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Halloween Costume Parties in Boston (2026)
These Boston parties put the costume front and center — several run contests on the night. Here are 8 worth knowing about.
1. (18+) The Biggest F**king Halloween College Party - presented by Boston Connect @Descent Night Club
Boston connect presents The Annual College Halloween Dance Party Costumes are recommended.
Thursday, October 29 · 33 Dunster St — See details & tickets →
2. OvO Presents: 90’s and 00’s Costume Party
Step back into the 90s & 00s for a night of throwback Hip-Hop, R&B, Reggae, Afrobeats, drinks, dancing, and nostalgia at Savvor Lounge.
Friday, October 23 · 180 Lincoln St — See details & tickets →
3. BACHATA BOO 👻 — Halloween Bachata Brunch Club
Boston’s biggest Latin Halloween brunch Bachata, disfraces, Latin vibes + $500 CASH PRIZE for the best couples costume!
Sunday, November 1 · 60 Seaport Blvd #325 — See details & tickets →
4. HALLOWEEN: THE BIGGEST COSTUME PARTY (THURSDAY)
Thursday, October 29, 71 Richmond St — come in costume, leave with a story.
Thursday, October 29 · 71 Richmond St — See details & tickets →
5. Halloween Costume Party
Going down Thursday, October 29 at 88 Summer St.
Thursday, October 29 · 88 Summer St — See details & tickets →
6. Rum & Whine: Halloween Costume Party
Rum & Whine returns for Halloween!
Friday, October 30 · 555 Talbot Ave — See details & tickets →
7. Chaotic Singles HALLOWEEN Party (Boston)
Halloween is THE singles holiday so we're going all out...
Friday, October 30 · 240 Tremont St — See details & tickets →
8. Chaotic Singles SAPPHIC HALLOWEEN Party (Boston)
Halloween is THE singles holiday so we're going all out...
Thursday, October 29 · 1250 Massachusetts Ave — See details & tickets →
Every Halloween event, one place
New Halloween events go live on Posh every day — Boston and every other city. The full, always-current lineup lives on the Halloween collection.
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