HallowMarine

The Oklahoma Aquarium is excited to celebrate our 19th annual HallowMarine presented by BancFirst. This fantastic, week-long indoor trick-or-treating event is fun for all ages and kicks off on October 25 and continues through October 31.

Join us each evening from 6:30 - 9:00 p.m. for a one-of-a-kind trick-or-treat experience. Dress up in your best Halloween costume for a chance to win prizes! Explore the trick-or-treat trail to collect candy & visit all 10,000 of our amazing animals!

Indoor Trick-Or-Treat Trail

Each evening from 6:30 - 9:00 p.m. our guests trick-or-treat at sponsor tables on the trick-or-treat trail throughout the aquarium and see our fascinating marine life! Guests can meet all 10,000 of our amazing animals, from the cute to the creepy.

Oklahoma Aquarium Bounce House

Our aquatic-themed 20’ bounce house will welcome our young guests on our back deck!* Featuring a slide, an obstacle course & more, it’s free for guests.

*The bounce house will be inflated weather permitting

OKLAHOMA AQUARIUM Carousel

Our brand new custom aquatic-themed carousel will be open & ready for our guests to ride. We're excited for HallowMarine to be our first large event with this new attraction & we're sure you'll love it as much as we do. Cost is $3 for the 1st rider & $2 for each additional rider.

Costume Contest

Contestants can post a picture of themselves in costume at the aquarium and post it on Facebook or Instagram & use hashtag #HallowMarine2022 to enter. Judges will review all the entries on November 1 and pick their favorites from the week. Winners receive free admission to the aquarium and a HallowMarine 2022 tee.