Underwater Scares Await at Mandalay Bay ‘Hallow Reef’

Shark Reef aquarium partners with Red Cross for Halloween

In the spirit of Jaws, Shark Night, Leviathan, and other underwater nightmares, Mandalay Bay’s Shark Reef aquarium is transforming into Hallow Reef for Halloween weekend. The family attraction will remake itself with spooky themes and trick or treating for the kids. Unfortunately, there will be no costumes on the fish, they won’t wear them.

Photo from Mandalay Bay’s Shark Reef Facebook

The aquarium will be open two extra hours – 10 a.m. to 8 p.m. – from October 29-31 and admission is just $5 for kids in costumes. Shark Reef has also partnered with the American Red Cross of Southern Nevada to host a blood drive at Mandalay Bay on Friday, Oct. 29 from 9 a.m. to 6 p.m. Blood drive participants will be entered to win a two-night stay at Mandalay Bay, plus complimentary admission to Shark Reef and the Undersea Explorer Virtual Reality Theater.

You can make an appointment to donate blood via the Red Cross website, and be sure to use the sponsor code SHARKREEF.


Hallow Reef at Mandalay Bay
Friday, October 29 – Sunday, October 31
10 a.m. to 8 p.m.

Blood Drive
Friday, October 29
9 a.m. to 6 p.m.
Mandalay Bay South Convention Center, Room Lagoon H
Mandalay Bay Resort & Casino
3950 Las Vegas Blvd. South

Inside Shark Reef

Shark Reef Aquarium features more than 2,000 animals, including sharks, giant rays, endangered green sea turtles, piranhas and a Komodo dragon, as well as the Undersea Explorer VR Theater.

Why Donating Makes a Difference

Someone in the U.S. needs blood every two seconds, according to the American Red Cross. When you give blood, you’re able to provide support to accident and burn victims, surgery patients and others. Here are some of the ways blood donations help*:

Cancer Patients

Ideal Donation Type
Platelets donation, because certain cancers and cancer treatments prevent patients from producing their own.

Ideal Blood Type
A positive, A negative, B positive, O positive, AB positive and AB negative

Trauma Patients

Ideal Donation Type
Power Red, because red cells carry oxygen throughout the body and are frequently given to trauma and surgery patients. AB Elite plasma donation, because AB plasma is needed to help stop bleeding. Call 1-800-RED CROSS to make an AB Elite appointment.

Ideal Blood Type
For Power Red: O positive, O negative, B negative, A negative
For AB Elite: AB positive, AB negative

Sickle Cell Patients

Ideal Donation Type
Whole blood or Power Red, especially from blood donors who are of African descent. Patients with sickle cell disease, who are predominantly Black, can require multiple blood transfusions every year. Donated blood must be very closely matched to the donor’s blood type to avoid transfusion-related complications. Since most patients with sickle cell disease are Black or African American, the most compatible blood type match is most often from a donor of the same race or ethnicity.

Ideal Blood Type
Type O

Burn Patients

Ideal Donation Type
AB Elite, because plasma helps maintain blood pressure and other vital functions.

Ideal Blood Type
AB positive, AB negative. Type AB, the universal plasma donor’s blood can be given to any patient needing plasma. Make an even greater impact for patients in need by giving an AB Elite plasma donation.

Patients with Chronic Diseases

Ideal Donation Type
A single whole blood donation can help more than one person.

Ideal Blood Type
All blood types are needed

*Information provided by The American Red Cross

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