On your art, get set, go.
Smash and Grab
What: Watch the mad dash to nab works from established artists, where participants stake their claims on pieces from the likes of Carlos Betancourt, Emmett Moore, Johannes VanDerBeek, Agustina Woodgate, and Typoe.
Why: Stick around for the after-party at South Street.
When: Sat., 6:30-9:30 p.m.
Where: Locust Projects, 3852 N. Miami Ave. (305-576-8570). General admission tickets ($50) at locustprojects.org.
What: Wynwood welcomes a new boutique packed with ecofriendly gifts, art, and global accessories.
Why: Laptop cases made from recycled rice bags, Doug & Gene Meyer scarves, original art, JadeTribe bags, coffee-table books, and more.
When: Mon.-Thurs., noon-8 p.m.; Fri. & Sat., noon-10 p.m.
Where: 2516 NW 2nd Ave., Wynwood (305-573-1480).
Nightmare on the Beach
What: DJ beats; treats from Rosa Mexicano, Thierry’s Catering, and Mmmm Cupcakes; and freaks partying in five themed rooms at the event designed by Live It Productions International, the team behind London’s Closing Ceremonies.
Why: You’re a caped crusader this Halloween. Proceeds benefit The Little Lighthouse Foundation.
When: Sat., 8 p.m.-2 a.m.
Where: The Bath Club, 5937 Collins Ave., Miami Beach (305-867-5938). Tickets ($100) at nightmareonthebeach.com.
Gables Bike Day
What: Ditch the car and pedal through the city, check out music from Nil Lara and Afro Kumbe, see what bike polo is all about, and learn safety tips on a bicycle built for you or two.
Why: With skate park demos and a roller derby, the free event is the wheel deal.
When: Sun., 10 a.m.-4 p.m.
Where: Downtown Coral Gables, Miracle Mile, at Ponce de Leon Blvd.
Midnight to Midnight Mega Animal Marathon Adoption
What: The Humane Society of Greater Miami joins with rescue groups across South Florida for a 24-hour adopt-a-thon with more than 800 pets looking for their forever homes.
Why: Sparky McBarkerson likes cuddles, dinner on the floor, and long walks on the beach.
When: Fri., 11:59 p.m.-Sat., 11:59 p.m.
Where: Tropical Park, 7900 SW 4oth St. (305-749-1825). For more information, email firstname.lastname@example.org. Admission and parking are free.
Beam Me Up
What: Get retro with a 1965 Space Age-themed costume party, where DJs Ess & Emm, Mister Drake, Lolo, The Kid, and Bonnie Beats spin tunes; TM Sisters provide an installation and live video mixing; and Stian Roenning snaps vignettes of landing on the moon.
Why: Score 10 percent off costume rentals at Stash Wardrobe and 15 percent off cuts, color, and makeup at Contesta Rock Hair.
When: Sat., 9 p.m.-3 a.m.
Where: Studio 743, 743 Washington Ave. Tickets at beammeup.ticketleap.com ($15) or at the door ($20).
Photo: Courtesy of Gallery Diet