Best Halloween Parties in San Diego 2025

San Diego takes Halloween to the next level. From haunted cruises and rooftop ragers to eerie costume contests and secret speakeasies, the city transforms into a thrilling playground for adults looking to celebrate spooky season in style. Whether you’re craving a night of dancing, themed cocktails, or a chill spot to unwind after the chaos, here’s your guide to the best Halloween parties in San Diego 2025—including a unique cannabis lounge experience you won’t want to miss at Sessions by the Bay.

🎃 Top Halloween Parties in San Diego 2025

1. San Diego Monster Bash – Gaslamp Quarter

The biggest outdoor Halloween party downtown takes over several city blocks with stages, DJs, bars, and an epic costume contest. Expect immersive experiences and thousands of creative costumes.

2. Haunted Hotel Disturbance – Mission Valley

Step into elaborate haunted houses featuring Hollywood-level set design and scare actors. It’s one of San Diego’s premier haunted attractions and perfect for thrill-seekers.

3. The Haunted Hornblower Yacht Party – San Diego Bay

Dance under the stars aboard a luxury yacht decked out for Halloween. DJs spin house, hip-hop, and EDM while the city skyline glows in the background.

4. Nightmare on Normal Street – Hillcrest

This LGBTQ+ inclusive street party features live entertainment, costume contests, drag shows, and a lively dance floor. One of the city’s most colorful Halloween events.

5. Bang Bang’s Haunted Disco – Gaslamp Quarter

Bang Bang’s intimate, neon-lit space transforms into a haunted disco. Expect deep beats, themed cocktails, and a playful crowd that goes all-in on costumes.

6. Sessions by the Bay – Elevated Halloween Chill Spot

After the costumes come off and the dance floors close, it’s time to relax—and Sessions by the Bay offers the perfect vibe for Halloween night. As San Diego’s premier cannabis lounge, this spot blends spooky season vibes with upscale comfort and premium cannabis products.

Why It’s a Must for Halloween 2025:

• Themed Decor & Music: Expect Halloween-inspired décor and curated playlists to keep the mood just right.

• Curated Cannabis Menu: From spooky strains to seasonal edibles, the weed bar has you covered.

• Infused Dining: Enjoy Halloween-themed small plates and mocktails at this unique cannabis restaurant.

• Low-Key Atmosphere: Perfect for decompressing after a night of partying. It’s a weed lounge where you can chill without the chaos.

Whether you’re winding down from a massive party or skipping the dance floor altogether, Sessions by the Bay is the ideal escape.

7. ALTITUDE Sky Lounge Halloween Bash – Gaslamp Quarter

High above downtown, this rooftop party offers stunning skyline views and killer DJ sets. Costumes encouraged for one of the chicest Halloween celebrations in the city.

8. Ghosts & Gravestones Tour – Old Town

Not a party, but a must for true Halloween fans. Take a haunted trolley tour through San Diego’s creepiest historic sites, including the famously haunted Whaley House.

9. Halloween at Music Box – Little Italy

Three floors of music, themed drinks, and immersive décor make Music Box one of the best venues for a Halloween night out.

10. Halloween Horror Cruise – Mission Bay

A floating dance party featuring DJs, costume contests, and hauntingly good views of the bay. It’s spooky fun on the water.

Final Puff

From haunted rooftops to yacht parties and epic costume contests, San Diego is the place to be for Halloween 2025. But when the clock strikes midnight (or when your feet give out), there’s nothing better than slipping into a chill space like Sessions by the Bay to keep the night going in a whole new way.

Searching for a cannabis lounge, weed bar, or cannabis restaurant to complete your Halloween adventures? Sessions by the Bay is your spooky season sanctuary.