If you’re looking for fun Halloween events in Brooklyn, you’re in for a treat, as well as a few tricks perhaps. Brooklyn is celebrating this Halloween with parades, costume contests, parties, haunted houses, and tricks and treats for members of the entire family.

A few of these Brooklyn Halloween events are a somewhat scary and spooky; many are simply light-hearted and whimsical Halloween celebrations. But, all of them aim to get young and old, humans and pet companions, out to enjoy the spirit of this fun-filled holiday.

Whether you’re searching for a pre-Halloween festival to kick off the holiday season, or an all-day Halloween event for October 31, we’ve got plenty of Halloween activities in Brooklyn that are sure to suit your party style.

Things to do on Halloween in Brooklyn for 2012…

New York Aquarium Halloween Celebration – October 15 and 16, 22 and 23, 29 and 30

On select weekends in October, the New York Aquarium turns into Ascarium, a “Seatastic” Halloween event that features a Haunted Sea-fari, Spooky Shipwreck, puppets, spooktacular stores, and Halloween themed performances.

Prospect Park Halloween Haunted Walk and Carnival – Saturday, October 27 (noon to 3pm)

This year’s Halloween Walk and Carnival in Prospect Park promises to be scarier than every. Keep a watch out for zombies, wolf men, headless horsemen, witches, and other creepy characters. Enjoy indoor Halloween activities, games, and Halloween treats. This event may frighten young children.

Brooklyn Botanic Gardens Annual Ghouls and Gourds Festival – Saturday, October 27 (noon to 6pm)

Come in costume to the Brooklyn Botanic Gardens Annual Ghouls and Gourds Festival. Kits under 12 enter for free and are treated to a puppet show, gourd orchestra, playtime on the grass, and dance sessions. Meet children’s book creators and visit a Victorian Toy Parlor.

Coney Island Halloween Parade Freak’s Night Out – Wednesday, October 31 (noon to 3pm)

Luna park transforms into a haunted “come if you dare” playground on Halloween, and this kid-friendly parade offers small children a chance to experience some not-as-scary Halloween fun. Luna Park will stay open until 10pm on October 31, after the parade, and will feature rides, haunted mazes, and a “freaks, wonders, and curiosity” spectacle on stage. Cobble Hill Halloween Parade – Wednesday, October 31 (4pm) Get yourself down to the Cobble Hill Halloween Parade and treat yourself to music from the Jah Pan Steel Drum Band. Cobble Hill Park, Clinton Street at Verandah Place.

DUMBO under the Manhattan – Wednesday, October 31 (1pm to 3pm)

This annual Halloween party is held at Archway Under the Manhattan Bridge. Look forward to a DJ, pumpkin painting, and games.

Owlshead Park Halloween Celebration in Bay Ridge – Wednesday, October 31 (1pm to 9pm)

This eight-hour Halloween marathon includes a haunted house, Fairytale Forest, games, food, and vendors. There is a $1 donation requested to enter. Owls head Park, at Colonial Road and 68th Street.

Halloween Pub Crawl Williamsburg – Wednesday, October 31 (5pm)

Once fall starts to settle in, residents of Williamsburg start looking forward to Halloween. This is Williamsburg’s most popular event of the year, and a great excuse to dress up and act in whatever character you wish. http://pubcrawls.com/events/halloween-pub-crawl-williamsburg.php

Bay Ridge Annual Harvest Festival at Narrows Botanical Gardens – Saturday, October 14 (noon to 5pm)

This annual October event offers an old-fashioned, New England feel to a popular holiday celebration. Come and enjoy a pumpkin patch, kids’ crafts, and square dancing. 7200 Shore Road, between 72nd and 74th Streets. (718) 748-4810.

Greenpoint Children’s Halloween Parade – Saturday, October 27 (2pm to 5pm)

The parade begins at 176 Java Street, and ends with an after party that lasts until 5pm.

Brooklyn Heights Halloween Parade – Sunday, October 30 (10am)

Once a year, the discreet community of Brooklyn Heights goes all out for Halloween. The parade takes place at Pierpont Playground, on Pierpont Street at Columbia Heights. This fundraising event is great for little ones, and features a bake sale.

Howl-o-Ween Doggie Costume Parade and Contest – Saturday, October 20 (2pm to 5pm)

Run by a local pet store, the Howl-o-Ween Doggie Costume Parade and Contest is an all-day event that ends with a party in DUMBO. 7200 Shore Road, between 72nd and 74th Streets. (718) 748-4800.

Williamsburg Witches Walk and Halloween Parade – Wednesday, October 31

Kids come in costume to this annual Halloween event that has children taking over the hipster neighborhood of Williamsburg. (718) 218-7775.

Great PUPkin Dog Costume Contest – Saturday, October 27

The Great PUPkin Dog Costume Contest is one of Brooklyn’s most popular Halloween parades. Hosted by the Ft. Greene Conservancy, the annual festival brings dog-lovers together for a bit of Halloween fun.

Creepy Crawly Halloween – Saturday, October 27th (1pm to 4pm)

Bring the kids to a critter fest in Prospect Park, and see worms, spiders, and other creepy critters. Audubon Center at the Boathouse, in Prospect Park.

Halloween at Lefferts House – Sunday, October 28th (2pm to 4pm)

Come and hear stories of the paste at 2pm and 3pm, at Lefferts Historic House. Master storyteller Tammy Hall makes stories come alive with “Domine’s Ride,” “The Legend of Pope’s Lane,” and more.

Halloween Amazing Brooklyn Race – Saturday, October 20 (1pm)

The annual costume “Amazing Brooklyn Race” takes place every Halloween. Part obstacle course, part scavenger hunt, this fun Brooklyn Halloween event leads you and your team around a Haunted Brooklyn, in search of pictures needed to complete the course. Central Park, Grand Army Plaza. (718) 965-8951.

Haunted Halloween Carnival – Saturday, October 27th (11am to 4pm)

This Halloween Carnival showcases the puppetry arts, with special appearances by the Staten Island Yankees and Star Wars characters. 1st Street Recreation Center, at 1st Street and 4th Avenue in Park Slope.

Spooky Spider webs at the Brooklyn Children’s Museum – Sunday, October 21

Wear your spider or Spiderman costume and come to the Brooklyn Children’s Museum to learn about the spider, one of nature’s strongest habitat designers. There is no costume require, but it’s more fun that way. Investigate the details of a spider’s web and learn the science behind Spiderman’s web slinging. 145 Brooklyn Avenue.

Park Slope Halloween Parade – Wesnesday, October 31

The Park Slope Halloween Parade is considered one of the largest Halloween parades in the country. Each year, merchants on Seventh and Fifth Avenues pass out treats to costumed children during the afternoon and into the evening. Two ambulances lead the parade, which rolls down Seventh Avenue from 14th Street.