Rockville, Maryland

Congressional
Aquarium

Our new website is almost ready. The store is open as always — come see us while the countdown runs.

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Launching Tuesday, November 10 · 1:00 PM Eastern

Visit us

138 Congressional Lane
Rockville, MD 20852
Lower level of Congressional Plaza

Hours

Open daily
12:00 PM – 7:00 PM

Get in touch(301) 881-6182
caquarium@aol.com

© 2026 Congressional Aquarium · More than 50 years of specialty aquatics