade Center Building on Seattle's waterfront, may be used separately or in combination to hold a wide range of events for small, medium, and large groups. It is also a popular wedding site in Washington, with many couples choosing it as their wedding destination.

Bell Harbor International Conference Center
2209 Alaskan Way, Seattle, WA 98121, USA- Spaces for 300 Guests

W Seattle
1112 4th Ave, Seattle, WA 98101, USA- Spaces for 300 Guests
Own your “I do” moment with a glam hotel wedding reception at W Seattle, just steps away from the downtown Seattle's vibrant culture and nightlife. Your guests live it up in the fresh energy our wedding specialists create as we design an event that exceeds your expectations. Take advantage of our custom wedding packages and special room block offers. Then, when you're ready, connect with our wedding team, and let us know what we can do to make your day amazing.

The Ruins
Queen Anne Ave N, Seattle, WA, USAIndulge in the perfect combination of historic Seattle and European style - with a venue that transports you and your guests to another time and place. The Ruins has been called "Seattle's best kept secret,” and we are happy to share it with you! Filled with abundant charm, the hand painted murals and crafted artisanship is bound to provide the wow factor you are looking for.

Sea View Catering at Seattle Aquarium
1483 Alaskan Wy, Seattle, WA 98101, USA- Spaces for 100-300 Guests
- 2 Landmarks
- 1 Event Space
- 2 Total Spaces
Sea View Catering offers exceptional culinary experiences in the heart of Seattle, specializing in events hosted at the iconic Seattle Aquarium. Our team combines innovative cuisine, locally sourced ingredients, and eco-friendly practices to create memorable corporate events, weddings, holiday parties, and more. With a commitment to sustainability and partnerships with local farmers and suppliers, Sea View Catering delivers fresh, high-quality dishes tailored to your unique event. From customizable menus to professional service in a stunning waterfront setting, we ensure every detail is perfect. Book your event today and elevate your celebration with Sea View Catering’s unparalleled expertise and charm.
Avg response time 12-24 hrs
Labour Temple
Seattle, WA, USAWHETHER YOU NEED A SPACE FOR AN INTIMATE COCKTAIL PARTY OR A LARGER COMPANY GATHERING, LABOUR TEMPLE HAS BOUTIQUE EVENT SPACES FOR EVERYTHING FROM PRIVATE CELEBRATIONS TO MULTIPLE-DAY WORKSHOPS. CONTACT US TODAY TO EXPLORE THE FLEXIBILITY OF OUR THOUGHTFULLY DESIGNED SPACES WITH INDOOR and OUTDOOR ACCESS. Located in the heart of the Belltown neighborhood on the northern edge of downtown Seattle.

Seattle Aquarium
1483 Alaskan Way, Seattle, WA 98101, USA- Spaces for 300 Guests
The Seattle Aquarium is one of the most unique, full-service facilities in the Seattle area and a wonderful waterfront treasure. With the grandeur of the 20’ by 40’ Window on Washington Waters as your backdrop and a tantalizing dining experience to complement your surroundings, your evening at the Seattle Aquarium will fulfill your vision of the perfect special event. Party with the stars! Sea stars, that is. The Seattle Aquarium offers a magical venue that holds up to 800 people for any occasion, from weddings to corporate functions. Located on Pier 59 at the edge of Puget Sound's Elliott Bay, the Aquarium will offer your guests a chance to enjoy some of the most extraordinary spaces in Seattle. Entertain in the Ackerley Foundation Puget Sound Hall with the luminous Window on Washington Waters, complete with hundreds of fish—your personal interactive party decorations! Want your event to reflect your creative style? The Seattle Aquarium is prepared to meet your needs with sophisticated service and knowledgeable staff. Allow our on-site culinary and event planning experts to create an event that is entirely yours. Unique dining themes, uncompromising quality and outstanding service are the hallmarks of our success.

Crafted Taste
Seattle, WA, USA- Spaces for 60 Guests
Host a unique corporate event in our private Speakeasy for Team Building. Client Appreciation or Company Celebrations. Easy location near Pike Place and a perfect to bring together local or visiting teams to engage in a casual, cool environment. Make the event Extra Special with our Cocktail Service: We provide the ingredients, tools and recipes so your party guests can shake up their own cocktails like a pro! Have a special party theme? Make a custom cocktail for your group! Catering, Event Planning and other assistance available.
Avg response time 1-2 hrs
First & Bell
Seattle, WA, USAThe ideal location for your upcoming social or business gathering, whether it be in the city or the suburbs! This one-of-a-kind venue has ceilings that are at least 20 feet high, dripping chandeliers, exposed brick and timbers, wrought iron railings, and a rooftop patio. The indoor and outdoor space totals nearly 9,000 square feet and has recently undergone renovation. It is the perfect setting for a wide variety of events, including weddings, holiday parties, off-site corporate events, workshops for building teams, product launches, fundraising events, networking affairs, private parties, and photo and film shoots, among other things! Our highly adaptable layout, which features three separate areas, gives us the ability to host gatherings of up to 500 people cocktail-style or 120 people seated for dinner. About Our Event Spaces The Great Room and Mezzanine, the Side Room, the Green Room, and our ever-popular Rooftop Deck are the four unique areas that are available for your event at First & Bell, which has more than 9,000 square feet of combined indoor and outdoor space. View additional information, such as floor plans and photos, on the pages devoted to each venue in order to make an informed decision about which venue would be ideal for your upcoming event. Have a look at the list of amenities that come with our home, and feel free to get in touch with us at hello@firstandbell.com if you have any questions!

Dockside At Dukes
Seattle, WA, USADockside at Duke's was created to be a pristine and open area that draws attention to the breathtaking panorama of Lake Union; it is the ideal blank canvas for your upcoming event. You have no idea where to begin, do you? Based on the particulars of your gathering, members of our staff will collaborate with you to design a unique floor plan and offer advice regarding which kinds of configurations and traffic patterns work best in our venue. Dockside at Duke's has 3,500 square feet of indoor event space with a distinct, modern Pacific Northwest vibe. Our floor to ceiling windows face west, so you and your guests will have the picture-perfect view over the waters. Dockside at Duke's will open in August 2019. Believe us when we say that the experience of watching the sun set over Lake Union from our venue is truly unforgettable. We also have an additional outdoor patio space that is 2,000 square feet in size and is ideal for wedding ceremonies, summer picnics, dining al fresco, and many other types of events; this is a feature that very few other venues in the area are able to provide. Your guests will be enchanted if you provide a large space in which they can enjoy your event both inside and outside.

Fremont Foundry
Seattle, WA, USA- Spaces for 225-850 Guests
The Fremont Foundry is the perfect venue for your sophisticated, urban, industrial wedding. What could be better than getting married on the rooftop of a historic former artist commune in the heart of Seattle's charming Fremont neighborhood? Host your event in a sky-lit atrium with a 20-ft ceiling while drinks are being prepared in the outdoor courtyard, or share your vows on the rooftop terrace with sweeping views of North Seattle and enjoy a delicious dinner and lively reception in our historic space. The Fremont Foundry has hosted lavish fundraisers, weddings big and small, product launches, runway shows, dance parties, concerts, and countless other event types. Take a look at our gallery and find your inspiration!
Avg response time 4-6 hrsBlue Ribbon Culinary Center
2501 Fairview Ave E, Seattle, WA 98102, USA- Spaces for 200 Guests
Blue Ribbon’s remarkable team is lead by husband and wife duo Adam & Vanessa Smith. Vanessa was raised in Blue Ribbon’s kitchen and quickly realized she shared her mother’s passion for culinary focused events. In 2008 Vanessa took over management of the cooking school from her family (Virginia & Mike Duppenthaler) and built out the full-service catering and event design side of the company. Vanessa has been recognized for her savvy business skills, dedication to community involvement and the success of her business by winning the Nellie Cashman Women Owned Business of the Year Award and being named on PSBJ’s 40 under 40 list. Adam was raised in the orcharding industry and brings a deeply ingrained hard work ethic and strive for perfection. Adam found his way to the kitchen while in art school and instantly knew this is where he would spend his career. Adam appreciates the endless opportunity he finds in the kitchen to use his artistic eye while working with beautiful northwest ingredients. He is always developing new skills and techniques and appreciates the instant connection found when culinary professionals chat about food. Adam runs the kitchen team with artistry, modern culinary techniques, and has a sweet spot for classic comfort flavors. Adam & Vanessa strive to bring communities, teams and families back to the dining table to collaborate, nourish and celebrate life.

Lotte Hotel Seattle
809 5th Ave, Seattle, WA 98104, USA- Spaces for 10-975 Guests
- 3 Restaurants
- 6 Hotels
- 16 Total Spaces
Discover the allure of the Emerald City's most charismatic and dynamic setting; offering the grandeur of the past, coupled with contemporary luxury and style. The hotel’s diverse and adaptable spaces provide the perfect setting for any event. Our 22,000 square feet of venue space offers unlimited possibilities. Look no further than the Lotte Hotel Seattle. The Sanctuary Grand Ballroom Create a timeless experience with The Sanctuary’s stunning beaux-style architecture. As America’s first United Methodist Church, it is completed with original organ piping and stunning stained-glass windows. An architectural gem featuring a blend of modern design elements, The Sanctuary is ideal for corporate events, meetings, weddings, anniversaries, celebrations and more. The Sanctuary’s generous amenities and striking interior have earned its place as one of the most unique venues in the Pacific Northwest. Gallery Ballroom This modern Ballroom features large artwork by a world-renowned French architect, leaning against the ballroom walls gallery-style. This space can be modified to create 2 separate rooms with an airwall. Utilize this space for various purposes and is specialized for high-level conferences and luxury events. 4th & 5th Floor Meeting Rooms Lotte Hotel Seattle’s small to medium-sized meeting rooms are suitable for board meetings, seminars, banquets, and various events. Many of the rooms can be connected to the neighboring rooms via airwall, for additional space and event options. Charlotte Restaurant & Bar Dine at Charlotte Restaurant & Lounge located on the 16th floor of Lotte Hotel Seattle, while enjoying views of local Washington State Ferries and other marine activity glide across Elliott Bay. Experience dining at a hotel restaurant that captivates both your eyes and palate with a range of contemporary dishes prepared using fresh ingredients. 16th Floor Private Dining Rooms Enjoy three exclusive private dining venues that boast panoramic views of Elliott Bay and downtown Seattle. Perfect for Board meetings, micro weddings, rehearsal dinners or post-reception brunches.
Avg response time 2-4 hrs