Des Moines Marriott Downtown offers over 33,000 square feet of versatile event space, making it a premier destination for gatherings of all sizes. Located just blocks from the convention center, our venues can accommodate up to 2,200 guests, whether you're planning a high-impact conference, an elegant gala, or a focused board meeting. Highlights include the expansive 14,000-square-foot Des Moines Exhibit Hall—home to the Hall of Cities Ballroom—the 9,300-square-foot Iowa Ballroom, and the 3,200-square-foot Windows on 7th, which overlooks vibrant 7th Street. With 16 breakout meeting rooms and business-friendly amenities like high-speed internet access, our spaces are designed to support productivity and inspire connection. From setup to send-off, our expert event staff is dedicated to bringing your vision to life with seamless service and attention to detail.
Tell us about your event, then we'll contact you and plan it together
Steps from the convention center, ideal for business and group events.
Des Moines Marriott Downtown offers a refined setting for small meetings and gatherings where connection and collaboration matter most. Ideal for board meetings, training sessions, and executive retreats, our flexible spaces are designed to support productivity while maintaining a comfortable, professional atmosphere. Thoughtful layouts, modern technology, and attentive service ensure every detail is handled with care, allowing your group to focus on meaningful outcomes.
For larger meetings and events, Des Moines Marriott Downtown delivers the space, experience, and scale to bring ambitious ideas to life. As the largest hotel in Iowa under one roof—offering the most expansive combination of guest rooms and meeting space in the state—the hotel is uniquely positioned to host conferences, galas, and multi‑day programs of all sizes. Expansive meeting facilities, direct access to convention‑level event capabilities, and seamless on‑site flow allow groups to gather, stay, and connect without compromise. Expert event planning support, customizable layouts, and streamlined logistics ensure a cohesive experience from arrival through the closing session.
Our culinary team takes pride in offering locally inspired catering that enhances every meeting and event. From energizing breaks and working lunches to elegant receptions and plated dinners, menus are thoughtfully crafted using quality ingredients and tailored to your event’s needs. Whether hosting on‑site or supporting events throughout the downtown area, Des Moines Marriott Downtown delivers catering that reflects both creativity and consistency.
Des Moines Marriott Downtown offers 16 versatile meeting rooms spread across three dedicated floors, providing a range of layouts and sizes to suit any event. Whether you're hosting a breakout session, board meeting, or large-scale presentation, our flexible spaces are designed to adapt to your needs with ease and style.
Whether it’s a fresh morning brew, a productive working lunch, a celebratory group dinner, or a round of late-night cocktails, our downtown Des Moines hotel serves up inspired options for every moment. With two on-property restaurants offering locally influenced menus and flexible catering services, we make it easy to satisfy every palate. Explore our dining page to discover Mash+MARROW and our Grab & Go market or click below to browse our banquet menus tailored for meetings, events, and everything in between.
Des Moines Marriott Downtown has 16 event rooms.
The largest capacity event room is the Des Moines Exhibit Hall & **Hall of Cities Ballroom (combined). It has a capacity of 2200.
Yes, Des Moines Marriott Downtown provides wedding services.
To book a meeting or event at Des Moines Marriott Downtown click here
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