San Francisco's Halloween is always a frightfully good time, with the city's nightclubs and music venues hosting hellish parties, bar crawls and concerts. We've rounded up the biggest San Francisco Halloween 2014 Events and Parties and one thing is for sure - this year, SF is going to get wild.

FRI 10/31

Spookfest spookfest

LIVE 105 Spookfest: Subsonic Halloween Massive 2014

@ Oracle Arena

Going into its 5th year, Live 105 Spookfest is returning to Oracle Arena in Oakland for a Subsonic Halloween massive, set to bring another amazing year of costumes, good vibes and amazing DJs. With big names like Alesso, Chromeo, Gareth Emery, Duke Dumont, Henry Fong and Slaptop on this year's lineup, Spookfest 2014 is guaranteed to be amazing.

5pm / $75 / 18+

THU 10/30 & FRI 10/31

The Dancing Dead

@ Ruby Skye

Ruby Skye is going all out this Halloween with two nights of madness featuring world-renowned DJs Heahunterz & Cash Cash. Expect over-the-top production with over $20,000 in props, insane custom visuals and so much more.

9pm - 3am / $25 - $55

FRI 10/31

Halloween Masquerade Ball

@ JW Marriott

Get ready for a truly swanky affair -- SF's Annual Halloween Masquerade Ball is back! Join in for a special night of seduction & elegance in the heart of Union Square. DJ Bruce Parker & DJ Pat Allen will be providing the music.

8pm - 2am / $25 - $220

FRI 10/31

Nights of the Killer Costumes

@ Infusion Lounge

Get ready for another Halloween celebration of epic proportions this year at Infusion Lounge. Take your weekend to the next level with monster sets from DJ OB One & platinum recording artist Felli Fell.

10pm - 2am / $20 - $75

FRI 10/31 & SAT 11/1

Ghost Ship VII: Asylum

@ Pier 70

Buckle the strait-jacket and charge up the electroshocks... you are about to be committed to the Asylum at Ghost Ship 2014. The Bay Area’s most beloved Halloween event is back year at the gargantuan Pier 70 for its 7th annual event. Stay tuned for lineup udates & more info.

9pm - 4am / $60

FRI 10/31

Freaker's Ball

@ Cocoanut Grove Ballroom

The 20th Annual Freaker's Ball is back, bigger and better than ever with three dance floors & a perfectly dark Halloween vibe.

8pm - 1am / $40

FRI 10/31

Creepshow at the Freakshow

@ Venue 550

A true Halloween experience with 3D projection mapping & holograms, live ariel performances and two levels of dirty electro and EDM club bangers.

9pm - 2am / $20 - $60

THU 10/30

Dracula's Wedding

@ Temple

Who says you can’t be chic and spooky at the same time? On Thursday, October 30, you are cordially invited to join us for Dracula's Wedding and step into the haunting splendor of medieval Temple.

8:30pm / $30 - $40

FRI 10/31

Halloween Ball: Cosplay Edition

@ Kabuki Hotel

Calling all fans of anime, video games, comic books and sci-fi -- Cosplay Halloween Ball is invading SF with 2 rooms of music, a cash prize costume contest and more!

7pm - 1am / $25 - $85

THU 10/30 - SUN 11/2

Mr. Nobody's Spookeasy

@ The Great Star Theater

Experience the vices and villainy that snuffed out Vaudeville! Share a cocktail with a tantalizing apparition! Drink it all in, and be intoxicated by the deadly charms of SPOOKEASY!

8pm - 1am / $49 - $99

FRI 10/31

Annual Halloween Party

@ The Starlight Room

Indulge your senses in absolute amazement by the Annual Halloween Party at The Starlight. Featuring spooky DJs (The Les, J Rock, Nitro, Dave Gillis), special performances and more.

8pm - 2am / $20 - $40

THU 10/30

Tycho + Com Truise

@ Fox Theater

Experience the lush sonic soundscapes of Norcal native Tycho as he brings his live three-piece band to Oakland with special guest Com Truise for a pre-Halloween show like no other.

8pm / $27.50

FRI 10/31

Night of the Living Bass

@ Mighty

Opel returns for it's 12th Annual Halloween Costume Supa Bash at Mighty for an all out top notch gathering of friendly freaks and music from Funkagenda, Sydney Blue and more!

9pm - 4am / $25 - $35

FRI 10/31 & SAT 11/1

Jack Yo Lantern

@ San Jose Events Center

Get ready for 2 massive days of dance music madness featuring Flosstradamus, New World Punx, Madeon & more big names at the first ever Jack Yo Lantern Halloween festival.

7pm / $80

SAT 10/25

Masquerotica: Carnaval Mystique

@ The Factory

SF's most risqué Halloween costume party is back with SF's most gifted underground artistic, creative, theatrical and sex-positive communities in an only-in-SF-stylin' celebration.

9pm - 4am

FRI 10/31

Mad Hatters Ball

@ 1015 Folsom

DJ Dials, an-ten-nae, & 1015 Folsom are back with the 5th annual Mad Hatters Ball featuring UK phenom, AlunaGeorge, alongside Bob Moses performing LIVE & so much more!

10pm - 5am

FRI 10/31

Trap City Halloween

@ F8

The Trap City squad is going all out for Halloween this year with two rooms of trap, twerk & bass music featuring the Regulators and Trap City DJs.

10pm - 3am

FRI 10/31

Skrillex Halloween

@ Craneway Pavilion

Skrillex has decided to add an extra stop to his already massive tour, and this one just happens to land on Halloween. Joining him will be Totally Enourmous Extinct Dinosaurs, Salva & Mija.

7pm / $50

FRI 10/31

LDL SF Halloween

@ Mezzanine

Get ready to jack your body at a massive Hallowen blowout with the Lights Down Lows SF crew, Eats Everything, Dusky and Benoit & Sergio!

9pm - 4am