This Halloween, COSTA takes over The Grand for Nightmare on Seaport Blvd! 🎃
Step inside Boston’s flagship nightlife destination for an unhinged night of Halloween chaos. We’re transforming the city’s premier Vegas-style nightclub into a high-octane haunted sanctuary high above Seaport Boulevard.
Expect a packed house, world-class production, immersive visuals, and a relentless soundtrack dropped by COSTA—bringing you peak Halloween night energy from the moment doors open until 2:00 AM.
One night. One nightmare. Halloween at The Grand. Costumes are highly encouraged—bring your absolute best look and prepare for the biggest 21+ party in the Seaport. 👻
🎧 THE SOUNDTRACK & EXPERIENCE
Sounds By: COSTA (High-Energy Open-Format, Massive House Anthems & Club Bangers)
Venue Setup: State-of-the-Art Sound, Floor-to-Ceiling LED Visual Walls & Full Halloween Transformation
Vibe: High-Octane Nightlife, Costumes, VIP Bottle Service & Unmatched Halloween Energy
📍 LOCATION & EVENT INFO
Venue: The Grand Boston (Seaport District)
Address: 58 Seaport Blvd #300, Boston, MA 02210
Date: Saturday, October 31, 2026
Doors: 10:00 PM – 2:00 AM
Age Requirement: 🔞 Strict 21+ Event (Valid physical ID or Passport required)
Dress Code: Halloween Costumes highly encouraged!
🎟️ Official Ticketmaster Tickets: https://www.ticketmaster.com/event/0100653D97C66F1C?did=ap1
Event venue
The Grand Boston, 58 Seaport Blvd #300, Boston, MA 02210, United States
Concerts, fests, parties, meetups — all the happenings, one place.