Monster Masquerade Halloween Costume Party

Costumes, dark energy and nonstop music collide at The Copper Door for a Halloween night where the monsters come to party. Dress Up. Get Down. Unleash the Monster. On Saturday, October 31, Halloween takes over The Copper Door for Monster Masquerade—a night of wild costumes, haunting energy and nonstop movement on the dance floor. Descend beneath Santa Ana and enter a dark underground celebration where masked creatures, classic monsters and unexpected characters come together for one unforgettable Halloween night. K.NASTY controls the soundtrack with a high-energy set designed to keep the party moving deep into the night. Come dressed as something frightening, mysterious or completely outrageous. Bring your favorite people, leave the ordinary world behind and join the monsters beneath the city. WHAT TO EXPECT 🔥 High-energy music and nonstop dancing 🎶 Music by ELEKT 🌕 A dark underground Halloween atmosphere 💃 Late-night energy beneath Santa Ana 📸 Wild costumes and photo-ready looks 👻 Halloween attire strongly encouraged EVENT DETAILS 📅 Saturday, October 31 ⏰ 9 PM–2 AM 📍 The Copper Door — Santa Ana 🔞 Ages 21+ 🎟️ Buy your ticket now—admission will be $20+ at the door. VIP TABLE RESERVATIONS Take Halloween night to the next level with your own table. For VIP reservations, birthdays and group celebrations, call or text 714-696-1479. Gather your crew, descend into the underground and prepare for a night of masks, monsters and beautiful chaos. This Halloween, there’s nowhere left to hide.