Guests planning to take advantage of Dollar Days should be aware that crowds will be heavier than usual and the Aquarium is expected to sell out. Official capacity information will be listed here all weekend.VIEW EVENT DETAILSabout Dollar Days

Hallowmarine

Hallowmarine at the National Aquarium

Join the National Aquarium for its annual “Hallowmarine” celebration featuring spooktacular animal encounters, a costume parade, and more! Guests are invited to dress up in costume and can also enjoy learning about creepy-crawlies from National Aquarium experts!

As with years past, the National Aquarium divers will do underwater pumpkin carvings on Saturday in the Atlantic Coral Reef exhibit.

Go to full Calendar