River Monsters: A Family Halloween Program is a trick-or-treat event at Aquatic Resources Education Center in Washington, DC, on Friday, October 30 from 10 AM to 12 PM. That's the night before Halloween, and it is listed as free to attend. Costumes are part of the fun. It is listed as family-friendly. Within three days of it, 6 more Halloween events happen around Washington.
Date & Time
Friday, October 30 · 10 AM – 12 PM
UTC-04:00
Location
Aquatic Resources Education Center | Washington, DC
TicketsUSD 0.00
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Know before you go
When
Friday, October 30, 2026, 10 AM to 12 PM (the night before Halloween)
Where
Aquatic Resources Education Center, 1900 Anacostia Drive, Washington, United States
Tickets
Free
Length
About 2 hours
Ages
Family-friendly
Type
Trick-or-Treat Event
Dress code
Costumes encouraged
Details
Join us for a spooktacular Halloween program! About this Event
DOEE's Aquatic Resources Education Center (AREC) host's a spooky afternoon of fun and activities. Enjoy a haunted aquarium tour, Halloween craft and costume contest. Participants must be accompanied by a parent or guardian.Costumes encouraged!
Event Location
Aquatic Resources Education Center, 1900 Anacostia Drive, Washington, United States
