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About The St. Vrain

Welcome to The St. Vrain, a versatile multipurpose event space in the heart of Longmont. With two full floors and a charming outdoor courtyard, this venue is ideal for weddings (ceremonies and receptions), private parties, corporate gatherings, and other celebrations. The space features brick walls, chandeliers, and a picturesque courtyard, offering a sophisticated yet welcoming atmosphere. We’ve got you covered on logistics, from seating configurations to nearby hotels and dining options that help you plan a seamless event.

Address: 635 3rd Avenue, Longmont, CO 80501. Capacity: up to 250 guests standing; seated configurations typically accommodate around 60 guests depending on setup. Public seating charts aren’t published on the site, but you can rely on official capacity figures and our local placement guidance for planning.

Parking is available on-street or in nearby lots. The venue is accessible via Longmont’s local transit system, including Ride Free Longmont buses and the FLEX regional route. For longer trips, Bustang service via the I-25/CO-119 transit hub is available. When you’re planning accommodations, consider nearby hotels such as Hilton Garden Inn Longmont (470 S Martin St), Courtyard by Marriott Longmont, and the upcoming Hotel Longmont (508 3rd Ave, opening 2025/2026). We’ve highlighted affiliate-friendly hotel and restaurant partners to help secure convenient stays and trusted dining options for you and your guests. For a smooth day-of timeline, secure your seats and coordinate with our team for a stress-free setup that fits your event style.

Notable details: The St. Vrain shines for weddings, with ceremony and reception capabilities, corporate events, and private parties. Prioritize planning with our non-pushy, straightforward guidance to ensure you’ve got a dependable connection for venue coordination, vendor selection, and day-of logistics.

Good to know

Seating, Parking & Venue Information

  • Address: 635 3rd Avenue, Longmont, CO 80501.
  • Venue type: multipurpose event space with two full floors and an outdoor courtyard; used for weddings, private parties, and corporate events.
  • Capacity: up to 250 guests (ceremonies and receptions); seated capacity around 60 in some configurations per venue data.
  • Seating chart: public seating charts are not published on the site; official capacity figures come from venue pages and third-party listings (60 seated; 250 standing).
  • Parking/transit: parking available on-street or in nearby lots; serviced by Longmont local transit; nearby transit hub and on-demand options exist.
  • Transit options: Ride Free Longmont local buses; FLEX regional route; Bustang via I-25/CO-119 transit hub; see City of Longmont transit pages.
  • Nearby hotels: Hilton Garden Inn Longmont (470 S Martin St, ~1–2 miles away) and Hotel Longmont (508 3rd Ave, opening 2025/2026); Courtyard by Marriott Longmont also available nearby.
  • Notable events hosted: weddings (ceremonies and receptions), corporate events, and private parties; venue highlights include brick walls, chandeliers, and a courtyard.