Connect Marketplace is Where Events Business Gets Done.
Connect Marketplace isn't just any conference—it's your gateway to unlimited opportunity. Secure your spot!
130 Columbus Ave.
Boston, MA 02116
The Castle is a unique event venue in Boston's Back Bay. Originally an armory, this historic landmark offers 14,642 square feet. The expansive one-room venue is spacious and versatile, perfect for conferences, trade shows, receptions, and galas.
Memorable Moment
Allowing you to implement your wildest and most creative ideas in this truly malleable space, each event is a memorable moment.
Bash Buzz
A blank slate for design and branding, the venue features brick and wrought iron detail with soaring ceiling height.
National Historic Landmark

Venue Capacity

SpaceMax. Reception CapacityMax. Seated CapacitySq. FeetFloor Plan
Entire Space14,642 sq. ft.
Seated Dinner Style530530
Reception Style10001000
Tradeshow Style, with approximately (70) 10’x10’ booths10001000
Theatre Style, with stage12421242
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